参数资料
型号: AD7725BSZ
厂商: Analog Devices Inc
文件页数: 23/28页
文件大小: 0K
描述: IC ADC 16BIT PROG 44MQFP
产品变化通告: AD7725BSZ Discontinuation 16/Mar/2012
标准包装: 1
位数: 16
采样率(每秒): 900k
数据接口: 串行,并联
转换器数目: 1
功率耗散(最大): 30mW
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: 44-QFP
供应商设备封装: 44-MQFP(10x10)
包装: 托盘
输入数目和类型: 2 个单端,单极;2 个单端,双极;1 个差分,双极
配用: EVAL-AD7725CBZ-ND - BOARD EVALUATION FOR AD7725
REV. A
–4–
AD7725
Preset Filter, Default Filter, and Postprocessor Characteristics1, 2
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
DIGITAL FILTER RESPONSE
PRESET FIR
Data Output Rate
f
CLKIN/8
Hz
Stop-Band Attenuation
70
dB
Low-Pass Corner Frequency
f
CLKIN/16
Hz
Group Delay
3
133/(2
f
CLKIN)s
Settling Time
3
133/f
CLKIN
s
DEFAULT FILTER
Internal FIR Filter Stored in ROM
Number of Taps
106
Frequency Response
0 kHz to f
CLKIN/546.08
±0.001
dB
f
CLKIN/195.04
–3
dB
f
CLKIN/184.08
–6
dB
f
CLKIN/133.2 to fCLKIN/2
–120
dB
Group Delay
3
2141/(2
f
CLKIN)s
Settling Time
3
2141/f
CLKIN
s
Output Data Rate, f
O
f
CLKIN/32
Hz
POSTPROCESSOR CHARACTERISTICS
Input Data Rate
f
CLKIN/8
Hz
Coefficient Precision
4
24
Bits
Arithmetic Precision
30
Bits
Number of Taps Permitted
108
Decimation Factor
2
256
Number of Decimation Stages
1
5
Output Data Rate
f
CLKIN/4096
f
CLKIN/16
Hz
NOTES
1These characteristics are fixed by the design.
2f
CLKIN is the CLKIN frequency.
3See Terminology section.
4See the Configuration File Format section for more information.
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