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SLAS052G – MARCH 1992 – REVISED JANUARY 2006
RECOMMENDED OPERATING CONDITIONS (continued)
MIN
TLC1542C, TLC1543C
T
A
Operating free-air temperature,
TLC1542I, TLC1543I
TLC1542Q, TLC1543Q
TLC1542M
0
-40
-40
-55
NOM
MAX
70
85
125
125
°C
UNIT
ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range, V
CC
= V
ref+
= 4.5 V to 5.5 V, I/O CLOCK frequency = 2.1 MHz
(unless otherwise noted)
PARAMETER
V
OH
V
OL
High-level output voltage
Low-level output voltage
Off-state
(high-impedance-state)
output current
High-level input current
Low-level input current
Operating supply current
Selected channel leakage
current TLC1542/TLC1543
C, I, or Q
V
CC
= 4.5 V,
V
CC
= 4.5 V to 5.5 V,
V
CC
= 4.5 V,
V
CC
= 4.5 V to 5.5 V,
V
O
= V
CC
,
V
O
= 0,
V
I
= V
CC
V
I
= 0
CS at 0 V
Selected channel at V
CC
,
Selected channel at 0 V,
Selected channel at V
CC
,
T
A
= 25°C
Selected channel leakage
current TLC1542M
Selected channel at 0 V,
T
A
= 25°C
Selected channel at V
CC
,
Selected channel at 0 V,
Maximum static analog
reference current into REF+
Input
capacitance
Analog
inputs
Control
inputs
V
ref+
= V
CC
,
Unselected channel at 0 V
Unselected channel at V
CC
Unselected channel at 0 V,
Unselected channel at V
CC
,
Unselected channel at 0 V
Unselected channel at V
CC
V
ref-
= GND
7
pF
5
TEST CONDITIONS
I
OH
= -1.6 mA
I
OH
= -20
µA
I
OL
= 1.6 mA
I
OL
= 20
µA
CS at V
CC
CS at V
CC
0.005
0.005
0.8
MIN TYP
(1)
2.4
V
CC
-0.1
0.4
0.1
10
-10
2.5
-2.5
2.5
1
-1
1
-1
2.5
-2.5
10
µA
µA
MAX
UNIT
V
V
µA
µA
µA
mA
µA
I
OZ
I
IH
I
IL
I
CC
C
i
(1)
All typical values are at V
CC
= 5 V, T
A
= 25°C.
OPERATING CHARACTERISTICS
over recommended operating free-air temperature range, V
CC
= V
ref+
= 4.5 V to 5.5 V, I/O CLOCK frequency = 2.1 MHz
(unless otherwise noted)
TEST
CONDITIONS
TLC1542C, I, or Q
E
L
Linearity error, see
(2)
)
MIN
TYP
(1)
MAX
±0.5
±1
±1
UNIT
LSB
LSB
LSB
TLC1543C, I, or Q
TLC1542M
(1)
(2)
All typical values are at T
A
= 25°C.
Linearity error is the maximum deviation from the best straight line through the A/D transfer characteristics.
9
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