参数资料
型号: AD7714YRZ
厂商: Analog Devices Inc
文件页数: 29/40页
文件大小: 0K
描述: IC ADC 24BIT SIGMA-DELTA 24SOIC
标准包装: 31
位数: 24
采样率(每秒): 1k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 7mW
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: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 管件
输入数目和类型: 3 个差分,单极;3 个差分,双极;5 个伪差分,单极;5 个伪差分,双极
配用: EVAL-AD7714-3EBZ-ND - BOARD EVAL FOR AD7714
2
AD7714
REV. C
–35–
CLOCK
GENERATION
AUTO-ZEROED
MODULATOR
CHARGE BALANCING A/D
CONVERTER
DIGITAL
FILTER
AVDD
1 A
BUFFER
AVDD
SERIAL INTERFACE
REGISTER BANK
STANDBY
SYNC
MCLK IN
MCLK OUT
1 A
REF IN (+)
REF IN (–)
AGND
DGND
BUFFER
DOUT
DIN
CS
SCLK
POL
DRDY
RESET
DVDD
AD7714
DVDD
GND
+5V
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
C
VOUT
AD780
THERMOCOUPLE
JUNCTION
+5V
+VIN
A = 1–128
AGND
R
SWITCHING
MATRIX
PGA
Figure 13. Thermocouple Measurement Using the AD7714
Temperature Measurement
Another application area for the AD7714 is in temperature
measurement. Figure 13 outlines a connection from a thermo-
couple to the AD7714. In this application, the AD7714 is oper-
ated in its buffered mode to allow large decoupling capacitors
on the front end to eliminate any noise pickup which there may
have been in the thermocouple leads. When the AD7714 is
operated in buffered mode, it has a reduced common-mode
range. In order to place the differential voltage from the thermo-
couple on a suitable common-mode voltage, the AIN2 input of
the AD7714 is biased up at the reference voltage, +2.5 V.
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相关代理商/技术参数
参数描述
AD7714YRZ 制造商:Analog Devices 功能描述:IC ADC 24-BIT SIGMA DELTA
AD7714YRZ-REEL 功能描述:IC ADC 24BIT SIGMA-DELTA 24SOIC 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:12 采样率(每秒):300k 数据接口:并联 转换器数目:1 功率耗散(最大):75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC(0.295",7.50mm 宽) 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端,单极;1 个单端,双极
AD7714YRZ-REEL7 功能描述:IC ADC 24BIT SIGMA-DELTA 24SOIC 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:12 采样率(每秒):300k 数据接口:并联 转换器数目:1 功率耗散(最大):75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC(0.295",7.50mm 宽) 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端,单极;1 个单端,双极
AD7715 制造商:AD 制造商全称:Analog Devices 功能描述:3 V/5 V, 450 uA 16-Bit, Sigma-Delta ADC