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HT82V842-48LQFP-A PDF预览

HT82V842-48LQFP-A

更新时间: 2024-11-20 21:55:19
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台湾合泰/盛群 - HOLTEK /
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18页 161K
描述
CCD CDS/PGA/10b-20M-ADC

HT82V842-48LQFP-A 数据手册

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HT82V842  
CCD CDS/PGA/10b-20M-ADC  
Features  
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Operating voltage: 2.7V~3.6V  
Independent ADC input conversion clock and data  
output clock  
Low power consumption: 70mW (Typ.)  
Power down mode: less than 30mW  
Accepts a direct signal input to ADC or PGA at 1.0  
Independent CDS and PGA gain control  
-
-
CDS: -1.94/0/6/12dB  
PGA: 0~24dB  
V
PP (Typ.)  
·
·
Wide gain range: -1.94~36dB  
·
·
CCD signal input level: 1.1 VP-P (Max.)  
10-bit ADC (up to 20MHz)  
High speed sample and hold circuit: pulse width 11ns  
(Min.)  
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DNL: ±0.6 LSB (Typ.)  
Black level neutralizer, target setting: 16~127LSB  
·
48-pin LQFP package  
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·
Built-in serial interface  
General Description  
The HT82V842 is a CMOS single-chip signal process-  
ing device for CCD area sensors. It consists of a clamp  
circuit, Correlated Double Sampler (CDS), Programma-  
ble Gain Amplifier (PGA), reference voltage generator,  
black level detection circuit, 20MHz 10-bit A/D converter  
(ADC), timing generator for internally required pulses,  
serial interface for internal function control and PGA  
gain control.  
Block Diagram  
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Rev. 1.00  
1
July 15, 2004  

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