LM98714 - 具有集成 CCD/CIS 传感器定时发送器和 LVDS 输出的 3 通道 16 位 45 MSPS 数字复印机 AFE

LM98714是TI德州仪器公司的一款CCD/CMOS信号调节产品，LM98714是具有集成 CCD/CIS 传感器定时发送器和 LVDS 输出的 3 通道 16 位 45 MSPS 数字复印机 AFE，本站介绍了LM98714的封装应用图解、特点和优点、功能等，并给出了与LM98714相关的TI元器件型号供参考。

LM98714 - 具有集成 CCD/CIS 传感器定时发送器和 LVDS 输出的 3 通道 16 位 45 MSPS 数字复印机 AFE - CCD/CMOS信号调节 - 模拟前端(AFE) - 德州仪器

产品描述

The LM98714 is a fully integrated, high performance 16-Bit, 45 MSPS signal processing solution for digital color copiers, scanners, and other image processing applications. High-speed signal throughput is achieved with an innovative architecture utilizing Correlated Double Sampling (CDS), typically employed with CCD arrays, or Sample and Hold (S/H) inputs (for Contact Image Sensors and CMOS image sensors). The signal paths utilize 8 bit Programmable Gain Amplifiers (PGA), a ±9-Bit offset correction DAC and independently controlled Digital Black Level correction loops for each input. The PGA and offset DAC are programmed independently allowing unique values of gain and offset for each of the three inputs. The signals are then routed to a 45MHz high performance analog-to-digital converter (ADC). The fully differential processing channel shows exceptional noise immunity, having a very low noise floor of –74dB. The 16-bit ADC has excellent dynamic performance making the LM98714 transparent in the image reproduction chain.

产品特性

LVDS/CMOS Outputs
LVDS/CMOS Pixel Rate Input Clock or ADC Input Clock
CDS or S/H Processing for CCD or CIS Sensors
Independent Gain/Offset Correction for Each Channel
Digital Black Level Correction Loop for Each Channel
Programmable Input Clamp Voltage
Flexible CCD/CIS Sensor Timing Generator

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