参数资料
型号: EVAL-AD7322CBZ
厂商: Analog Devices Inc
文件页数: 18/37页
文件大小: 0K
描述: BOARD EVALUATION FOR AD7322
标准包装: 1
系列: iCMOS®
ADC 的数量: 1
位数: 12
采样率(每秒): 1M
数据接口: 串行
输入范围: ±10 V
在以下条件下的电源(标准): 30mW @ 1MSPS
工作温度: -40°C ~ 85°C
已用 IC / 零件: AD7322
已供物品: 板,CD
相关产品: AD7322BRUZ-REEL-ND - IC ADC 12BIT+SAR 2CHAN 14-TSSOP
AD7322BRUZ-REEL7-ND - IC ADC 12BIT+ SAR 2CHAN 14TSSOP
AD7322BRUZ-ND - IC ADC 12BIT+ SAR 2CHAN 14TSSOP
AD7322
Data Sheet
Rev. B | Page 24 of 36
RANGE REGISTER
The range register is used to select one analog input range per
analog input channel. This register is a 6-bit, write-only register
with two dedicated range bits for each of the analog input
channels, Channel 0 and Channel 1. There are four analog input
ranges, ±10 V, ±5 V, ±2.5 V, and 0 V to +10 V. A write to the
range register is selected by setting the write bit to 1 and the
register select bit to 1. After the initial write to the range register
occurs, each time an analog input is selected, the AD7322
automatically configures the analog input to the appropriate
range, as indicated by the range register. The ±10 V input range
is selected by default on each analog input channel (see Table 13).
MSB
LSB
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Write
Zero
Register Select
VIN0A
VIN0B
0
VIN1A
VIN1B
0
Table 13. Range Selection
VINxA
VINxB
Description
0
This combination selects the ±10 V input range on VINx.
0
1
This combination selects the ±5 V input range on VINx.
1
0
This combination selects the ±2.5 V input range on VINx.
1
This combination selects the 0 V to +10 V input range on VINx.
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