参数资料
型号: AD7691BRMZ-RL7
厂商: Analog Devices Inc
文件页数: 23/28页
文件大小: 0K
描述: IC ADC 18BIT SAR 250KSPS 10-MSOP
标准包装: 1,000
系列: PulSAR®
位数: 18
采样率(每秒): 250k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 12.5mW
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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 带卷 (TR)
输入数目和类型: 1 个差分,双极
配用: EVAL-AD7691CBZ-ND - BOARD EVALUATION FOR AD7691CBZ
AD7691
Data Sheet
Rev. C | Page 4 of 28
VDD = 2.3 V to 5.25 V, VIO = 2.3 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted.
Table 3.
Parameter
Conditions/Comments
Min
Typ
Max
Unit
REFERENCE
Voltage Range
0.5
VDD + 0.3
V
Load Current
250 kSPS, REF = 5 V
60
μA
SAMPLING DYNAMICS
3 dB Input Bandwidth
2
MHz
Aperture Delay
VDD = 5 V
2.5
ns
DIGITAL INPUTS
Logic Levels
VIL
0.3
+0.3 × VIO
V
VIH
0.7 × VIO
VIO + 0.3
V
IIL
1
+1
μA
IIH
1
+1
μA
DIGITAL OUTPUTS
Data Format
Serial 18-bit, twos complement
Pipeline Delay1
VOL
ISINK = +500 μA
0.4
V
VOH
ISOURCE = 500 μA
VIO 0.3
V
POWER SUPPLIES
VDD
Specified performance
2.3
5.25
V
VIO
Specified performance
2.3
VDD + 0.3
V
VIO Range
1.8
VDD + 0.3
V
Standby Current2, 3
VDD and VIO = 5 V, TA = 25°C
1
50
nA
Power Dissipation
VDD = 2.5 V, 100 SPS throughput
1.4
μW
VDD = 2.5 V, 100 kSPS throughput
1.35
mW
VDD = 2.5 V, 180 kSPS throughput
2.4
mW
VDD = 5 V, 100 kSPS throughput
4.24
5
mW
VDD = 5 V, 250 kSPS throughput
10.6
12.5
mW
Energy per Conversion
50
nJ/sample
TEMPERATURE RANGE4
Specified Performance
TMIN to TMAX
40
+85
°C
1 Conversion results are available immediately after completed conversion.
2 With all digital inputs forced to VIO or GND as required.
3 During acquisition phase.
4 Contact an Analog Devices, Inc., sales representative for the extended temperature range.
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