Datasheet

12
LTC1257
PART NUMBER DESCRIPTION COMMENTS
LTC1446/LTC1446L Dual 12-Bit V
OUT
DACs in SO-8 Package LTC1446: V
CC
= 4.5V to 5.5V, V
OUT
= 0V to 4.095V
LTC1446L: V
CC
= 2.7V to 5.5V, V
OUT
= 0V to 2.5V
LTC1448 Dual 12-Bit V
OUT
DAC in SO-8 Package, V
CC
: 2.7V to 5.5V Output Swings from GND to REF,
REF Input Can Be Tied to V
CC
LTC1450/LTC1450L Single 12-Bit V
OUT
DACs with Parallel Interface LTC1450: V
CC
= 4.5V to 5.5V, V
OUT
= 0V to 4.095V
LTC1450L: V
CC
= 2.7V to 5.5V, V
OUT
= 0V to 2.5V
LTC1451 Single Rail-to-Rail 12-Bit V
OUT
DAC, Full Scale: 4.095V, V
CC
: 4.5V to Low Power, Complete V
OUT
DAC in SO-8 Package
5.5V, Internal 2.048V Reference Brought Out to Pin
LTC1452 Single Rail-to-Rail 12-Bit V
OUT
Multiplying DAC, V
CC
: 2.7V to 5.5V Low Power, Multiplying V
OUT
DAC with Rail-to-Rail
Buffer Amplifier in SO-8 Package
LTC1453 Single Rail-to-Rail 12-Bit V
OUT
DAC, Full Scale: 2.5V, V
CC
: 2.7V to 5.5V 3V, Low Power, Complete V
OUT
DAC in SO-8 Package
LTC1454/LTC1454L Dual 12-Bit V
OUT
DACs in SO-16 Package with Added Functionality LTC1454: V
CC
= 4.5V to 5.5V, V
OUT
= 0V to 4.095V
LTC1454L: V
CC
= 2.7V to 5.5V, V
OUT
= 0V to 2.5V
LTC1456 Single Rail-to-Rail Output 12-Bit DAC with Clear Pin, Low Power, Complete V
OUT
DAC in SO-8
Full Scale: 4.095V, V
CC
: 4.5V to 5.5V Package with Clear Pin
LTC1458/LTC1458L Quad 12 Bit Rail-to-Rail Output DACs with Added Functionality LTC1458: V
CC
= 4.5V to 5.5V, V
OUT
= 0V to 4.095V
LTC1458L: V
CC
= 2.7V to 5.5V, V
OUT
= 0V to 2.5V
LTC1659 Single Rail-to-Rail 12-Bit V
OUT
DAC in MSOP-8 Package, Output Swings from GND to REF,
V
CC
= 2.7V to 5.5V REF Input Can Be Tied to V
CC
 LINEAR TECHNOLOGY CORPORATION 1994
1257fa LT/TP 0198 REV A 4K • PRINTED IN USA
U
A
O
PP
L
IC
AT
ITY
P
I
CA
L
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
[phone]
FAX: [phone]
●
TELEX: 499-3977
●
www.linear-tech.com
Driving LTC1257 with Optoisolators
LT1021-5
V
OUT
V
IN
12V
V
REF
GND
CLK
6
1
2
1
2
1
2
4
5
6
4
5
6
4
5
2k
5%
2k
5%
2k
5%
V
OUT
V
OUT
0.1µF
V
CC
D
IN
CLK
D
IN

LOAD
D
OUT

LTC1257
MOC5008
MOC5008
MOC5008
LOAD
1257 TA07
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