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TLC1542-EP Datasheet Preview

TLC1542-EP Datasheet

10-Bit Analog-to-Digital Converters

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TLC1542ĆEP, TLC1543ĆEP
10ĆBIT ANALOGĆTOĆDIGITAL CONVERTERS WITH
SERIAL CONTROL AND 11 ANALOG INPUTS
SGLS152A − JANUARY 2004 − REVISED FEBRUARY 2006
D Controlled Baseline
− One Assembly/Test Site, One Fabrication
Site
D Extended Temperature Performance of
−40°C to 125°C
D Enhanced Diminishing Manufacturing
Sources (DMS) Support
D Enhanced Product Change Notification
D Qualification Pedigree
D 10-Bit Resolution A/D Converter
D 11 Analog Input Channels
D Three Built-In Self-Test Modes
D Inherent Sample-and-Hold Function
D Total Unadjusted Error . . . ± 1 LSB Max
D On-Chip System Clock
D End-of-Conversion (EOC) Output
D Terminal Compatible With TLC542
D CMOS Technology
DW PACKAGE
(TOP VIEW)
A0 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
20 VCC
19 EOC
18 I/O CLOCK
17 ADDRESS
16 DATA OUT
15 CS
14 REF +
13 REF −
12 A10
11 A9
description
The TLC1542-EP and TLC1543-EP are CMOS 10-bit switched-capacitor successive-approximation
analog-to-digital converters. These devices have three inputs, a 3-state output chip select (CS), input/output
clock (I/O CLOCK), address input (ADDRESS), and data output (DATA OUT)] that provide a direct 4-wire
interface to the serial port of a host processor. The TLC1542-EP and TLC1543-EP allow high-speed data
transfers from the host.
In addition to a high-speed A /D converter and versatile control capability, the TLC1542-EP and TLC1543-EP
have an on-chip 14-channel multiplexer that can select any one of 11 analog inputs or any one of three internal
self-test voltages. The sample-and-hold function is automatic. At the end of the A /D conversion, the
end-of-conversion (EOC) output goes high to indicate that conversion is complete. The converter incorporated
in the TLC1542-EP and TLC1543-EP features differential high-impedance reference inputs that facilitate
ratiometric conversion, scaling, and isolation of analog circuitry from logic and supply noise. A
switched-capacitor design allows low-error conversion over the full operating free-air temperature range.
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.
Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range.
This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST,
electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this
component beyond specified performance and environmental limits.
This document contains information on products in more than one phase
of development. The status of each device is indicated on the page(s)
specifying its electrical characteristics.
Copyright 2006, Texas Instruments Incorporated
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
1




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TLC1542-EP Datasheet Preview

TLC1542-EP Datasheet

10-Bit Analog-to-Digital Converters

No Preview Available !

TLC1542ĆEP, TLC1543ĆEP
10ĆBIT ANALOGĆTOĆDIGITAL CONVERTERS WITH
SERIAL CONTROL AND 11 ANALOG INPUTS
SGLS152A − JANUARY 2004 − REVISED FEBRUARY 2006
AVAILABLE OPTIONS
PACKAGE
TA
SMALL OUTLINE
(DW)
−40°C to 125°C
TLC1542QDWREP{
TLC1543QDWREP
This part number is in the product preview stage
of development.
functional block diagram
A0 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
A9 11
A10 12
14-Channel
Analog
Multiplexer
Sample and
Hold
4 Input Address
Register
REF+
14
REF −
13
10-Bit
Analog-to-Digital
Converter
(Switched Capacitors)
10
Output
10
Data
Register
3
17
ADDRESS
18
I/O CLOCK
15
CS
Self-Test
Reference
System
Clock,
Control Logic,
and I/O
Counters
10-to-1 Data
Selector and
Driver
16 DATA
OUT
4
19
EOC
typical equivalent inputs
INPUT CIRCUIT IMPEDANCE DURING SAMPLING MODE
1 kTYP
A0 −A10
Ci = 60 pF TYP
(equivalent input
capacitance)
INPUT CIRCUIT IMPEDANCE DURING HOLD MODE
A0 −A10
5 MTYP
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number TLC1542-EP
Description 10-Bit Analog-to-Digital Converters
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