参数资料
型号: AD7451ARMZ
厂商: Analog Devices Inc
文件页数: 21/25页
文件大小: 0K
描述: IC ADC 12BIT DIFF 1MSPS 8MSOP
标准包装: 50
位数: 12
采样率(每秒): 1M
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 9.25mW
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: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 管件
输入数目和类型: 1 个伪差分,单极
AD7441/AD7451
Rev. D | Page 4 of 24
Parameter
Test Conditions/Comments
A Version
B Version
Unit
CONVERSION RATE
Conversion Time
888 ns with an 18 MHz SCLK
16
SCLK cycles
Track-and-Hold Acquisition Time1
Sine wave input
250
ns max
Full-scale step input
290
ns max
Throughput Rate
1
MSPS max
POWER REQUIREMENTS
VDD
2.7/5.25
V min/max
Normal Mode (Static)
SCLK on or off
0.5
mA typ
Normal Mode (Operational)
VDD = 4.75 V to 5.25 V
1.95
mA max
VDD = 2.7 V to 3.6 V
1.45
mA max
Full Power-Down Mode
SCLK on or off
1
μA max
Power Dissipation
Normal Mode (Operational)
VDD = 5 V; 1.55 mW typical for 100 ksps6
9.25
mW max
VDD = 3 V; 0.6 mW typical for 100 ksps6
4
mW max
Full Power-Down
VDD = 5 V; SCLK on or off
5
μW max
VDD = 3 V; SCLK on or off
3
μW max
1 See Terminology section.
2 Analog inputs with slew rates exceeding 27 V/μs (full-scale input sine wave > 3.5 MHz) within the acquisition time can cause the converter to return an incorrect result.
3 A small dc input is applied to VIN– to provide a pseudo ground for VIN+.
4 The AD7451 is functional with a reference input in the range of 100 mV to VDD.
5 Guaranteed by characterization.
6 See the Power vs. Throughput Rate section.
7 Measured with a full-scale dc input.
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