Datasheet

TLC1541
10-BIT ANALOG-TO-DIGITAL CONVERTER
WITH SERIAL CONTROL AND 11 INPUTS
SLAS073C – DECEMBER 1995 – REVISED AUGUST 1996
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating temperature range,
V
CC
= V
ref+
= 4.75 V to 5.5 V, f
clock(I/O)
= 1.1 MHz, f
clock(SYS)
= 2.1 MHz (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
V
OH
High-level output voltage (terminal 16) V
CC
= 4.75 V, I
OH
= 360 µA 2.4 V
V
OL
Low-level output voltage V
CC
= 4.75 V, I
OL
= 3.2 mA 0.4 V
I
OZ
High im
p
edance state out
p
ut current
V
O
= V
CC
, CS at V
CC
10
µA
I
OZ
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 1.2 2.5 mA
Selected channel leakage current
Selected channel at V
CC
,
Unselected channel at 0 V
0.4 1
µA
Selected
channel
leakage
c
u
rrent
Selected channel at 0 V,
Unselected channel at V
CC
–0.4 –1
µ
A
I
CC
+ I
ref
Supply and reference current V
ref+
= V
CC
, CS at 0 V 1.3 3 mA
C
i
In
p
ut ca
p
acitance
Analog inputs 7 55
p
F
C
i
Inp
u
t
capacitance
Control inputs 5 15
pF
†
All typical values are at V
CC
= 5 V and T
A
= 25°C.