参数资料
型号: CS7622-IQ
厂商: CIRRUS LOGIC INC
元件分类: 消费家电
英文描述: CCD Imager Analog Processor
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP32
封装: 7 X 7 X 1.40 MM, MS-026, TQFP-32
文件页数: 25/36页
文件大小: 348K
代理商: CS7622-IQ
CS7622
DS322PP1
25
Fixed Gain
Default = 00h; Read/Write (address 14h)
Bit Number
Bit Name
Default
7
6
5
4
3
2
1
0
RESERVED
0
fixed_gain2 fixed_gain1 fixed_gain0
0
0
RESERVED
0
0
0
0
0
Bit
Mnemonic
Function
7:6, 2:0
-
Reserved
Fixed Gain:
This is used to turn off the DRX functionality and apply a fixed gain
to the input before reaching the ADC. A setting of 000 is used for normal oper-
ation this will yield the largest dynamic range by switching the front end gain rel-
ative to the amplitude of the input signal. The settings 001, 010, 011, and 100
are for fixed gains of 1x, 2x, 4x, and 8x respectively. Figure 18 shows the trans-
fer function of the output of the ADC for a given input with the various fixed gain
settings.
5:3
fixed_gain2-0
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