TLC1549C, TLC1549I, TLC1549M
10-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL
SLAS059C – DECEMBER 1992 – REVISED MARCH 1995
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
VOH
VOL
IOZ
IIH
IIL
ICC
High-level
High level output voltage
Low level output voltage
Low-level
Off-state (high impedance state)
Off state (high-impedance-state) output current
High-level input current
Low-level input current
Operating supply current
Analog input leakage current
Maximum static analog reference
current into REF+
TLC1549C, I
Ci
Input capacitance
TLC1549M
TLC1549C, I
TLC1549M
(Analog)
(Analog)
(Control)
(Control)
TEST CONDITIONS
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
VO = VCC,
VO = 0,
VI = VCC
VI = 0
CS at 0 V
VI = VCC
VI = 0
Vref+ = VCC,
During sample cycle
During sample cycle
Vref – = GND
30
30
5
5
15
IOH = – 1.6 mA
IOH = – 20
µA
IOL = 1.6 mA
IOL = 20
µA
CS at VCC
CS at VCC
0.005
– 0.005
0.8
MIN
2.4
VCC – 0.1
0.4
0.1
10
– 10
2.5
– 2.5
2.5
1
–1
10
55
pF
TYP†
MAX
UNIT
V
V
µA
µA
µA
mA
µA
µA
† All typical values are at VCC = 5 V, TA = 25°C.
8
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
