{"id":13224,"date":"2024-09-11T11:34:49","date_gmt":"2024-09-11T11:34:49","guid":{"rendered":"https:\/\/dgzx.hk?p=13224"},"modified":"2024-09-11T11:34:49","modified_gmt":"2024-09-11T11:34:49","slug":"imx686-64mp-cmos-camera-image-sensor","status":"publish","type":"post","link":"https:\/\/dgzx.hk\/vi\/cam-bien-hinh-anh-camera-cmos-imx686-64mp\/","title":{"rendered":"C\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh IMX686 6 4MP CMOS Active Pixel Stacked Camera"},"content":{"rendered":"

C\u00e1c IMX686<\/span> l\u00e0 c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh x\u1ebfp ch\u1ed3ng CMOS 6 4 megapixel ho\u1ea1t \u0111\u1ed9ng v\u1edbi k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1eddng ch\u00e9o l\u00e0 9,251 mm (lo\u1ea1i 1\/1,73) v\u00e0 m\u1ed9t m\u1ea3ng pixel vu\u00f4ng. N\u00f3 s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh CMOS x\u1ebfp ch\u1ed3ng chi\u1ebfu s\u00e1ng ng\u01b0\u1ee3c c\u1ee7a Sony \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ch\u1ee5p \u1ea3nh t\u1ed1c \u0111\u1ed9 cao th\u00f4ng qua c\u00e1c m\u1ea1ch chuy\u1ec3n \u0111\u1ed5i A\/D song song c\u1ed9t v\u00e0 h\u00ecnh \u1ea3nh c\u00f3 \u0111\u1ed9 nh\u1ea1y cao v\u00e0 \u0111\u1ed9 nhi\u1ec5u th\u1ea5p (so v\u1edbi c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh CMOS th\u00f4ng th\u01b0\u1eddng) th\u00f4ng qua c\u1ea5u tr\u00fac pixel h\u00ecnh \u1ea3nh chi\u1ebfu s\u00e1ng ng\u01b0\u1ee3c. S\u1eed d\u1ee5ng c\u00e1c b\u1ed9 l\u1ecdc kh\u1ea3m m\u00e0u ch\u00ednh s\u1eafc t\u1ed1 R, G v\u00e0 B. N\u00f3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi b\u1ed1n \u0111i\u1ec7n \u00e1p cung c\u1ea5p \u0111i\u1ec7n: giao di\u1ec7n \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra t\u01b0\u01a1ng t\u1ef1 2,9 V v\u00e0 1,8 V, giao di\u1ec7n \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra k\u1ef9 thu\u1eadt s\u1ed1 1,1 V v\u00e0 1,8 V, \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p.<\/span><\/p>\n

Ch\u1ee9c n\u0103ng v\u00e0 t\u00ednh n\u0103ng:<\/span><\/span><\/strong><\/p>\n

C\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh CMOS x\u1ebfp ch\u1ed3ng chi\u1ebfu s\u00e1ng ng\u01b0\u1ee3c<\/span><\/p>\n

S\u1eafp x\u1ebfp b\u1ed9 l\u1ecdc m\u00e0u theo m\u00e3 h\u00f3a Quad Bayer (QBC)<\/span><\/p>\n

T\u1ef1 \u0111\u1ed9ng l\u1ea5y n\u00e9t theo pha (PDAF)<\/span><\/p>\n

T\u1ed1c \u0111\u1ed9 khung h\u00ecnh cao<\/span><\/p>\n

30fps@\u0111\u1ed9 ph\u00e2n gi\u1ea3i \u0111\u1ea7y \u0111\u1ee7 (QBC re-mosaic)<\/span><\/p>\n

30fps@QBC-HDR<\/span><\/p>\n

30fps@V2H2 QBC-HDR<\/span><\/p>\n

120fps@2\u00d72 pixel li\u1ec1n k\u1ec1 (16:9)<\/span><\/p>\n

240fps@2\u00d72 pixel li\u1ec1n k\u1ec1 Binning V2H2 (16:9)<\/span><\/p>\n

T\u1ef7 l\u1ec7 t\u00edn hi\u1ec7u tr\u00ean nhi\u1ec5u (SNR) cao<\/span><\/p>\n

Ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng b\u1ed9 c\u1ea3m bi\u1ebfn k\u00e9p<\/span><\/p>\n

T\u00edch h\u1ee3p ch\u1ee9c n\u0103ng hi\u1ec7u ch\u1ec9nh \u0111i\u1ec3m \u1ea3nh l\u1ed7i \u0111\u1ed9ng 2D (DPC)<\/span><\/p>\n

Hi\u1ec7u ch\u1ec9nh b\u00f3ng \u1ed1ng k\u00ednh (LSC)<\/span><\/p>\n

C\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u00edch h\u1ee3p<\/span><\/p>\n

\u0110\u1ecbnh d\u1ea1ng video \u0111\u1ea7u ra l\u00e0 RAW10, RAW8, RAW14 (QBC HDR, kh\u00f4ng c\u00f3 \u00e1nh x\u1ea1 t\u00f4ng m\u00e0u c\u1ee5c b\u1ed9)<\/span><\/p>\n

Ch\u1ee9c n\u0103ng kh\u1ea3m l\u1ea1i QBC<\/span><\/p>\n

Ch\u1ebf \u0111\u1ed9 si\u00eau \u0111\u00eam<\/span><\/p>\n

Ch\u1ee9c n\u0103ng QBC HDR<\/span><\/p>\n

Hai PLL \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111\u1ed9c l\u1eadp cho giao di\u1ec7n \u0111i\u1ec1u khi\u1ec3n pixel v\u00e0 \u0111\u1ea7u ra d\u1eef li\u1ec7u<\/span><\/p>\n

\u25c6\u0110\u1ea7u ra d\u1eef li\u1ec7u n\u1ed1i ti\u1ebfp CSI-2<\/span><\/p>\n

MIPI D-PHY 2 l\u00e0n\/4 l\u00e0n, T\u1ed1i \u0111a 2,5Gbps\/l\u00e0n, tu\u00e2n th\u1ee7 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt D-PHY ver. 1.2<\/span><\/p>\n

MIPI C-PHY 1\/2\/3 ba l\u00e0n, T\u1ed1i \u0111a 4,5Gsps\/ba l\u00e0n, tu\u00e2n th\u1ee7 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt C-PHY phi\u00ean b\u1ea3n 1.2. Tu\u00e2n th\u1ee7 phi\u00ean b\u1ea3n 1.2<\/span><\/p>\n

\u25c6 Giao ti\u1ebfp n\u1ed1i ti\u1ebfp hai d\u00e2y (h\u1ed7 tr\u1ee3 I<\/span><\/p>\n

2C "Ch\u1ebf \u0111\u1ed9 nhanh", "Ch\u1ebf \u0111\u1ed9 nhanh Plus" v\u00e0 I3C)<\/span><\/p>\n

Cung c\u1ea5p ROM OTP 5K-bit cho ng\u01b0\u1eddi d\u00f9ng<\/span><\/p>\n

C\u1ea5u tr\u00fac thi\u1ebft b\u1ecb:<\/span><\/strong><\/p>\n

\u25c6C\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh CMOS<\/span><\/p>\n

K\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh: \u0111\u01b0\u1eddng ch\u00e9o 9.251 mm (lo\u1ea1i 1\/1.73)<\/span><\/p>\n

S\u1ed1 l\u01b0\u1ee3ng \u0111i\u1ec3m \u1ea3nh hi\u1ec7u d\u1ee5ng: 9344 (H) * 7024 (V) kho\u1ea3ng 65,6 tri\u1ec7u \u0111i\u1ec3m \u1ea3nh<\/span><\/p>\n

S\u1ed1 l\u01b0\u1ee3ng \u0111i\u1ec3m \u1ea3nh hi\u1ec7u d\u1ee5ng: 9248 (H) * 6944 (V) kho\u1ea3ng 64,2 tri\u1ec7u \u0111i\u1ec3m \u1ea3nh<\/span><\/p>\n

K\u00edch th\u01b0\u1edbc chip: 8.638 mm (Cao) * 6.460 mm (R\u1ed9ng)<\/span><\/p>\n

K\u00edch th\u01b0\u1edbc t\u1ebf b\u00e0o: 0,80 \u03bcm (H) * 0,80 \u03bcm (V)<\/span><\/p>\n

V\u1eadt li\u1ec7u n\u1ec1n: Silicon<\/span><\/p>\n

M\u00f4-\u0111un camera IMX686 t\u00f9y ch\u1ec9nh c\u1ee7a Dogoozx:<\/span><\/span><\/strong><\/p>\n

\"IMX686<\/a><\/p>\n

Dogoozx imx458 imx662 imx675 IMX586 imx686 4k8k 48MP 64MP mipi M\u00f4-\u0111un m\u00e1y \u1ea3nh cho Sony<\/span><\/a><\/h2>\n

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C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh camera IMX686:<\/span><\/span><\/strong><\/p>\n


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C\u00e2u h\u1ecfi 1: C\u00e1c th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n c\u1ee7a c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh IMX686 l\u00e0 g\u00ec?<\/span><\/strong><\/p>\n

A1: IMX686 l\u00e0 c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh hi\u1ec7u su\u1ea5t cao \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ea3m bi\u1ebfn l\u1edbn. L\u1ea5y Redmi K30 Pro l\u00e0m v\u00ed d\u1ee5, c\u1ea3m bi\u1ebfn IMX686 \u0111\u01b0\u1ee3c trang b\u1ecb camera ch\u00ednh ph\u00eda sau c\u00f3 k\u00edch th\u01b0\u1edbc 1\/1,73 inch v\u00e0 c\u00f3 64 tri\u1ec7u pixel. C\u00e1c th\u00f4ng s\u1ed1 n\u00e0y cho ph\u00e9p IMX686 ch\u1ee5p \u0111\u01b0\u1ee3c nhi\u1ec1u chi ti\u1ebft h\u01a1n v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh.<\/span><\/p>\n

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C\u00e2u h\u1ecfi 2: C\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh IMX686 c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p n\u00e0o trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng?<\/span><\/strong><\/p>\n

A2: C\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh IMX686 c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i nhi\u1ec1u v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, bao g\u1ed3m nh\u01b0ng kh\u00f4ng gi\u1edbi h\u1ea1n \u1edf:<\/span><\/p>\n

Hi\u1ec7n t\u01b0\u1ee3ng "\u0111i\u1ec3m \u1ea3nh n\u00f3ng" do qu\u00e1 nhi\u1ec7t: Sau khi l\u00e0m vi\u1ec7c trong m\u1ed9t kho\u1ea3ng th\u1eddi gian, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a c\u1ea3m bi\u1ebfn t\u0103ng l\u00ean, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u0103ng k\u00edch th\u00edch n\u1ed9i t\u1ea1i c\u1ee7a v\u1eadt li\u1ec7u b\u00e1n d\u1eabn, gi\u1ea3m t\u1ef7 l\u1ec7 t\u00edn hi\u1ec7u tr\u00ean nhi\u1ec5u (S\/N), t\u0103ng nhi\u1ec5u v\u00e0 h\u00ecnh th\u00e0nh "\u0111i\u1ec3m \u1ea3nh n\u00f3ng". \u0110i\u1ec1u n\u00e0y l\u00e0 do chip qu\u00e1 nhi\u1ec7t, c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm l\u1ea1i b\u1eb1ng x\u1eed l\u00fd ph\u1ea7n m\u1ec1m ho\u1eb7c ph\u1ea7n ph\u1ee5 tr\u1ee3, nh\u01b0ng kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n.<\/span><\/p>\n

S\u1ef1 c\u1ed1 \u0111i\u1ec7n \u00e1p t\u01b0\u01a1ng t\u1ef1: \u0110i\u1ec7n \u00e1p t\u01b0\u01a1ng t\u1ef1 th\u1ea5p ho\u1eb7c kh\u00f4ng \u1ed5n \u0111\u1ecbnh c\u00f3 th\u1ec3 khi\u1ebfn c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng b\u00ecnh th\u01b0\u1eddng, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1ea7n \u00e1nh s\u00e1ng m\u1ea1nh h\u01a1n \u0111\u1ec3 c\u1ea3m nh\u1eadn h\u00ecnh \u1ea3nh ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng \u00e1m m\u00e0u, s\u1ecdc, v.v.<\/span><\/p>\n

H\u01b0 h\u1ecfng c\u01a1 h\u1ecdc: L\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ch\u00ednh x\u00e1c, c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh IMX686 c\u00f3 th\u1ec3 b\u1ecb h\u01b0 h\u1ecfng do va ch\u1ea1m ho\u1eb7c rung \u0111\u1ed9ng c\u01a1 h\u1ecdc, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh.<\/span><\/p>\n

Nhi\u1ec5u \u0111i\u1ec7n t\u1eeb: Tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb m\u1ea1nh ho\u1eb7c s\u00f3ng \u0111i\u1ec7n t\u1eeb c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh ho\u1eb7c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a c\u1ea3m bi\u1ebfn.<\/span><\/p>\n

S\u1ef1 c\u1ed1 m\u1ea1ch \u0111i\u1ec7n: Bao g\u1ed3m m\u1ea1ch d\u1eef li\u1ec7u b\u1ecb ng\u1eafn, m\u1ea1ch h\u1edf, k\u1ebft n\u1ed1i sai v\u00e0 c\u00e1c s\u1ef1 c\u1ed1 kh\u00e1c c\u00f3 th\u1ec3 g\u00e2y ra g\u1ee3n n\u01b0\u1edbc, \u0111\u01b0\u1eddng vi\u1ec1n ho\u1eb7c \u0111\u1ed9 l\u1ec7ch m\u00e0u di\u1ec7n r\u1ed9ng tr\u00ean h\u00ecnh \u1ea3nh.<\/span><\/p>\n

S\u1ef1 c\u1ed1 v\u1ec1 th\u1eddi gian: N\u1ebfu kho\u1ea3ng c\u00e1ch gi\u1eefa Hsync v\u00e0 c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n t\u1ed1c \u0111\u1ed9 cao qu\u00e1 g\u1ea7n ho\u1eb7c qu\u00e1 d\u00e0i, c\u00f3 th\u1ec3 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng gh\u00e9p n\u1ed1i, d\u1eabn \u0111\u1ebfn d\u1eef li\u1ec7u thu th\u1eadp kh\u00f4ng ch\u00ednh x\u00e1c v\u00e0 xu\u1ea5t hi\u1ec7n c\u00e1c s\u1ecdc m\u00e0u t\u00edm ho\u1eb7c xanh l\u00e1 c\u00e2y.<\/span><\/p>\n


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C\u00e2u h\u1ecfi 3: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 gi\u1ea3i quy\u1ebft hi\u1ec7n t\u01b0\u1ee3ng "\u0111i\u1ec3m \u1ea3nh n\u00f3ng" do c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh IMX686 qu\u00e1 nhi\u1ec7t?<\/span><\/strong><\/p>\n

A3: \u0110\u1ec3 gi\u1ea3i quy\u1ebft hi\u1ec7n t\u01b0\u1ee3ng "\u0111i\u1ec3m \u1ea3nh n\u00f3ng" do c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh IMX686 qu\u00e1 nhi\u1ec7t, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p sau:<\/span><\/p>\n

T\u1ed1i \u01b0u h\u00f3a thi\u1ebft k\u1ebf t\u1ea3n nhi\u1ec7t: \u0110\u1ea3m b\u1ea3o camera c\u00f3 m\u00f4i tr\u01b0\u1eddng t\u1ea3n nhi\u1ec7t t\u1ed1t khi s\u1eed d\u1ee5ng v\u00e0 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 t\u0103ng c\u1ee7a c\u1ea3m bi\u1ebfn khi ho\u1ea1t \u0111\u1ed9ng.<\/span><\/p>\n

X\u1eed l\u00fd ph\u1ea7n m\u1ec1m: X\u1eed l\u00fd h\u00ecnh \u1ea3nh th\u00f4ng qua thu\u1eadt to\u00e1n ph\u1ea7n m\u1ec1m ho\u1eb7c ph\u1ea7n ph\u1ee5 tr\u1ee3 \u0111\u1ec3 gi\u1ea3m v\u1ea5n \u0111\u1ec1 nhi\u1ec5u do qu\u00e1 nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng bao g\u1ed3m c\u00e1c b\u01b0\u1edbc nh\u01b0 kh\u1eed nhi\u1ec5u v\u00e0 hi\u1ec7u ch\u1ec9nh m\u00e0u.<\/span><\/p>\n

Gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng: Gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t m\u00e1y \u1ea3nh \u0111\u1ec3 gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c c\u1ee7a c\u1ea3m bi\u1ebfn m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh.<\/span><\/p>\n


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C\u00e2u h\u1ecfi 4: T\u00f4i n\u00ean kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 v\u1ec1 m\u00e0u s\u1eafc ho\u1eb7c s\u1ecdc tr\u00ean c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh IMX686 nh\u01b0 th\u1ebf n\u00e0o?<\/span><\/strong><\/p>\n

A4: Khi b\u1ea1n g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 v\u1ec1 m\u00e0u s\u1eafc ho\u1eb7c s\u1ecdc tr\u00ean c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh IMX686, b\u1ea1n c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 gi\u1ea3i quy\u1ebft theo c\u00e1c kh\u00eda c\u1ea1nh sau:<\/span><\/p>\n

Ki\u1ec3m tra \u0111i\u1ec7n \u00e1p t\u01b0\u01a1ng t\u1ef1: \u0110\u1ea3m b\u1ea3o \u0111i\u1ec7n \u00e1p t\u01b0\u01a1ng t\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u l\u00e0m vi\u1ec7c c\u1ee7a c\u1ea3m bi\u1ebfn. N\u1ebfu c\u00f3 v\u1ea5n \u0111\u1ec1, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c thay th\u1ebf ngu\u1ed3n \u0111i\u1ec7n.<\/span><\/p>\n

Ki\u1ec3m tra k\u1ebft n\u1ed1i m\u1ea1ch: Ki\u1ec3m tra xem \u0111\u01b0\u1eddng d\u1eef li\u1ec7u c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u0111\u00fang kh\u00f4ng, c\u00f3 b\u1ecb ng\u1eafn m\u1ea1ch, h\u1edf m\u1ea1ch hay k\u1ebft n\u1ed1i sai kh\u00f4ng. N\u1ebfu c\u00f3 v\u1ea5n \u0111\u1ec1, h\u00e3y k\u1ebft n\u1ed1i l\u1ea1i ho\u1eb7c thay th\u1ebf \u0111\u01b0\u1eddng d\u1eef li\u1ec7u.<\/span><\/p>\n

Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t th\u1eddi gian: Ki\u1ec3m tra xem c\u00e0i \u0111\u1eb7t th\u1eddi gian c\u1ee7a c\u00e1c t\u00edn hi\u1ec7u nh\u01b0 Hsync, PCLK v\u00e0 MCLK c\u00f3 \u0111\u00fang kh\u00f4ng. N\u1ebfu c\u00f3 v\u1ea5n \u0111\u1ec1, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t th\u1eddi gian ho\u1eb7c s\u1eeda \u0111\u1ed5i b\u1ed1 c\u1ee5c m\u1ea1ch.<\/span><\/p>\n

V\u1ec7 sinh c\u1ea3m bi\u1ebfn: N\u1ebfu c\u00f3 v\u1ebft b\u1ea9n ho\u1eb7c t\u1ea1p ch\u1ea5t tr\u00ean b\u1ec1 m\u1eb7t c\u1ea3m bi\u1ebfn, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 v\u1ec1 h\u00ecnh \u1ea3nh. B\u1ea1n c\u00f3 th\u1ec3 th\u1eed s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u1ec7 sinh chuy\u00ean nghi\u1ec7p ho\u1eb7c b\u00ecnh x\u1ecbt \u0111\u1ec3 v\u1ec7 sinh.<\/span><\/p>\n

<\/p>","protected":false},"excerpt":{"rendered":"

The IMX686 is a 6 4-megapixel CMOS active pixel stacked image sensor with a diagonal size of 9.251 mm (1\/1.73 type) and a square pixel array. It uses Sony's back-illuminated stacked CMOS image sensor to achieve high-speed image capture through column-parallel A\/D conversion circuits, and high sensitivity and low-noise images (compared to conventional CMOS image sensors) through a back-illuminated imaging pixel structure. R, G and B pigment primary color mosaic filters are used. It operates with four power supply voltages: analog 2.9 V and 1.8 V, digital 1.1 V and 1.8 V input\/output interfaces, achieving low power consumption. Functions and Features\uff1a Back-illuminated stacked CMOS image sensor Quad Bayer Coded (QBC) color filter arrangement Phase Detection Auto Focus (PDAF) High frame rate 30fps@full resolution (QBC re-mosaic) 30fps@QBC-HDR 30fps@V2H2 QBC-HDR 120fps@2×2 adjacent pixel binning (16:9) 240fps@2×2 adjacent pixel binning V2H2 (16:9) High signal-to-noise ratio (SNR) Dual sensor synchronous operation Built-in 2D dynamic defective pixel correction (DPC) Lens shading correction (LSC) Built-in temperature sensor Output video formats are RAW10, RAW8, RAW14 (QBC HDR, no local tone mapping) QBC re-mosaic function Super Night Mode QBC HDR function Two PLLs for generating independent clocks for pixel control and data output interfaces \u25c6CSI-2 serial data output MIPI D-PHY 2lane\/4lane, Max. 2.5Gbps\/lane, D-PHY specification ver. 1.2 compliant MIPI C-PHY 1\/2\/3 three-lane, Max. 4.5Gsps\/three-lane, compliant with C-PHY specification version 1.2. Compliant with version 1.2 \u25c6 Two-wire serial communication (supports I 2C "Fast Mode", "Fast Mode Plus" and I3C) Provides 5K-bit OTP ROM for users Device structure\uff1a \u25c6CMOS image sensor Image size: diagonal 9.251 mm (1\/1.73 type) Number of effective pixels: 9344 (H) * 7024 (V) about 65.6 million pixels Number of effective pixels: 9248 (H) * 6944 (V) about 64.2 million pixels Chip size: 8.638 mm (H) * 6.460 mm (W) Cell size: 0.80 \u03bcm (H) * 0.80 \u03bcm (V) Substrate material: Silicon Dogoozx customized IMX686 camera module: Dogoozx imx458 imx662 imx675 IMX586 imx686 4k8k 48MP 64MP mipi Camera Module For Sony About IMX686 camera image sensor FAQ: Q1: What are the basic parameters of IMX686 image sensor? A1: IMX686 is a high-performance image sensor known for its high resolution and large sensor size. Taking the Redmi K30 Pro as an example, the IMX686 sensor equipped with its rear main camera is 1\/1.73 inches in size and has 64 million pixels. These parameters enable IMX686 to capture more details and improve image quality. Q2: What common problems may IMX686 image sensors encounter during use? A2: IMX686 image sensors may encounter a variety of problems during use, including but not limited to: "Hot pixel" phenomenon caused by overheating: After working for a period of time, the temperature of the sensor increases, which may lead to increased intrinsic excitation of semiconductor materials, reduced signal-to-noise ratio (S\/N), increased noise, and the formation of "hot pixels". This is caused by chip overheating, which can be slowed down by backend or software processing, but cannot be eradicated. Analog voltage problem: Low or unstable analog voltage may cause the image sensor to malfunction, such as requiring stronger light to sense the image, or color cast, stripes, etc. Mechanical damage: As a precision device, the IMX686 image sensor may be damaged by mechanical shock or vibration, affecting the image quality. Electromagnetic interference: Strong electromagnetic fields or electromagnetic waves may damage the image sensor or affect its normal operation. Circuit problems: Including data line short circuit, open circuit, wrong connection and other problems, which may cause water ripples, contour lines or large-area color deviation in the image. Timing problems: If the distance between Hsync and high-speed lines is too close or too long, coupling may occur, resulting in data acquisition misalignment and purple or green stripes. Q3: How to solve the "hot pixel" phenomenon caused by overheating of the IMX686 image sensor? A3: To solve the "hot pixel" phenomenon caused by overheating of the IMX686 image sensor, the following measures can be taken: Optimize heat dissipation design: Ensure that the camera has a good heat dissipation environment when in use, and reduce the temperature rise of the sensor when working. Software processing: Process the image through the backend or software algorithm to reduce the noise problem caused by overheating. This usually includes steps such as noise suppression and color correction. Reduce power consumption: Without affecting the image quality, reduce power consumption by adjusting the camera settings to reduce the workload of the sensor. Q4: How should I troubleshoot and solve the problem of color cast or stripes on the IMX686 image sensor? A4: When you encounter the problem of color cast or stripes on the IMX686 image sensor, you can troubleshoot and solve it from the following aspects: Check the analog voltage: Make sure that the analog voltage is stable and meets the working requirements of the sensor. If there is a problem, adjust or replace the power supply. Check the circuit connection: Check whether the data line is connected correctly, whether there is a short circuit, open circuit or wrong connection. If there is a problem, reconnect or replace the data line. Check the timing settings: Check whether the timing settings of signals such as Hsync, PCLK, and MCLK are correct. If there is a problem, adjust the timing settings or modify the circuit layout. Clean the sensor: If there are stains or impurities on the surface of the sensor, it may also cause imaging problems. You can try to use professional cleaning tools or sprays to clean it.<\/p>","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[663],"tags":[664],"class_list":["post-13224","post","type-post","status-publish","format-standard","hentry","category-60mp-camera-sensor","tag-imx686"],"_links":{"self":[{"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/posts\/13224","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/comments?post=13224"}],"version-history":[{"count":0,"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/posts\/13224\/revisions"}],"wp:attachment":[{"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/media?parent=13224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/categories?post=13224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/tags?post=13224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}