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TLC7528 PDF预览

TLC7528

更新时间: 2024-09-13 22:01:51
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
17页 248K
描述
DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS

TLC7528 数据手册

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TLC7528C, TLC7528E, TLC7528I  
DUAL 8-BIT MULTIPLYING  
DIGITAL-TO-ANALOG CONVERTERS  
SLAS062B – JANUARY 1987 – REVISED MARCH 2000  
DW OR N PACKAGE  
(TOP VIEW)  
Easily Interfaced to Microprocessors  
On-Chip Data Latches  
Monotonic Over the Entire A/D Conversion  
Range  
AGND  
OUTA  
RFBA  
REFA  
DGND  
OUTB  
RFBB  
REFB  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
Interchangeable With Analog Devices  
AD7528 and PMI PM-7528  
V
DD  
WR  
CS  
DB0 (LSB)  
DB1  
DB2  
Fast Control Signaling for Digital Signal  
Processor (DSP) Applications Including  
Interface With TMS320  
DACA/DACB  
(MSB) DB7  
DB6  
Voltage-Mode Operation  
CMOS Technology  
DB5  
DB4  
DB3  
KEY PERFORMANCE SPECIFICATIONS  
FN PACKAGE  
(TOP VIEW)  
Resolution  
Linearity Error  
Power Dissipation at V  
Settling Time at V  
8 bits  
1/2 LSB  
20 mW  
100 ns  
80 ns  
= 5 V  
DD  
= 5 V  
DD  
Propagation Delay Time at V  
= 5 V  
DD  
3
2 1 20 19  
REFB  
description  
REFA  
4
DGND  
5
18  
17  
16  
15  
14  
V
DD  
The TLC7528C, TLC7528E, and TLC7528I are  
dual, 8-bit, digital-to-analog converters designed  
with separate on-chip data latches and feature  
exceptionally close DAC-to-DAC matching. Data  
is transferred to either of the two DAC data latches  
through a common, 8-bit, input port. Control input  
DACA/DACB determines which DAC is to be  
loaded. The load cycle of these devices is similar  
WR  
DACA/DACB  
6
7
8
CS  
(MSB) DB7  
DB6  
DB0 (LSB)  
9 10 11 12 13  
to the write cycle of a random-access memory, allowing easy interface to most popular microprocessor buses  
and output ports. Segmenting the high-order bits minimizes glitches during changes in the most significant bits,  
where glitch impulse is typically the strongest.  
These devices operate from a 5-V to 15-V power supply and dissipates less than 15 mW (typical). The 2- or  
4-quadrant multiplying makes these devices a sound choice for many microprocessor-controlled gain-setting  
and signal-control applications. It can be operated in voltage mode, which produces a voltage output rather than  
a current output. Refer to the typical application information in this data sheet.  
The TLC7528C is characterized for operation from 0°C to 70°C. The TLC7528I is characterized for operation  
from 25°C to 85°C. The TLC7528E is characterized for operation from 40°C to 85°C.  
AVAILABLE OPTIONS  
PACKAGE  
T
A
SMALL OUTLINE  
(DW)  
CHIP CARRIER  
(FN)  
PLASTIC DIP  
(N)  
0°C to 70°C  
25°C to 85°C  
40°C to 85°C  
TLC7528CDW  
TLC7528IDW  
TLC7528EDW  
TLC7528CFN  
TLC7528IFN  
TLC7528EFN  
TLC7528CN  
TLC7528IN  
TLC7528EN  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 2000, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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