Datasheet

TLV1544C, TLV1544I, TLV1548C, TLV1548I, TLV1548M
LOW-VOLTAGE 10-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 4/8 ANALOG INPUTS
SLAS139C – DECEMBER 1996 – REVISED JANUARY 1999
15
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range,
V
CC
= V
ref+
= 2.7 V to 5.5 V, I/O CLK frequency = 2.2 MHz (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
V
OH
High level out
p
ut voltage
V
CC
= 5.5 V, I
OH
= –0.2 mA 2.4
V
V
OH
High
-
le
v
el
o
u
tp
u
t
v
oltage
V
CC
= 2.7 V, I
OH
= –20 µA V
CC–0.1
V
V
OL
Low level out
p
ut voltage
V
CC
= 5.5 V, I
OL
= 0.8 mA 0.4
V
V
OL
Lo
w-
le
v
el
o
u
tp
u
t
v
oltage
V
CC
= 2.7 V, I
OL
= 20 µA 0.1
V
I
OZ
High im
p
edance out
p
ut current
V
O
= V
CC
, CS = V
CC
1 2.5
µA
I
OZ
High
-
impedance
o
u
tp
u
t
c
u
rrent
V
O
= 0, CS = V
CC
–1 –2.5
µ
A
I
IH
High-level input current V
I
= V
CC
0.005 2.5 µA
I
IL
Low-level input current V
I
= 0 –0.005 2.5 µA
I
Operating supply current
Conversion speed = fast,
For all digital inputs,
0 ≤ V
I
≤ 0.3 V or
V
I
≥ V
CC
– 0.3 V
V
CC
= 3.3 V to 5.5 V 0.6 1.5
mA
I
CC
O
pera
ti
ng supp
l
y curren
t
Conversion speed = slow,
For all di
g
ital inputs,
V
CC
= 3.3 V to 5.5 V 0.4 1
m
A
g,
0 ≤ V
I
≤ 0.3 V or
V
I
≥ V
CC
– 0.3 V
V
CC
= 2.7 V to 3.3 V 0.35 0.75
I
CC(ES)
Extended sampling mode
V
CC
= 3.3 V to 5.5 V 1.5 mA
I
CC(ES)
g
operating current
V
CC
= 2.7 V to 3.3 V
1 mA
I
CC(ST)
Sustaining supply current
Conversion speed = slow,
For all digital inputs,
0 ≤ V
I
≤ 0.3 V or
V
I
≥ V
CC
– 0.3 V
V
CC
= 2.7 V to 3.3 V 0.3 mA
I
CC(PD)
Power-down supply current
For all digital inputs,
0 ≤ V
I
≤ 0.3 V or V
I
≥ V
CC
– 0.3 V
1 25 µA
I
lk
Selected channel leakage current
Selected channel at V
CC
, unselected channel at 0 V 1 µA
I
lkg
Selected
channel
leakage
c
u
rrent
Selected channel at 0 V, unselected channel at V
CC
–1 µA
Maximum static analog
reference current into REF+
V
ref+
= V
CC
= 5.5 V, V
ref–
= GND 1 µA
C
i
‡
Input capacitance, analog inputs 20 55
p
F
C
i
‡
Input capacitance, control inputs 20 15
pF
Z
i
‡
In
p
ut multi
p
lexer on resistance
V
CC
= 4.5 V 1
kΩ
Z
i
‡
Inp
u
t
m
u
ltiple
x
er
on
resistance
V
CC
= 2.7 V 5
kΩ
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.
‡
Not production tested.