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HI7190IBZ

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PC
页数 文件大小 规格书
25页 472K
描述
24-Bit, High Precision, Sigma Delta A/D Converter

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HI7190IBZ 数据手册

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HI7190  
®
Data Sheet  
June 27, 2006  
FN3612.10  
24-Bit, High Precision, Sigma Delta A/D  
Converter  
Features  
• 22-Bit Resolution with No Missing Code  
• 0.0007% 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 HI7190 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 specifications.  
• 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 HI7190 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  
• Additional Reference Literature  
Pinout  
HI7190  
20 LD SOIC, PDIP  
TOP VIEW  
- Technical Brief, TB348 “HI7190/1 Negative Full Scale  
Error vs Conversion Frequency”  
- Application Note, AN9504 “A Brief Intro to Sigma Delta  
Conversion”  
1
2
MODE  
SYNC  
20  
19  
SCLK  
SDO  
- Technical Brief, TB329 “Intersil Sigma Delta Calibration  
Technique”  
SDIO  
CS  
3
18 RESET  
4
17 OSC  
16 OSC  
1
2
- Application Note, AN9505 “Using the HI7190 Evaluation  
Kit”  
DRDY  
DGND  
5
6
15 DV  
DD  
- Technical Brief, TB331 “Using the HI7190 Serial  
Interface”  
AV  
V
7
14  
AGND  
SS  
8
13 AV  
DD  
RLO  
- Application Note, AN9527 “Interfacing HI7190 to a  
Microcontroller”  
9
12  
V
V
RHI  
INHI  
V
10  
11 V  
INLO  
CM  
- Application Note, AN9532 “Using HI7190 in a  
Multiplexed System”  
- Application Note, AN9601 “Using HI7190 with a Single  
+5V Supply”  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2003, 2005-2006. All Rights Reserved.  
1
All other trademarks mentioned are the property of their respective owners.  
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HI7190IBZ 替代型号

型号 品牌 替代类型 描述 数据表
HI7190IBZ-T INTERSIL

完全替代

 24-Bit, High Precision, Sigma Delta A/D Converter
HI7190IB INTERSIL

完全替代

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

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HI7191 RENESAS

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HI7191_06 INTERSIL

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HI7191IB INTERSIL

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HI7191IB-T RENESAS

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 		1-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO20, PLASTIC, MS-013-AC, SOIC-20
HI7191IBZ INTERSIL

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

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