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AD7193BCPZ PDF预览

AD7193BCPZ

更新时间: 2024-01-30 12:51:30
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
56页 742K
描述
4-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA

AD7193BCPZ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:ROHS COMPLIANT, MO-153AE, TSSOP-28针数:28
Reach Compliance Code:unknown风险等级:5.72
最大模拟输入电压:5 V最小模拟输入电压:-5 V
转换器类型:ADC, DELTA-SIGMAJESD-30 代码:R-PDSO-G28
JESD-609代码:e3长度:9.7 mm
最大线性误差 (EL):湿度敏感等级:NOT APPLICABLE
模拟输入通道数量:4位数:24
功能数量:1端子数量:28
最高工作温度:105 °C最低工作温度:-40 °C
输出位码:BINARY, OFFSET BINARY输出格式:SERIAL
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260采样速率:0.0048 MHz
座面最大高度:1.2 mm标称供电电压:5 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:4.4 mm
Base Number Matches:1

AD7193BCPZ 数据手册

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4-Channel, 4.8 kHz, Ultralow Noise,  
24-Bit Sigma-Delta ADC with PGA  
AD7193  
Temperature measurement  
FEATURES  
Flow measurement  
Weigh scales  
°hromatography  
Medical and scientific instrumentation  
Fast settling filter option  
4 differential/8 pseudo differential input channels  
RMS noise: 11 nV @ 4.7 Hz (gain = 128)  
15.5 noise-free bits @ 2.4 kHz (gain = 128)  
Up to 22 noise-free bits (gain = 1)  
Offset drift: 5 nV/ꢀ°  
GENERAL DES°RIPTION  
The AD7193 is a low noise, complete analog front end for high  
precision measurement applications. It contains a low noise,  
24-bit sigma-delta (Σ-Δ) analog-to-digital converter (ADC).  
The on-chip low noise gain stage means that signals of small  
amplitude can interface directly to the ADC.  
Gain drift: 1 ppm/ꢀ°  
Specified drift over time  
Automatic channel sequencer  
Programmable gain (1 to 128)  
Output data rate: 4.7 Hz to 4.8 kHz  
Internal or external clock  
Simultaneous 50 Hz/60 Hz rejection  
4 general-purpose digital outputs  
Power supply  
AVDD: 3 V to 5.25 V  
DVDD: 2.7 V to 5.25 V  
°urrent: 4.65 mA  
Temperature range: −40ꢀ° to +105ꢀ°  
Package: 28-lead TSSOP  
The device can be configured to have four differential inputs or  
eight pseudo differential inputs. The on-chip channel sequencer  
allows several channels to be enabled simultaneously, and the  
AD7193 sequentially converts on each enabled channel. This  
simplifies communication with the part. The on-chip 4.92 MHz  
clock can be used as the clock source to the ADC or, alternatively,  
an external clock or crystal can be used. The output data rate  
from the part can be varied from 4.7 Hz to 4.8 kHz.  
The device has a very flexible digital filter, including a fast  
settling option. Variables such as output data rate and settling  
time are dependent on the option selected. For applications that  
require all conversions to be settled, the AD7193 includes zero  
latency.  
Interface  
3-wire serial  
SPI, QSPI™, MI°ROWIRE™, and DSP compatible  
Schmitt trigger on S°LK  
APPLI°ATIONS  
The part operates with a power supply from 3 V to 5.25 V. It  
consumes a current of 4.65 mA and it is housed in a 28-lead  
TSSOP package.  
PL°/D°S analog input modules  
Data acquisition  
Strain gage transducers  
Pressure measurement  
FUN°TIONAL BLO°K DIAGRAM  
AV  
AGND  
DV  
DGND  
REFIN1(+) REFIN1(–)  
DD  
DD  
AD7193  
AIN1  
AIN2  
AIN3  
DOUT/RDY  
AIN4  
AIN5  
AIN6  
AIN7  
AIN8  
SERIAL  
INTERFACE  
AND  
CONTROL  
LOGIC  
MUX  
DIN  
Σ-Δ  
ADC  
PGA  
SCLK  
CS  
AINCOM  
SYNC  
TEMP  
SENSOR  
P3  
P2  
BPDSW  
CLOCK  
CIRCUITRY  
AGND  
MCLK1 MCLK2  
P0/REFIN2(–) P1/REFIN2(+)  
Figure 1.  
Rev. A  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2009 Analog Devices, Inc. All rights reserved.  
 

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