TLC545C_13 Datasheet, PDF (6/15 Pages) Texas Instruments – 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 19 INPUTS

TLC545C, TLC545I, TLC546C, TLC546I
8-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 19 INPUTS
SLAS066B – DECEMBER 1985 – REVISED OCTOBER 1996
electrical characteristics over recommended operating temperature range,
V_CC = V_ref+ = 4.75 V to 5.5 V, f_clock(I/O) = 2.048 MHz for TLC545 or f_clock(I/O) = 1.1 MHz for TLC546
(unless otherwise noted)
VOH
VOL
IOZ
IIH
IIL
ICC
PARAMETER
High-level output voltage (DATA OUT)
Low-level output voltage
Off-state (high-impedance state) ouput current
High-level input current
Low-level input current
Operating supply current
Selected channel leakage current
ICC + Iref Supply and reference current
Ci
Input capacitance
† _{All typical values are at TA = 25°C.}
Analog inputs
Control inputs
TEST CONDITIONS
VCC = 4.75 V,
VCC = 4.75 V,
VO = VCC,
VO = 0,
VI = VCC
VI = 0
CS at 0 V
IOH = – 360 µA
IOL = 3.2 mA
CS at VCC
CS at VCC
Selected channel at VCC,
Unselected channel at 0 V
Selected channel at 0 V,
Unselected channel at VCC
Vref+ = VCC,
CS at 0 V
MIN TYP†
2.4
0.005
– 0.005
1.2
0.4
– 0.4
1.3
7
5
MAX
0.4
10
– 10
2.5
– 2.5
2.5
UNIT
V
V
µA
µA
µA
mA
1
µA
–1
3 mA
55
pF
15
6
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