TLC2543-Q1 Datasheet, PDF (5/24 Pages) Texas Instruments – 12-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS

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TLC2543ĆQ1
12ĆBIT ANALOGĆTOĆDIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SGLS218B − NOVEMBER 2003 − REVISED NOVEMBER 2004
electrical characteristics over recommended operating free-air temperature range,
V_CC = V_ref+ = 4.5 V to 5.5 V, f_{(I/O CLOCK)} = 4.1 MHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP†
VOH
High-level output voltage
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
IOH = −1.6 mA
IOH = −20 µA
2.4
VCC −0.1
VOL
Low-level output voltage
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
IOL = 1.6 mA
IOL = 20 µA
High-impedance off-state output ^{VO = VCC,}
CS at VCC
1
IOZ
current
VO = 0,
CS at VCC
1
TA = −40°C to 85°C
0.5
IIH
High-level input current
VI = VCC
TA = 125°C
IIL
Low-level input current
VI = 0
TA = −40°C to 85°C
0.5
TA = 125°C
ICC
Operating supply current
CS at 0 V
1
ICC(PD) Power-down current
For all digital inputs, 0 ≤ VI ≤ 0.5 V or VI ≥ VCC − 0.5 V
4
Selected channel leakage
current
Selected channel at VCC,
Unselected channel at 0 V
Selected channel at 0 V,
Unselected channel at VCC
TA = −40°C to 85°C
TA = 125°C
TA = −40°C to 85°C
TA = 125°C
Maximum static analog
reference current into REF +
Vref ₊ = VCC,
Vref _− = GND
1
Ci
Input
capacitance
Analog inputs
Control inputs
30
5
† _{All typical values are at VCC = 5 V, TA = 25°C.}
MAX
0.4
0.1
2.5
−2.5
1
10
−1
−10
2.5
25
1
10
−1
− 10
2.5
60
15
UNIT
V
V
µA
µA
µA
mA
µA
µA
µA
pF
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