安森美PYTHON系列25K/16K/12K全球快门CMOS图像传感器规格概览

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安森美半导体发布的PYTHON25K/16K/12K系列全球快门CMOS图像传感器数据手册详细概述了这款高性能传感器的技术特性。该系列传感器属于APin兼容家族，提供了三种不同的分辨率选项：25K（5120x5120有效像素）、16K（4096x4096有效像素）和12K（4096x3072有效像素），适应不同应用场景的需求。关键特性包括： 1. **低噪声全局快门像素**：每个像素采用4.5 x 4.5毫米的尺寸，具备内插式相关双采样（CDS）技术，确保图像质量在高速快门下保持稳定。 2. **APS-H光学格式**：针对25K分辨率，其对角线长度为32.6毫米，提供宽广的视场。 3. **多模式支持**：提供单色（SN）、彩色（SE）和近红外（FN）三种模式，满足不同色彩和光谱应用需求。 4. **可编程区域兴趣点（ROI）读取**：允许用户根据任务定制采集区域，提高数据处理效率。 5. **流水线和触发全球快门**：通过并行操作，实现快速连续帧速率，如在25Mpix模式下达到每秒80帧。 6. **内置固定模式噪声（FPN）校正**：减少长时间曝光中的固有噪声问题，提升图像质量。 7. **高精度10位模拟到数字转换器（ADC）**：确保信号的精确量化。 8. **高速串行输出接口**：包括32个低电压差分信号（LVDS）接口，支持高速数据传输，以及Serial Peripheral Interface (SPI) 接口。 9. **功耗和性能**：全分辨率下，功耗为4.6瓦，而在LVDS模式下，性能显著提升。 10. **工作温度范围**：传感器的工作范围广泛，从-40°C到+85°C，适应各种环境条件。 11. **封装**：采用355-pin PGAPackage，紧凑设计便于集成。这些传感器广泛应用于机器视觉、运动监控和智能系统等领域，其出色的性能和灵活性使其成为工业级和专业级应用的理想选择。随着嵌入式系统的不断发展，PYTHON25K/16K/12K CMOS图像传感器因其高性能和易用性，在物联网、无人驾驶、安防监控等新兴市场中具有广泛应用前景。

NOIP1SN025KA, NOIP1SN016KA, NOIP1SN012KA

www.onsemi.com

Triggered Global Shutter

In this mode, manual intervention is required to control

both the integration time and the start of readout. After the

integration time, indicated by a user controlled pin, the

image core is read out. After this sequence, the sensor goes

to an idle mode until a new user action is detected.

The three main differences from the pipelined shutter

master mode are:

• Upon user action, a single image is read.

• Normally, integration and readout are done

sequentially. However, the user can control the sensor

in such a way that two consecutive batches are

overlapping, that is, having concurrent integration and

readout.

• Integration and readout is user-controlled through an

external pin. This mode requires manual intervention

for every frame.

The pixel array is kept in reset state until requested.

The triggered global mode can also be controlled in a

master or in a slave mode.

Master Mode

In this mode, a rising edge on the synchronization pin is

used to trigger the start of integration and readout. The

integration time is defined by a register setting. The sensor

autonomously integrates during this predefined time, after

which the FOT starts and the image array is readout

sequentially. A falling edge on the synchronization pin does

not have any impact on the readout or integration and

subsequent frames are started again for each rising edge.

Figure 13 shows the relation between the external trigger

signal and the exposure/readout timing. If a rising edge is

applied on the external trigger before the exposure time and

FOT of the previous frame is complete, it is ignored by the

sensor.

Slave Mode

Integration time control is identical to the pipelined

shutter slave mode. An external synchronization pin

controls the start of integration. When it is de−asserted, the

FOT starts. The analog value on the pixel diode is

transferred to the pixel memory element and the image

readout can start. A request for a new frame is started when

the synchronization pin is asserted again.

Figure 13. Triggered Shutter Operation in Master Mode

Reset

Exposure Time N

Reset

N+1

Exposure Time N+1

Readout N-1 FOTFOT Readout N

ÉÉ

FOT

Integration Time

Handling

Readout

Handling

ÉÉ

ROT Line Readout

External Trigger

No effect on falling edge

FOT FOT

NOIP1SN025KA, NOIP1SN016KA, NOIP1SN012KA

www.onsemi.com

Sensor States

The sensor can be in five different states:

Power-off

In this state, the sensor is inactive. All power supplies are

down and the power dissipation is zero.

Standby (1)

The registers below address 40 can be configured.

Standby (2)

In this standby state all SPI registers are active, meaning

that all SPI registers can be accessed for read and write

operations. All other blocks are disabled.

Note: An Intermediate Standby state is traversed after a

hard reset. In this state the sensor contains the default

configurations. Uploads of reserved registers are required to

traverse to the Standby (2) state

Idle

In the idle state, all sensor clocks are running and all

blocks are enabled, except the sequencer block. The sensor

is ready to start grabbing images as soon as the sequencer

block is enabled.

Running

In running state, the sensor is enabled and grabbing

images. The sensor can be operated in different global

master/slave modes.

User Actions: Power Up Functional Mode Sequences

Power-up Sequence

Figure 17 shows the power-up timing of the sensor. Apply

all power supplies in the order shown in the figure. It is

important to comply with the described sequence. Any other

supply ramping sequence may lead to high current peaks

and, as a consequence, a failure of the sensor power up.

The clock input should start running when all supplies are

stabilized. Note that before starting the clock, the LVDS

output channel multiplexing (32, 16, 8 or 4), by connecting

pins F24/F25 (muxmode0/1), should be set to the correct

supply as described in Table 24 and Table 21.

When the clock frequency is stable, the reset_n signal

can be de−asserted. After a wait period of 10 ms, the power

up sequence is finished and the first SPI upload can be

initiated.

Figure 17. Power−up Procedure

reset_n

vddd_18

vddd_33

vdda_33

LVDS clock

other supplies

vdd_casc

> 10us > 10us> 10us> 10us > 10us > 10us

NOTE: vdd_casc should come up prior to vdd_resfd,

vdd_trans, vdd_calib and vdd_sel.

Enable Clock Management

The ‘Enable Clock Management’ action configures the

clock management blocks in a pre−defined way. The

required uploads are available to customers under NDA at

the ON Semiconductor Image Sensor Portal:

https://www.onsemi.com/PowerSolutions/myon/erCispFol

der.do

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