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首页索尼IMX290 1/2.8寸CMOS图像传感器详解:低功耗高灵敏度
索尼IMX290是一款专为彩色相机设计的高性能CMOS固态图像传感器,其特点在于其6.46毫米的对角线尺寸(Type 1/2.8),采用方形像素阵列,拥有2.13百万有效像素。该传感器采用了先进的CMOS主动像素技术,能够在2.9V模拟电压、1.2V数字电压和1.8V接口供电下工作,具备低功耗特性。通过R、G和B三色基础滤镜阵列的设计,传感器实现了高灵敏度,低暗电流以及无 smear(像素移动)的效果,非常适合监控摄像头、FA(Face Alignment)相机以及工业级应用。 IMX290LQR-C型号的传感器内置了定时调整电路、H/V驱动器和串行通信电路,这使得信号处理和数据传输更为高效。其输入频率可支持74.25MHz和37.125MHz,灵活性很高。推荐的录制像素数量约为1920x1080,大约207万像素,足以满足高清视频的捕捉需求。 在读取模式方面,IMX290支持全像素模式,720p-HD读出模式,窗口裁剪模式,以及在垂直和水平方向上正常或翻转的读出方式。在全高清1080p模式下,它的最大帧率可以达到惊人的120帧/秒,提供了流畅的视频捕捉体验。此外,宽动态范围(WDR)和高动态范围(HDR)功能也是该传感器的重要特性,能够适应各种光照条件下的拍摄,确保图像细节清晰且色彩准确。 索尼IMX290是一款性能卓越、适用于多种应用场景的图像传感器,无论是对于专业摄影师还是工业自动化设备,都是一个理想的解决方案。其集成的高级功能和低功耗设计,使得它在提高成像质量的同时,也降低了系统整体的能耗,提升了系统的运行效率和稳定性。
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IMX290LQR-C
16
AC Characteristics
Master Clock Waveform (INCK)
INCK
0.8 × OVDD
0.2 × OVDD
0.5 × OVDD
1/fINCK
tP
Duty Ratio = tWP / tP × 100
tWP
tWHINCK
tWLINCK
Tr_inck
Tf_inck
Item
Symbol
Min.
Typ.
Max.
Unit
Remarks
INCK clock frequency
f
INCK
f
INCK
× 0.96
f
INCK
f
INCK
× 1.02
MHz
f
INCK
= 37.125 MHz, 74.25 MHz
INCK Low level pulse width
t
WLINCK
4
―
―
ns
f
INCK
= 37.125 MHz, 74.25 MHz
INCK High level pulse width
t
WHINCK
4
―
―
ns
f
INCK
= 37.125 MHz, 74.25 MHz
INCK clock duty
―
45.0
50.0
55.0
%
Define with 0.5 × OV
DD
INCK Rise time
Tr_inck
―
―
5
ns
20 % to 80 %
INCK Fall time
Tf_inck
―
―
5
ns
80 % to 20 %
*The INCK fluctuation affects the frame rate.
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![](https://csdnimg.cn/release/download_crawler_static/87300917/bg11.jpg)
IMX290LQR-C
17
XVS / XHS Input Characteristics In Slave Mode (XMASTER pin = High)
0.8 × OVDD
0.2 × OVDD
XVS
XHS
tWLXHS
tHFDLY tVRDLY
tWHXHS
0.8 × OVDD
0.2 × OVDD
Tf_xvs
Tr_xvs
Tf_xhs Tr_xhs
Item
Symbol
Min.
Typ.
Max.
Unit
Remarks
XHS Low level pulse width
t
WLXHS
4 / f
INCK
―
―
ns
XHS High level pulse width
t
WHXHS
4 / f
INCK
―
―
ns
XVS - XHS fall width
t
HFDLY
1 / f
INCK
―
―
ns
XHS - XVS rise width
t
VRDLY
1 / f
INCK
―
―
ns
XVS Rise time
Tr_xvs
―
―
5
ns
20 % to 80 %
XVS Fall time
Tf_xvs
―
―
5
ns
80 % to 20 %
XHS Rise time
Tr_xhs
―
―
5
ns
20 % to 80 %
XHS Fall time
Tf_xhs
―
―
5
ns
80 % to 20 %
XVS / XHS Input Characteristics In Master Mode (DMODE pin = Low, CMOS Output)
* XVS and XHS cannot be used for the sync signal to pixels.
Be sure to detect sync code to detect the start of effective pixels in 1 line.
For the output waveforms in master mode, see the item of “Slave Mode and Master Mode”
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![](https://csdnimg.cn/release/download_crawler_static/87300917/bg12.jpg)
IMX290LQR-C
18
Serial Communication
4-wire
XCLR
0.8 × OVDD
0.2 × OVDD
tWLXCLR
XCE
0.8 × OVDD
0.2 × OVDD
SCK
0.8 × OVDD
0.2 × OVDD
SDI
0.8 × OVDD
0.2 × OVDD
SDO
0.8 × OVDD
0.2 × OVDD
DATA
DATA
tSUXCE
1/fSCK
tSUSDI
tHDSDI
t
DLSDO
tHDXCE
tWHXCE
DATA
DATA
t
ENXCE
Tf_xclr
Tr_xclr
Tf_xce
Tr_xce
Tr_sck
Tr_sdi
Tf_sdi
Tf_sck
Item
Symbol
Min.
Typ.
Max.
Unit
Remarks
SCK clock frequency
f
SCK
―
―
13.5
MHz
XCLR Low level pulse width
t
WLXCLR
4 / f
INCK
―
―
ns
XCE effective margin
t
ENXCE
20
―
―
µs
XCE input set-up time
t
SUXCE
20
―
―
ns
XCE input hold time
t
HDXCE
20
―
―
ns
XCE High level pulse width
t
WHXCE
20
―
―
ns
SDI input set-up time
t
SUSDI
10
―
―
ns
SDI input hold time
t
HDSDI
10
―
―
ns
SDO output delay time
t
DLSDO
0
―
25
ns
Output load capacitance: 20 pF
XCLR Rise time
Tr_xclr
―
―
5
ns
20 % to 80 %
XCLR Fall time
Tf_xclr
―
―
5
ns
80 % to 20 %
XCE Rise time
Tr_xce
―
―
5
ns
20 % to 80 %
XCE Fall time
Tf_xce
―
―
5
ns
80 % to 20 %
SCK Rise time
Tr_sck
―
―
5
ns
20 % to 80 %
SCK Fall time
Tf_sck
―
―
5
ns
80 % to 20 %
SDI Rise time
Tr_sdi
―
―
5
ns
20 % to 80 %
SDI Fall time
Tf_sdi
―
―
5
ns
80 % to 20 %
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![](https://csdnimg.cn/release/download_crawler_static/87300917/bg13.jpg)
IMX290LQR-C
19
I
2
C
Repeated
Start
condition
SDA
SCL
VIH/VOH
VIL/VOL
VIL
VIH
tBUF
tr
tLOW
tHD;DAT
tSU;DAT
tHD;STA
tf
tr
tHIGH
tHD;STA
tSU;STA
tSU;STO
Start
condition
Stop
condition
I
2
C Specification
Item
Symbol
Min.
Typ.
Max.
Unit
条件
Low level input voltage
VIL
-0.3
—
0.3 × OV
DD
V
High level input voltage
VIH
0.7 × OV
DD
—
1.9
V
Low level input voltage
VOL
0
—
0.2 × OV
DD
V
OVDD < 2 V, Sink 3 mA
High level input voltage
VOH
0.8 × OV
DD
—
—
V
Output fall time
tof
—
—
250
ns
Load 10 pF – 400 pF,
0.7 × OV
DD
– 0.3 × OV
DD
Input current
Ii
-10
—
10
µA
0.1 × OV
DD
– 0.9 × OV
DD
Capacitance for
SCK (SCL) /SDI (SDA)
Ci
—
—
10
pF
I
2
C AC Characteristics
Item
Symbol
Min.
Typ.
Max.
Unit
SCL clock frequency
f
SCL
0
—
400
kHz
Hold time (Start Condition)
t
HD;STA
0.6
—
―
µs
Low period of the SCL clock
t
LOW
1.3
—
―
µs
High period of the SCL clock
t
HIGH
0.6
—
―
µs
Set-up time (Repeated Start Condition)
t
SU;STA
0.6
—
―
µs
Data hold time
t
HD;DAT
0
—
0.9
µs
Data set-up time
t
SU;DAT
100
—
―
ns
Rise time of both SDA and SCL signals
t
r
―
—
300
ns
Fall time of both SDA and SCL signals
t
f
―
—
300
ns
Set-up time (Stop Condition)
t
SU;STO
0.6
—
―
µs
Bus free time between a STOP and START Condition
t
BUF
1.3
—
―
µs
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![](https://csdnimg.cn/release/download_crawler_static/87300917/bg14.jpg)
IMX290LQR-C
20
DLCKP / DLCKM, DLOP / DLOM
CMOS Outputs
t
SKMAXDO
t
SKMINDO
1/f
DLCKP
DLCKP
0.5 × OVDD
DLO*
Item
Symbol
Min.
Typ.
Max.
Unit
Remarks
DLCKP frequency
f
DLCKP
―
―
74.25
MHz
DLCKP clock duty
―
40
50
60
%
DLCKP - DLO skew Max.
t
SKMAXDO
―
―
2
ns
Output load capacitance: 20 pF
DLCKP - DLO skew Min.
t
SKMINDO
―
―
2
ns
Output load capacitance: 20 pF
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