Datasheet

TLC1549C, TLC1549I, TLC1549M
10-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL
SLAS059C – DECEMBER 1992 – REVISED MARCH 1995
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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
†
MAX UNIT
V
OH
High level out
p
ut voltage
V
CC
= 4.5 V, I
OH
= –1.6 mA 2.4
V
V
OH
High
-
le
v
el
o
u
tp
u
t
v
oltage
V
CC
= 4.5 V to 5.5 V, I
OH
= –20 µA V
CC
–0.1
V
V
OL
Low level out
p
ut voltage
V
CC
= 4.5 V, I
OL
= 1.6 mA 0.4
V
V
OL
Lo
w-
le
v
el
o
u
tp
u
t
v
oltage
V
CC
= 4.5 V to 5.5 V, I
OL
= 20 µA 0.1
V
I
OZ
Off state (high im
p
edance state) out
p
ut current
V
O
= V
CC
, CS at V
CC
10
µA
I
OZ
Off
-
state
(high
-
impedance
-
state)
o
u
tp
u
t
c
u
rrent
V
O
= 0, CS at V
CC
–10
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
CC
Operating supply current CS at 0 V 0.8 2.5 mA
Analog in
p
ut leakage current
V
I
= V
CC
1
µA
Analog
inp
u
t
leakage
c
u
rrent
V
I
= 0 –1
µ
A
Maximum static analog reference
current into REF+
V
ref+
= V
CC
, V
ref–
= GND 10 µA
TLC1549C, I (Analog) During sample cycle 30 55
C
i
In
p
ut ca
p
acitance
TLC1549M (Analog) During sample cycle 30
p
F
C
i
Inp
u
t
capacitance
TLC1549C, I (Control) 5 15
pF
TLC1549M (Control) 5
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.