参数资料
型号: AD7863BRZ-3
厂商: Analog Devices Inc
文件页数: 8/24页
文件大小: 0K
描述: IC ADC 14BIT DUAL 2CHAN 28SOIC
标准包装: 27
位数: 14
采样率(每秒): 175k
数据接口: 并联
转换器数目: 2
功率耗散(最大): 94.5mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC W
包装: 管件
输入数目和类型: 4 个单端,单极;4 个单端,双极
AD7863
Rev. B | Page 16 of 24
POWER CONSIDERATIONS
In the automatic power-down mode the part can be operated at
a sample rate that is considerably less than 175 kHz. In this case,
the power consumption is reduced and depends on the sample
rate. Figure 18 shows a graph of the power consumption vs.
sampling rates from 1 Hz to 100 kHz in the automatic power-
down mode. The conditions are 5 V supply at 25°C.
06
41
1-
0
18
P
O
WE
R
(
m
W)
FREQUENCY (kHz)
50
0
102030405060708090
100
45
40
35
30
25
20
15
10
5
Figure 18. Power vs. Sample Rate in Auto Power-Down
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