VSP1221中文資料適用于 CCD 傳感器的 12 位 21MSPS 單通道 AFE數(shù)據(jù)手冊(cè)TI規(guī)格書

描述 Description

The VSP1221 is a highly-integrated mixed-signal IC used for signal conditioning and analog-to-digital conversion at the output of a CCD array. The IC has a correlated double sampler (CDS) and an analog programmable-gain amplifier (PGA) stage followed by an analog-to-digital converter (ADC) and a digital PGA stage. The CDS is used to sample the CCD signal and is followed by the analog PGA stage. The ADC is a 12-bit, 21-MSPS pipelined ADC. The digital PGA provides further amplification.

Additionally, there is an offset calibration loop for optical-black correction. The optical-black reference level is user-programmable. The chip also has two eight-bit digital-to-analog converters (DAC) for external analog settings.

The chip has a serial port for configuring internal control registers.

The VSP1221 is available in a 48-pin TQFP package and operates from a single 3-V power supply.

特性 Features

? 12-Bit, 21-MSPS, Analog-to-Digital Converter
? Low Power: 70 mW Minimum Power-Down Mode: 4 mW
? Low Input-Referred Noise: 75-dB SNR Typical at 0-dB Gain
? Novel Optical-Black (OB) Calibration
? Low-Aperture Delay
? Single 3-V Supply Operation
? DNL:

簡介

VSP1221屬于集成電路（IC）的視頻處理。由TI制造生產(chǎn)的VSP1221視頻處理一種集成電路 (IC) 半導(dǎo)體器件，設(shè)計(jì)用于在放大、增強(qiáng)、編碼器和解碼器（編解碼器）、緩沖、校準(zhǔn)、處理、信號(hào)調(diào)節(jié)、調(diào)制與解調(diào)、轉(zhuǎn)換、傳輸、伽瑪校正、切換、OSD、數(shù)字化和多路復(fù)用等應(yīng)用中處理音頻和/或視頻信號(hào)。