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TLC0820ACI PDF预览

TLC0820ACI

更新时间: 2024-11-26 04:49:11
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
13页 191K
描述
Advanced LinCMOS TM HIGH-SPEED 8-BIT ANALOG-TO-DIGITAL CONVERTERS USING MODIFIED FLASH TECHNIQUES

TLC0820ACI 数据手册

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TLC0820AC, TLC0820AI  
Advanced LinCMOS HIGH-SPEED 8-BIT ANALOG-TO-DIGITAL  
CONVERTERS USING MODIFIED FLASH TECHNIQUES  
SLAS064A – SEPTEMBER 1986 – REVISED JUNE 1994  
Advanced LinCMOS Silicon-Gate  
Technology  
DB, DW, OR N PACKAGE  
(TOP VIEW)  
8-Bit Resolution  
Differential Reference Inputs  
Parallel Microprocessor Interface  
ANLG IN  
(LSB) D0  
D1  
D2  
D3  
WR/RDY  
MODE  
RD  
V
CC  
NC  
OFLW  
D7 (MSB)  
D6  
D5  
D4  
CS  
REF+  
REF–  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
Conversion and Access Time Over  
Temperature Range  
Read Mode . . . 2.5 µs Max  
No External Clock or Oscillator  
Components Required  
On-Chip Track and Hold  
Single 5-V Supply  
INT  
GND  
TLC0820A Is Direct Replacement for  
National Semiconductor ADC0820C/CC and  
Analog Devices AD7820K/B/T  
FN PACKAGE  
(TOP VIEW)  
description  
The TLC0820AC and the TLC0820AI are  
Advanced LinCMOS 8-bit analog-to-digital  
converters each consisting of two 4-bit flash  
converters, a 4-bit digital-to-analog converter, a  
summing (error) amplifier, control logic, and a  
result latch circuit. The modified flash technique  
allows low-power integrated circuitry to complete  
an 8-bit conversion in 1.18 µs over temperature.  
The on-chip track-and-hold circuit has a 100-ns  
sample window and allows these devices to  
convert continuous analog signals having slew  
rates of up to 100 mV/µs without external  
sampling components. TTL-compatible 3-state  
output drivers and two modes of operation allow  
3
2
1
20 19  
18  
OFLW  
D2  
D3  
4
5
6
7
8
D7 (MSB)  
17  
16  
15  
14  
D6  
D5  
D4  
WR/RDY  
MODE  
RD  
9 10 11 12 13  
NCNo internal connection  
interfacing to a variety of microprocessors. Detailed information on interfacing to most popular microprocessors  
is readily available from the factory.  
AVAILABLE OPTIONS  
PACKAGE  
TOTAL  
UNADJUSTED  
ERROR  
PLASTIC  
SMALL OUTLINE  
(DW)  
PLASTIC  
CHIP CARRIER  
(FN)  
T
A
SSOP  
(DB)  
PLASTIC DIP  
(N)  
0°C to 70°C  
±1 LSB  
±1 LSB  
TLC0820ACDB TLC0820ACDW  
TLC0820AIDW  
TLC0820ACFN  
TLC0820AIFN  
TLC0820ACN  
TLC0820AIN  
40°C to 85°C  
Advanced LinCMOS is a trademark of Texas Instruments Incorporated.  
Copyright 1994, 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.  
2–1  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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