Datasheet > HI7190_06

HI7190_06

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
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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HI7190_06 数据手册

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”

MODE

SYNC

SCLK

SDO

- Technical Brief, TB329 “Intersil Sigma Delta Calibration

Technique”

SDIO

18 RESET

17 OSC

16 OSC

- Application Note, AN9505 “Using the HI7190 Evaluation

Kit”

DRDY

DGND

15 DV

- Technical Brief, TB331 “Using the HI7190 Serial

Interface”

AGND

13 AV

RLO

- Application Note, AN9527 “Interfacing HI7190 to a

Microcontroller”

RHI

INHI

11 V

INLO

- 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.

All other trademarks mentioned are the property of their respective owners.

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与HI7190_06相关器件

型号	品牌	获取价格	描述	数据表
HI7190EVAL	INTERSIL	获取价格	null24-Bit, High Precision, Sigma Delta A/D Converter
HI7190IB	INTERSIL	获取价格	null24-Bit, High Precision, Sigma Delta A/D Converter
HI7190IBZ	INTERSIL	获取价格	24-Bit, High Precision, Sigma Delta A/D Converter
HI7190IBZ-T	INTERSIL	获取价格	24-Bit, High Precision, Sigma Delta A/D Converter
HI7190IJ	RENESAS	获取价格	24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, CDIP20
HI7190IP	INTERSIL	获取价格	null24-Bit, High Precision, Sigma Delta A/D Converter
HI7190IPZ	INTERSIL	获取价格	24-Bit, High Precision, Sigma Delta A/D Converter
HI7191	INTERSIL	获取价格	24-Bit, High Precision, Sigma Delta A/D Converter
HI7191	RENESAS	获取价格	24-Bit, High Precision, Sigma Delta A/D Converter
HI7191_06	INTERSIL	获取价格	24-Bit, High Precision, Sigma Delta A/D Converter

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