参数资料
型号: AD7734BRU
厂商: Analog Devices Inc
文件页数: 28/32页
文件大小: 0K
描述: IC ADC 24BIT 4-CH 28-TSSOP
标准包装: 1
位数: 24
采样率(每秒): 15.4k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 100mW
电压电源: 模拟和数字
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 28-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 28-TSSOP
包装: 管件
输入数目和类型: 4 个单端,单极;4 个单端,双极
配用: EVAL-AD7734EBZ-ND - BOARD EVALUATION FOR AD7734
Data Sheet
AD7734
Rev. A | Page 5 of 32
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
Power Dissipation (Normal Mode) 13
85
100
mW
AV
DD+DVDD Current (Standby Mode)
100
A
Power Dissipation (Standby Mode) 14
525
W
1 Specifications are not production tested but guaranteed by design and/or characterization data at initial product release.
3 Specifications before calibration. Channel system calibration reduces these errors to the order of the noise.
4 Applies after the zero-scale and full-scale calibration. The negative full-scale error represents the remaining error after removing the offset and gain error.
5 ADC zero-scale self-calibration reduces this error to ±10 mV. Channel zero-scale system calibration reduces this error to the order of the noise.
6 For specified performance. The output data span corresponds to the specified nominal input voltage range. The ADC is functional outside the nominal input voltage
range, but the performance might degrade. Outside the nominal input voltage range, the OVR bit in the channel status register is set and the channel data register
value depends on the CLAMP bit in the mode register. See the register and circuit descriptions for more details.
7 The adjacent channels are not affected by AIN voltage up to ±16.5 V.
8 Pin impedance is from the pin to the internal node. In normal circuit configuration, the analog input total impedance is typically 108.5 k + 15.5 k = 124 k.
9 For specified performance. Part is functional with lower V
REF.
10 Dynamic current charging the sigma-delta modulator input switching capacitor.
11 Outside the specified calibration range, calibration is possible but the performance may degrade.
12 These logic output levels apply to the MCLK OUT output when it is loaded with a single CMOS load.
13 With external MCLK, MCLKOUT disabled (CLKDIS bit set in the mode register).
14 External MCLKIN = 0 V or DV
DD, digital inputs = 0 V or DVDD, P0 and P1 = 0 V or AVDD.
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