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
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
description (continued)
The TLV1544 has four analog input channels while the TLV1548 has eight analog input channels. The
TLV1544C and TLV1548C are characterized for operation from 0°C to 70°C. The TLV1544I and TLV1548I are
characterized for operation over the full industrial temperature range of –40°C to 85°C. The TLV1548M is
characterized for operation over the full military temperature range of –55°C to 125°C.
functional block diagram
Analog
MUX
Self-Test
Reference
Input
Data
Register
Control
Logic
and
I/O
Counters
10-Bit ADC
(Switch Capacitors)
Output Data Register
10-to-1
Data Selector
Sample
and
Hold Function
CLOCK
A0–A7
REF+
REF–
DATA IN
DATA OUT
EOC
FS
CS
CSTART
INV CLK
I/O CLK
Terminals shown are for the DB package.
1–8
14
13
17
16
19
12
15
9
11
18
AVAILABLE OPTIONS
PACKAGE
T
A
SMALL OUTLINE
(DB) (D) (PW) (J) (FK)
0°C to 70°C TLV1548CDB TLV1544CD TLV1544CPW
–40°C to 85°C TLV1548IDB TLV1544ID TLV1544IPW
–55°C to 125°C TLV1548MJ TLV1548MFK
DISSIPATION RATING TABLE
PACKAGE
T
A
25°C DERATING FACTOR
T
A
= 70°C T
A
= 85°C T
A
= 125°C
PACKAGE
A
POWER RATING ABOVE T
A
= 25°C
A
POWER RATING
A
POWER RATING
A
POWER RATING
DB
D
785 mW
799 mW
8.7 mW/°C
8 9 mW/
°
C
393 mW
399 mW
261 mW
266 mW
D
PW
J
799
mW
604 mW
1894 mW
8
.
9
mW/°C
6.7 mW/°C
15 1 mW/°C
399
mW
302 mW
1212 mW
266
mW
201 mW
985 mW
379 mW
J
FK
1894
m
W
1375 mW
15
.
1
m
W/°C
11.0 mW/°C
1212
m
W
880 mW
985
m
W
715 mW
379
m
W
275 mW
This is the inverse of the traditional junction-to-ambient thermal resistance (RΘ
JA
). RΘ
JA
values are derived from Texas Instruments
characterization data. Thermal resistance is not production tested and values are given for informational purposes only.