Datasheet

TLC2543C, TLC2543I, TLC2543M
12-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS079F – DECEMBER 1993 – REVISED NOVEMBER 2001
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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
TLC2543C, TLC2543I
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP
†
MAX
UNIT
V
OH
High level out
p
ut voltage
V
CC
= 4.5 V, I
OH
= –1.6 mA 2.4
V
V
OH
High
-
level
output
voltage
V
CC
= 4.5 V to 5.5 V, I
OH
= –20 µA V
CC
–0.1
V
V
OL
Low level out
p
ut voltage
V
CC
= 4.5 V, I
OL
= 1.6 mA 0.4
V
V
OL
Low
-
level
output
voltage
V
CC
= 4.5 V to 5.5 V, I
OL
= 20 µA 0.1
V
I
OZ
Hi
g
h-impedance off-state output
V
O
= V
CC
, CS at V
CC
1 2.5
µA
I
OZ
g
current
V
O
= 0,
CS at V
CC
1 – 2.5
µ
A
I
IH
High-level input current V
I
= V
CC
1 2.5 µA
I
IL
Low-level input current V
I
= 0 1 – 2.5 µA
I
CC
Operating supply current CS at 0 V 1 2.5 mA
I
CC(PD)
Power-down current
For all digital inputs,
0 ≤ V
I
≤ 0.5 V or V
I
≥ V
CC
– 0.5 V
4 25 µA
Selected channel leakage
Selected channel at V
CC
, Unselected channel at 0 V 1
Selected
channel
leakage
current
Selected channel at 0 V,
Unselected channel at V
CC
–1
µA
Maximum static analog
reference current into REF+
V
ref+
= V
CC
, V
ref–
= GND 1 2.5 µA
C
i
Input
Analog inputs 30 60
p
F
C
i
capacitance
Control inputs 5 15
pF
†
All typical values are at V
CC
= 5 V, T
A
= 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
TEST CONDITIONS
TLC2543M
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP
†
MAX
UNIT
V
OH
High level out
p
ut voltage
V
CC
= 4.5 V, I
OH
= –1.6 mA 2.4
V
V
OH
High
-
level
output
voltage
V
CC
= 4.5 V to 5.5 V, I
OH
= –20 µA V
CC
–0.1
V
V
OL
Low level out
p
ut voltage
V
CC
= 4.5 V, I
OL
= 1.6 mA 0.4
V
V
OL
Low
-
level
output
voltage
V
CC
= 4.5 V to 5.5 V, I
OL
= 20 µA 0.1
V
I
OZ
Hi
g
h-impedance off-state output
V
O
= V
CC
, CS at V
CC
1 2.5
µA
I
OZ
g
current
V
O
= 0,
CS at V
CC
1 – 2.5
µ
A
I
IH
High-level input current V
I
= V
CC
1 10 µA
I
IL
Low-level input current V
I
= 0 1 –10 µA
I
CC
Operating supply current CS at 0 V 1 2.5 mA
I
CC(PD)
Power-down current
For all digital inputs,
0 ≤ V
I
≤ 0.5 V or V
I
≥ V
CC
– 0.5 V
4 25 µA
Selected channel leakage
Selected channel at V
CC
, Unselected channel at 0 V 10
Selected
channel
leakage
current
Selected channel at 0 V,
Unselected channel at V
CC
–10
µA
Maximum static analog
reference current into REF+
V
ref+
= V
CC
, V
ref–
= GND 1 2.5 µA
C
i
Input
Analog inputs 30 60
p
F
C
i
capacitance
Control inputs 5 15
pF
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.