参数资料
型号: AD7793BRU
厂商: Analog Devices Inc
文件页数: 29/33页
文件大小: 0K
描述: IC ADC 24BIT 3CH LP 16-TSSOP
设计资源: Fully Isolated Input Module Based on AD7793 and ADuM5401(CN0066)
Fully Isolated Input Module Based on AD7793, ADuM5401, and a High Performance In-Amp (CN0067)
标准包装: 1
位数: 24
采样率(每秒): 500
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 2.5mW
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: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 管件
输入数目和类型: 3 个差分,单极;3 个差分,双极
配用: EVAL-AD7793EBZ-ND - BOARD EVALUATION FOR AD7793
AD7792/AD7793
Rev. B | Page 4 of 32
Parameter
AD7792B/AD7793B1
Unit
Test Conditions/Comments
REFERENCE
Internal Reference
Internal Reference Initial Accuracy
1.17 ± 0.01%
V min/max
AVDD = 4 V, TA = 25°C
Internal Reference Drift2
4
ppm/°C typ
15
ppm/°C max
Power Supply Rejection
85
dB typ
External Reference
External REFIN Voltage
2.5
V nom
REFIN = REFIN(+)
REFIN()
Reference Voltage Range2
0.1
V min
AVDD
V max
When VREF = AVDD, the differential input must be
limited to 0.9 × VREF /gain if the in-amp is active
Absolute REFIN Voltage Limits2
GND
30 mV
V min
AVDD + 30 mV
V max
Average Reference Input Current
400
nA/V typ
Average Reference Input Current
Drift
±0.03
nA/V/°C typ
Normal Mode Rejection
Same as for analog inputs
Common-Mode Rejection
100
dB typ
EXCITATION CURRENT SOURCES
(IEXC1 and IEXC2)
Output Current
10/210/1000
μA nom
Initial Tolerance at 25°C
±5
% typ
Drift
200
ppm/°C typ
Current Matching
±0.5
% typ
Matching between IEXC1 and IEXC2; VOUT = 0 V
Drift Matching
50
ppm/°C typ
Line Regulation (VDD)
2
%/V typ
AVDD = 5 V ± 5%
Load Regulation
0.2
%/V typ
Output Compliance
AVDD
0.65
V max
10 μA or 210 μA currents selected
AVDD
1.1
V max
1 mA currents selected
GND
30 mV
V min
TEMPERATURE SENSOR
Accuracy
Sensitivity
±2
0.81
°C typ
mV/°C typ
Applies if user calibrates the temperature
sensor
BIAS VOLTAGE GENERATOR
VBIAS
AVDD/2
V nom
VBIAS Generator Start-Up Time
ms/nF typ
Dependent on the capacitance on the AIN pin
INTERNAL/EXTERNAL CLOCK
Internal Clock
Frequency2
64 ± 3%
kHz min/max
Duty Cycle
50:50
% typ
External Clock
Frequency
64
kHz nom
A 128 kHz external clock can be used if the
divide-by-2 function is used
(Bit CLK1 = CLK0 = 1)
Duty Cycle
45:55 to 55:45
% typ
Applies for external 64 kHz clock; a 128 kHz
clock can have a less stringent duty cycle
LOGIC INPUTS
VINL, Input Low Voltage
0.8
V max
DVDD = 5 V
VINH, Input High Voltage
0.4
2.0
V max
V min
DVDD = 3 V
DVDD = 3 V or 5 V
相关PDF资料
PDF描述
AD7794BRU IC ADC 24BIT 6CH LP 24-TSSOP
AD7797BRUZ-REEL IC ADC 24BIT SIG-DEL 1CH 16TSSOP
AD7799BRU IC ADC 24BIT 3CH LP 16-TSSOP
AD7801BRU IC DAC 8BIT PARALLEL INP 20TSSOP
AD7810YR IC ADC 10BIT 2.7V 8-SOIC
相关代理商/技术参数
参数描述
AD7793BRU-REEL 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 470sps 24-bit Serial 16-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL DELTA-SIGMA 0.47KSPS 24BIT SERL 16TSSOP - Tape and Reel
AD7793BRUZ 功能描述:IC ADC 24BIT SIG-DEL 3CH 16TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率(每秒):1M 数据接口:串行,SPI? 转换器数目:1 功率耗散(最大):- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘(4x4) 包装:Digi-Reel® 输入数目和类型:8 个单端,单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6
AD7793BRUZ1 制造商:AD 制造商全称:Analog Devices 功能描述:3-Channel, Low Noise, Low Power, 16-/24-Bit ?£-?? ADC with On-Chip In-Amp and Reference
AD7793BRUZ-REEL 功能描述:IC ADC 24BIT 3CH LP 16-TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:16 采样率(每秒):45k 数据接口:串行 转换器数目:2 功率耗散(最大):315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC(0.295",7.50mm 宽) 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端,单极
AD7793BRUZ-REEL1 制造商:AD 制造商全称:Analog Devices 功能描述:3-Channel, Low Noise, Low Power, 16-/24-Bit ?£-?? ADC with On-Chip In-Amp and Reference