TLC1542_13 Datasheet, PDF (2/33 Pages) Texas Instruments – 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS

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.
T_A
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 kΩ TYP
A0 −A10
C_i = 60 pF TYP
(equivalent input
capacitance)
INPUT CIRCUIT IMPEDANCE DURING HOLD MODE
A0 −A10
5 MΩ TYP
2
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