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參數(shù)資料
| 型號(hào)： | ICL7134UJIJI |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | DAC |
| 英文描述： | LED; BI-LEVEL; BI-COLOR ,1.8V |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 1 us SETTLING TIME, 14-BIT DAC, CDIP28 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大小： | 773K |
| 代理商： | ICL7134UJIJI |
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1
December 1997
ICL7134
14-Bit Multiplying
Microprocessor-Compatible D/A Converter
Features
14-Bit Linearity (0.003% FSR)
No Gain Adjustment Necessary
Microprocessor-Compatible with Double Buffered
Inputs
Bipolar Application Requires No Extra Adjustments or
External Resistors
Low Linearity and Gain Temperature Coefficients
Low Power Dissipation
Full Four-Quadrant Multiplication
883B Processed Versions Available
Description
The ICL7134 combines a four-quadrant multiplying DAC
using thin film resistor and CMOS circuitry with an on-chip
PROM-controlled correction circuit to achieve true 14-bit
linearity without laser trimming.
Microprocessor bus interfacing is eased using standard
memory WRITE cycle timing and control signal use. Two
input buffer registers are separately loaded with the 8 least
significant bits (LS register) and the 6 most significant bits
(MS register). Their contents are then transferred to the
14-bit DAC register, which controls the current switches. The
DAC register can also be loaded directly from the data
inputs, in which case the MS and LS registers are
transparent.
The ICL7134 is available in two versions. The ICL7134U is
programmed for unipolar operation while the ICL7134B is
programmed for bipolar applications. The V
REF
input to the
most significant bit of the DAC is separated from the
reference input to the remainder of the ladder. For unipolar
use, the two reference inputs are tied together, while for
bipolar operation, the polarity of the MSB reference is
reversed, giving the DAC a true 2’s complement input
transfer function. Two resistors which facilitate the reference
inversion are included on the chip, so only an external
op-amp is needed. The PROM is coded to correct for errors
in these resistors as well as the inversion of the MSB.
Ordering Information
NON-LINEARITY AT 25
o
C
TEMPERATURE RANGE (
o
C)
PACKAGE
0 to 70
-25 to 85
-55 to 125
BIPOLAR VERSIONS
0.01% (12-bit)
ICL7134BJCJI
ICL7134BJIJI
ICL7134BJMJI
28 Ld CERDIP
0.006% (13-bit)
ICL7134BKCJI
ICL7134BKIJI
ICL7134BKMJI
28 Ld CERDIP
0.003% (14-bit)
ICL7134BLCJI
ICL7134BLIJI
ICL7134BLMJI
28 Ld CERDIP
UNIPLAR VERSIONS
0.01% (12-bit)
ICL7134UJCJI
ICL7134UJIJI
ICL7134UJMJI
28 Ld CERDIP
0.006% (13-bit)
ICL7134UKCJI
ICL7134UKIJI
ICL7134UKMJI
28 Ld CERDIP
0.003% (14-bit)
ICL7134ULCJI
ICL7134ULIJI
ICL7134ULMJI
28 Ld CERDIP
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2002. All Rights Reserved
File Number
3113.1
NOT RECOMMENDED FOR NEW DESIGNS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ICL7134UJMJI | 14-Bit Multiplying Microprocessor-Compatible D/A Converter |
| ICL7134BJIJI | 14-Bit Multiplying Microprocessor-Compatible D/A Converter |
| ICL7134BJMJI | 14-Bit Multiplying Microprocessor-Compatible D/A Converter |
| ICL7134BKCJI | 14-Bit Multiplying Microprocessor-Compatible D/A Converter |
| ICL7134BKIJI | 14-Bit Multiplying Microprocessor-Compatible D/A Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICL7134UKCJ1 | 制造商:Harris Corporation 功能描述: |
| ICL7134UKCJI | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ICL7134ULCJI | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ICL7134ULIJI | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ICL7134WKCJI | 制造商:Harris Corporation 功能描述: |
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