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TLC1543 Datasheet Preview

TLC1543 Datasheet

10-BIT ANALOG-TO-DIGITAL CONVERTERS

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TLC1542I, TLC1542M, TLC1542Q
TLC1542C, TLC1543C, TLC1543I, TLC1543Q
www.ti.com
SLAS052G – MARCH 1992 – REVISED JANUARY 2006
10-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
FEATURES
10-Bit Resolution A/D Converter
11 Analog Input Channels
Three Built-In Self-Test Modes
Inherent Sample-and-Hold Function
Total Unadjusted Error: ±1LSB Max
On-Chip System Clock
End-of-Conversion (EOC) Output
Terminal Compatible With TLC542
CMOS Technology
DESCRIPTION
The TLC1542C, TLC1542I, TLC1542M, TLC1542Q,
TLC1543C, TLC1543I, and TLC1543Q are CMOS
10-bit switched-capacitor successive-approximation
analog-to-digital converters. These devices have
three inputs and 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. These devices allow high-speed data
transfers from the host.
In addition to a high-speed A/D converter and
versatile control capability, these devices 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 A/D conversion, the
end-of-conversion (EOC) output goes high to
indicate that conversion is complete. The converter
incorporated in the devices 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.
DB, DW, J, OR N 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
FK OR FN PACKAGE
(TOP VIEW)
A3
3 2 1 20 19
4
18
I/O CLOCK
A4 5
17 ADDRESS
A5 6
16 DATA OUT
A6 7
15 CS
A7 8
14 REF +
9 10 11 12 13
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 1992–2006, Texas Instruments Incorporated




etcTI

TLC1543 Datasheet Preview

TLC1543 Datasheet

10-BIT ANALOG-TO-DIGITAL CONVERTERS

No Preview Available !

TLC1542I, TLC1542M, TLC1542Q
TLC1542C, TLC1543C, TLC1543I, TLC1543Q
SLAS052G – MARCH 1992 – REVISED JANUARY 2006
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
TA
0°C to 70°C
-40°C to 85°C
-40°C to 125°C
-55°C to 125°C
SMALL
OUTLINE
(DB)
TLC1543CDB
TLC1543IDB
TLC1543QDB
AVAILABLE OPTIONS
PACKAGE
SMALL OUTLINE
(DW)
CHIP CARRIER PLASTIC DIP
(FN)
(N)
TLC1542CDW
TLC1543CDW
TLC1542IDW
TLC1543IDW
TLC1543QDW
TLC1542CFN
TLC1543CFN
TLC1542IFN
TLC1543IFN
TLC1542QFN
TLC1543QFN
TLC1542CN
TLC1543CN
TLC1542IN
TLC1543IN
CHIP CARRIER
(FK)
TLC1542MFK
CERAMIC DIP
(J)
TLC1542MJ
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
FUNCTIONAL BLOCK DIAGRAM
REF+
14
REF −
13
Sample and
Hold
10-Bit
Analog-to-Digital
Converter
(switched capacitors)
10
4 Input Address
Register
Output
10
Data
Register
3
17
ADDRESS
Self-Test
Reference
System Clock,
Control Logic,
and I/O
Counters
10-to-1 Data
Selector and
Driver
16 DATA
OUT
4
19
EOC
18
I/O CLOCK
15
CS
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
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Part Number TLC1543
Description 10-BIT ANALOG-TO-DIGITAL CONVERTERS
Maker etcTI
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TLC1543 Datasheet PDF






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