TLC1542_13 Datasheet, PDF (9/33 Pages) Texas Instruments – 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS

TLC1542I, TLC1542M, TLC1542Q
TLC1542C, TLC1543C, TLC1543I, TLC1543Q
www.ti.com
SLAS052G – MARCH 1992 – REVISED JANUARY 2006
RECOMMENDED OPERATING CONDITIONS (continued)
MIN
NOM MAX UNIT
TLC1542C, TLC1543C
0
70
TLC1542I, TLC1543I
-40
85
T_A
Operating free-air temperature,
TLC1542Q, TLC1543Q
-40
°C
125
TLC1542M
-55
125
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
TEST CONDITIONS
MIN TYP⁽¹⁾ MAX UNIT
V_OH High-level output voltage
V_OL Low-level output voltage
Off-state
I_OZ (high-impedance-state)
output current
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,
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
2.4
V_CC-0.1
V
0.4
V
0.1
10
µA
-10
I_IH High-level input current
V_I = V_CC
I_IL Low-level input current
V_I = 0
I_CC Operating supply current
CS at 0 V
Selected channel leakage
current TLC1542/TLC1543
C, I, or Q
Selected channel at V_CC,
Selected channel at 0 V,
Unselected channel at 0 V
Unselected channel at V_CC
0.005 2.5
µA
0.005 -2.5
µA
0.8 2.5 mA
1
µA
-1
Selected channel leakage
current TLC1542M
Maximum static analog
reference current into REF+
Selected channel at V_CC,
T_A= 25°C
Selected channel at 0 V,
T_A = 25°C
Selected channel at V_CC,
Selected channel at 0 V,
V_ref+ = 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
1
-1
µA
2.5
-2.5
10
µA
Analog
C_i
Input
capacitance
inputs
Control
inputs
7
pF
5
(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
MIN TYP ⁽¹⁾
MAX UNIT
TLC1542C, I, or Q
±0.5
LSB
E_L
Linearity error, see ⁽²⁾)
TLC1543C, I, or Q
TLC1542M
±1
LSB
±1
LSB
(1) All typical values are at T_A = 25°C.
(2) Linearity error is the maximum deviation from the best straight line through the A/D transfer characteristics.
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