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HI7191IBZ-T

更新时间： 2024-11-12 03:41:51
品牌 Logo 应用领域
英特矽尔 - INTERSIL 转换器光电二极管
页数 文件大小 规格书
25页 625K
描述
24-Bit, High Precision, Sigma Delta A/D Converter

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HI7191IBZ-T 数据手册

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HI7191  
®
Data Sheet  
June 1, 2006  
FN4138.8  
24-Bit, High Precision, Sigma Delta A/D  
Converter  
Features  
• 20-Bit Resolution with No Missing Code  
• 0.0015% Integral Non-Linearity (Typ)  
• 20mV to ±2.5V Full Scale Input Ranges  
• Internal PGIA with Gains of 1 to 128  
• Serial Data I/O Interface, SPI Compatible  
• Differential Analog and Reference Inputs  
• Internal or System Calibration  
The Intersil HI7191 is a monolithic instrumentation, sigma  
delta A/D converter which operates from ±5V supplies. Both  
the signal and reference inputs are fully differential for  
maximum flexibility and performance. An internal  
Programmable Gain Instrumentation Amplifier (PGIA)  
provides input gains from 1 to 128 eliminating the need for  
external pre-amplifiers. The on-demand converter  
auto-calibrate function is capable of removing offset and gain  
errors existing in external and internal circuitry. The on-board  
user programmable digital filter provides over 120dB of  
60/50Hz noise rejection and allows fine tuning of resolution  
and conversion speed over a wide dynamic range. The  
HI7190 and HI7191 are functionally the same device, but the  
HI7190 has tighter linearity specs.  
• 120dB Rejection of 60/50Hz Line Noise  
• Settling Time of 4 Conversions (Max) for a Step Input  
• Pb-Free Plus Anneal Available (RoHS Compliant)  
Applications  
The HI7191 contains a serial I/O port and is compatible with  
most synchronous transfer formats including both the  
Motorola 6805/11 series SPI and Intel 8051 series SSR  
protocols. A sophisticated set of commands gives the user  
control over calibration, PGIA gain, device selection, standby  
mode, and several other features. The On-chip Calibration  
Registers allow the user to read and write calibration data.  
• Process Control and Measurement  
• Industrial Weight Scales  
• Part Counting Scales  
• Laboratory Instrumentation  
• Seismic Monitoring  
• Magnetic Field Monitoring  
Ordering Information  
TEMP.  
RANGE  
(°C)  
Related Literature  
• Technical Brief TB363 “Guidelines for Handling and  
Processing Moisture Sensitive Surface Mount Devices  
(SMDs)”  
PART  
PART  
PKG.  
DWG. #  
NUMBER  
MARKING  
PACKAGE  
HI7191IP  
HI7191IP  
-40 to 85 20 Ld PDIP  
E20.3  
HI7191IPZ  
(See Note)  
HI7191IPZ  
-40 to 85 20 Ld PDIP* E20.3  
(Pb-free)  
• TB348 “HI7190/1 Negative Full Scale Error vs  
Conversion Frequency”  
HI7191IB  
HI7191IB  
-40 to 85 20 Ld SOIC  
M20.3  
M20.3  
• AN9504 “A Brief Intro to Sigma Delta Conversion”  
• TB329 “Intersil Sigma Delta Calibration Technique”  
• AN9505 “Using the HI7190 Evaluation Kit”  
HI7191IBZ  
(See Note)  
HI7191IBZ  
-40 to 85 20 Ld SOIC  
(Pb-free)  
HI7191IBZ-T HI7191IBZ  
(See Note)  
-40 to 85 20 Ld SOIC  
Tape and Reel  
(Pb-free)  
M20.3  
• TB331 “Using the HI7190 Serial Interface”  
• AN9527 “Interfacing HI7190 to a Microcontroller”  
• AN9532 “Using HI7190 in a Multiplexed System”  
• AN9601 “Using HI7190 with a Single +5V Supply”  
HI7190EVAL Evaluation Kit  
NOTE: Intersil Pb-free plus anneal products employ special Pb-free  
material sets; molding compounds/die attach materials and 100%  
matte tin plate termination finish, which are RoHS compliant and  
compatible with both SnPb and Pb-free soldering operations. Intersil  
Pb-free products are MSL classified at Pb-free peak reflow  
temperatures that meet or exceed the Pb-free requirements of  
IPC/JEDEC J STD-020.  
*Pb-free PDIPs can be used for through hole wave solder processing  
only. They are not intended for use in Reflow solder processing  
applications.  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2003, 2005, 2006. All Rights Reserved  
All other trademarks mentioned are the property of their respective owners.  
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HI7191IBZ-T 替代型号

型号 品牌 替代类型 描述 数据表
HI7190IB INTERSIL

完全替代

 null24-Bit, High Precision, Sigma Delta A/D Converter
HI7191IBZ INTERSIL

类似代替

 24-Bit, High Precision, Sigma Delta A/D Converter

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