Datasheet
ELECTRICAL CHARACTERISTICS
TLV2556-EP
www.ti.com
................................................................................................................................................... SLAS598A – NOVEMBER 2008 – REVISED JULY 2009
over recommended operating free-air temperature range, V
REF+
= 5 V,
SCLK frequency = 15 MHz when V
CC
= 5 V, V
REF+
= 2.5 V,
SCLK frequency = 10 MHz when V
CC
= 2.7 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
V
CC
= 4.5 V, I
OH
= – 1.6 mA
2.4
V
CC
= 2.7 V, I
OH
= – 0.2 mA
V
OH
High-level output voltage 30 pF V
V
CC
= 4.5 V, I
OH
= – 20 µ A
V
CC
– 0.1
V
CC
= 2.7 V, I
OH
= – 20 µ A
V
CC
= 5.5 V, I
OL
= 1.6 mA
0.4
V
CC
= 3.6 V, I
OL
= 0.8 mA
V
OH
Low-level output voltage 30 pF V
V
CC
= 5.5 V, I
OL
= – 20 µ A
0.1
V
CC
= 3.6 V, I
OL
= – 20 µ A
V
O
= V
CC
, CS = V
CC
1 2.5
I
OZ
High impedance off state output current µ A
V
O
= 0 V, CS = V
CC
– 1 – 2.5
V
CC
= 5 V 1.2
CS at 0 V, External reference
V
CC
= 2.7 V 0.9
I
CC
Operating supply current mA
V
CC
= 5 V 3
CS at 0 V, Internal reference
V
CC
= 2.7 V 2.4
External
0.1 10
For all digital inputs,
reference
I
CC(SP
Software power down current 0 V ≤ V
I
≤ 0.5 V or µ A
D)
Internal
V
I
≥ V
CC
– 0.5 V, SCLK = 0 V
0.1 10
reference
External
0.1 10
For all digital inputs,
reference
I
CC(AP
Auto power down current 0 V ≤ V
I
≤ 0.5 V or µ A
D)
Internal
V
I
≥ V
CC
– 0.5 V, SCLK = 0 V
1800
reference
I
IH
High-level input current V
I
= V
CC
0.005 2.5 µ A
I
IL
Low-level input current V
I
= 0 V – 0.005 – 2.5 µ A
Selected channel at V
CC
,
1
Unselected channel at 0 V
I
lkg
Selected channel leakage current µ A
Selected channel at 0 V,
– 1
Unselected channel at V
CC
V
CC
= 4.5 V to 5.5 V 3.0
f
(OSC)
Internal oscillator frequency MHz
V
CC
= 2.7 V to 3.6 V 2.1
V
CC
= 4.5 V to 5.5 V 4.53
t
conv
Conversion time = 13.5 × f
(OSC)
+ 25 ns µ s
V
CC
= 2.7 V to 3.6 V 6.46
Internal oscillator frequency
3.9 V
switch-over voltage
V
CC
= 4.5 V 600
Z
i
Analog input MUX impedance
(2)
Ω
V
CC
= 2.7 V 500
Analog inputs 45
C
i
Input capacitance pF
Control inputs 5
(1) All typical values are at V
CC
= 5 V, T
A
= 25 ° C.
(2) The switch resistance is very nonlinear and varies with input voltage and supply voltage.
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