Datasheet

TLV2541, TLV2542, TLV2545
2.7-V TO 5.5-V, LOW-POWER, 12-BIT, 140/200 KSPS,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN
SLAS245E −MARCH 2000 − REVISED APRIL 2010
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
electrical characteristics over recommended operating free-air temperature range,
V
DD
= V
REF
= 2.7 V to 5.5 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
V
High level output voltage
V
DD
= 5.5 V, I
OH
= −0.2 mA at 30-pF load 2.4
V
V
OH
High-level output voltage
V
DD
= 2.7 V, I
OH
= -20 μA at 30-pF load V
DD
−0.2
V
V
Low level output voltage
V
DD
= 5.5 V, I
OL
= 0.8 mA at 30-pF load 0.4
V
V
OL
Low-level output voltage
V
DD
= 2.7 V, I
OL
= 20 μA at 30-pF load 0.1
V
I
Off-state out
p
ut current
V
O
= V
DD
CS V
1 2.5
A
I
OZ
Off
-
state output current
(high-impedance-state)
V
O
= 0
CS = V
DD
−1 −2.5
μA
I
IH
High-level input current V
I
= V
DD
0.005 2.5 μA
I
IL
Low-level input current V
I
= 0 V
−0.00
5
2.5 μA
I
Operating supply current
CS at 0 V
V
DD
= 4.5 V to 5.5 V 1.3 1.5
mA
I
CC
Operating supply current CS at 0 V
V
DD
= 2.7 V to 3.3 V 0.85 0.95
mA
Autopower-down current
t
(powerdown)
≥ 0.5
μ
s
For all digital inputs,
0≤ V
I
≤ 0.3 V or V
I
≥ V
DD
− 0.3 V,
SCLK = 0, V
DD
= 4.5 V to 5.5 V, Ext ref
5
μA
I
t
(
power
d
own
)
≥ 0
.
5 μs
V
DD
= 2.7 V to 3.3 V, Ext ref 2
I
CC(AUTOPWDN)
Deep autopower-down current
t
(powerdown)
≥ 2 ms
For all digital inputs,
0≤ V
I
≤ 0.3 V or V
I
≥ V
DD
− 0.3 V,
SCLK = 0, V
DD
= 4.5 V to 5.5 V, Ext ref
1
μA
t
(
power
d
own
)
≥ 2 ms
V
DD
= 2.7 V to 3.3 V 1
Selected analo
g
in
p
ut channel
Selected channel at V
DD
1
A
Selected analog input channel
leakage current
Selected channel at 0 V
−1
μA
C
Input capacitance
Analog inputs 20 45 50
pF
C
i
Input capacitance
Control Inputs
5 25
pF
Input on resistance
V
DD
= 5.5 V 500
Ω
Input on resistance
V
DD
= 2.7 V 600
Ω
Autopower down 0.5 SCLK
†
All typical values are at V
DD
= 5 V, T
A
= 25°C.