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| 型号： | HI7131 |
| 厂商： | Intersil Corporation |
| 元件分类： | 串行ADC |
| 英文描述： | 3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| 中文描述： | 3 1 / 2位，低功耗，高CMRR，液晶/ LED显示型的A / D转换器 |
| 文件页数： | 1/21页 |
| 文件大小： | 209K |
| 代理商： | HI7131 |
3-1826
August 1997
HI7131, HI7133
3
1
/
2
Digit, Low Power, High CMRR,
LCD/LED Display-Type A/D Converters
Features
120dB CMRR Equal to
±
0.01 Count/V of Common
Mode Voltage Error
Fast Recovery from Input Overrange Results “Correct
First-Reading” After Overload
Guaranteed 0000 Reading for 0V Input
True Polarity at Zero for Precise Null Detection
1pA Input Current (Typ)
True Differential Input and Reference
Single or Dual Supply Operation Capability
Direct LCD Display Drive - HI7131
Direct LED Display Drive - HI7133
Low Noise, 15
μ
V
P-P
Without Hysteresis or Overrange
Hangover
Low Power Dissipation, Guaranteed Less Than 1mW,
Results 8000 Hours (Typ) 9V Battery Life
No Additional Active Components Required
Applications
Handheld Instruments
Basic Measurements: Voltage, Current, Resistance
Pressure, Temperature, Fluid Flow and Level, pH,
Weight, Light Intensity
DMMs and DPMs
Description
The Intersil HI7131 and HI7133 are 3
1
/
2
digit, A/D convert-
ers that have been optimized for superior DC Common
Mode Rejection (CMRR) when used with a split
±
5V supply
or a single 9V battery. The HI7131 contains all the neces-
sary active components on a single IC to directly interface an
LCD (Liquid Crystal Display). The supply current is under
100
μ
A and is ideally suited for battery operation. The HI7133
contains all the necessary active components on a single IC
to directly interface an LED (Light Emitting Diode).
The HI7131 and HI7133 feature high accuracy performance
like, 120dB of CMRR, auto-zero to less than 10
μ
V of offset,
fast recovery from over load, zero drift of less than 1
μ
V/
o
C,
input bias current of 10pA maximum, and rollover error of
less than one count. A true differential signal and reference
inputs are useful features in all systems, but gives the
designer an advantage when measuring load cells, strain
gauges and other bridge-type transducers.
The HI7131 and HI7133 are supplied in a 40 lead plastic DIP
and a 44 lead metric plastic quad flatpack package.
Ordering Information
PART NO.
TEMP.
RANGE (
o
C)
PACKAGE
PKG. NO.
HI7131CPL
0 to 70
40 Ld PDIP
E40.6
HI7131CM44
0 to 70
44 Ld MQFP
Q44.10x10
HI7133CPL
0 to 70
40 Ld PDIP
E40.6
HI7133CM44
0 to 70
44 Ld MQFP
Q44.10x10
File Number
3373.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
Intersil Corporation 1999
相关PDF资料 |
PDF描述 |
|---|---|
| HI7131CM44 | 3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| HI7131CPL | 3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| HI7133 | 3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| HI7133CM44 | 3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| HI7133CPL | Power Resistor; Series:200; Resistance:4.5kohm; Resistance Tolerance: 5%; Power Rating:8W; Resistor Element Material:Ceramic; Temperature Coefficient:260 ppm; Leaded Process Compatible:No; Packaging:Bulk RoHS Compliant: No |
相关代理商/技术参数 |
参数描述 |
|---|---|
| HI7131_02 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| HI7131CM44 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: |
| HI7131CM44S2324 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: |
| HI7131CPL | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| HI7133 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
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