TLC2543C, TLC2543I, TLC2543M
12-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS079D – DECEMBER 1993 – REVISED MAY 1997
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
VOH
VOL
IOZ
IIH
IIL
ICC
ICC(PD)
High-level
High level output voltage
Low-level
Low level output voltage
High-impedance off-state output
g
current
High-level input current
Low-level input current
Operating supply current
Power-down current
Selected channel leakage
current
Maximum static analog
reference current into REF +
Ci
Input
capacitance
Analog inputs
Control inputs
TEST CONDITIONS
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
VO = VCC,
VO = 0,
VI = VCC
VI = 0
CS at 0 V
For all digital inputs,
0
≤
VI
≤
0.5 V or VI
≥
VCC – 0.5 V
Selected channel at VCC,
Selected channel at 0 V,
Unselected channel at VCC
Vref + = VCC,
Vref – = GND
1
30
5
Unselected channel at 0 V
IOH = –1.6 mA
IOH = –20
µA
IOL = 1.6 mA
IOL = 20
µA
CS at VCC
CS at VCC
1
1
1
1
1
4
TLC2543C, TLC2543I
MIN
TYP†
MAX
2.4
VCC – 0.1
0.4
0.1
2.5
– 2.5
2.5
– 2.5
2.5
25
1
–1
2.5
60
15
µA
µA
pF
UNIT
V
V
µA
µA
µA
mA
µA
† All typical values are at VCC = 5 V, TA = 25°C.
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
VOH
VOL
IOZ
IIH
IIL
ICC
ICC(PD)
High-level
High level output voltage
Low-level
Low level output voltage
High-impedance off-state output
g
current
High-level input current
Low-level input current
Operating supply current
Power-down current
Selected channel leakage
current
Maximum static analog
reference current into REF +
Ci
Input
capacitance
Analog inputs
Control inputs
TEST CONDITIONS
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
VO = VCC,
VO = 0,
VI = VCC
VI = 0
CS at 0 V
For all digital inputs,
0
≤
VI
≤
0.5 V or VI
≥
VCC – 0.5 V
Selected channel at VCC,
Selected channel at 0 V,
Unselected channel at VCC
Vref + = VCC,
Vref – = GND
1
30
5
Unselected channel at 0 V
IOH = –1.6 mA
IOH = –20
µA
IOL = 1.6 mA
IOL = 20
µA
CS at VCC
CS at VCC
1
1
1
1
1
4
TLC2543M
MIN
TYP†
2.4
VCC – 0.1
0.4
0.1
2.5
– 2.5
10
– 10
10
25
10
– 10
2.5
60
15
µA
µA
pF
MAX
UNIT
V
V
µA
µA
µA
mA
µA
† All typical values are at VCC = 5 V, TA = 25°C.
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
5
TI [ TEXAS INSTRUMENTS ]
