参数资料
型号: AD7942BCPZRL
厂商: Analog Devices Inc
文件页数: 19/24页
文件大小: 0K
描述: IC ADC 14BIT SAR 250KSPS 10LFCSP
标准包装: 5,000
系列: PulSAR®
位数: 14
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): 1.25mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘,CSP
供应商设备封装: 10-LFCSP-WD(3x3)
包装: 带卷 (TR)
输入数目和类型: 1 个伪差分,单极
配用: EVAL-AD7942CB-ND - BOARD EVALUATION FOR AD7942
AD7942
Rev. B | Page 4 of
24
Parameter
Conditions
Min
Typ
Max
Unit
DIGITAL OUTPUTS
Data Format
Serial 14 bits straight binary
Pipeline Delay
Conversion results available
immediately after
completed conversion
VOL
ISINK = +500 μA
0.4
V
VOH
ISOURCE = 500 μA
VIO 0.3
V
POWER SUPPLIES
VDD
Specified performance
2.3
5.5
V
VIO
Specified performance
2.3
VDD + 0.3
V
VIO Range
1.8
VDD + 0.3
V
Standby Current4, 5
VDD and VIO = 5 V, @ 25°C
1
50
nA
Power Dissipation
VDD = 2.5 V, 100 SPS throughput
1.25
μW
VDD = 2.5 V, 100 kSPS throughput
1.25
2
mW
VDD = 2.5 V, 200 kSPS throughput
2.5
4
mW
VDD = 5 V, 100 kSPS throughput
3.6
5
mW
VDD = 5 V, 250 kSPS throughput
12.5
mW
TEMPERATURE RANGE6
Specified Performance
TMIN to TMAX
40
+85
°C
1 LSB means least significant bit. With a 5 V input range, 1 LSB = 305.2 μV.
2 See the Terminology section. These specifications do include full temperature range variation but do not include the error contribution from the external reference.
3 All specifications in decibels are referred to a full-scale input, FS. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
4 With all digital inputs forced to VIO or GND as required.
5 During acquisition phase.
6 Contact Analog Devices, Inc., sales for an extended temperature range.
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