LTC1654_1 Datasheet, PDF (16/16 Pages) Linear Technology – Dual 14-Bit Rail-to-Rail DAC in 16-Lead SSOP Package

LTC1654
TYPICAL APPLICATIO
A Wide Swing, Bipolar Output 14-Bit DAC with Digitally Controlled Offset
5V
LTC1654
0.1µF
1
16
X₁/X_1/2 B
V_CC
2
15
CLR
V_{OUT B}
µP
3
SCK
4
SDI
14
REFHI B
13
REFLO B
49.9k
1%
15V
+
5
CS/LD
12
AGND
6
11
DGND REFLO A
7
SDO
10
REFHI A
8
9
X₁/X_1/2 A V_{OUT A}
100k
1%
49.9k
LT1077
–
–15V
100k
1654 TA02
V_OUT
2 (V_OUTB – V_OUTA)
1%
1%
RELATED PARTS
PART NUMBER
LTC1257
LTC1446/LTC1446L
DESCRIPTION
Single 12-Bit V_OUT DAC, Full Scale: 2.048V, V_CC: 4.75V to 15.75V,
Reference Can Be Overdriven Up to 12V, i.e., FS_MAX = 12V
Dual 12-Bit V_OUT DACs in SO-8 Package
LTC1448
Dual 12-Bit V_OUT DAC, V_CC: 2.7V to 5.5V
LTC1450/LTC1450L Single 12-Bit V_OUT DACs with Parallel Interface
LTC1451
LTC1452
Single Rail-to-Rail 12-Bit DAC, Full Scale: 4.095V, V_CC: 4.5V to 5.5V,
Internal 2.048V Reference Brought Out to Pin
Single Rail-to-Rail 12-Bit V_OUT Multiplying DAC, V_CC: 2.7V to 5.5V
LTC1453
Single Rail-to-Rail 12-Bit V_OUT DAC, Full Scale: 2.5V, V_CC: 2.7V to 5.5V
LTC1454/LTC1454L Dual 12-Bit V_OUT DACs in SO-16 Package with Added Functionality
LTC1456
LTC1458/LTC1458L
Single Rail-to-Rail Output 12-Bit DAC with Clear Pin,
Full Scale: 4.095V, V_CC: 4.5V to 5.5V
Quad 12 Bit Rail-to-Rail Output DACs with Added Functionality
LTC1658
LTC1659
14-Bit Rail-to-Rail Micropower DAC in MSOP, V_CC: 2.7V to 5.5V
Single Rail-to-Rail 12-Bit V_OUT DAC in 8-Pin MSOP, V_CC: 2.7V to 5.5V
References
LT1460
LT1461
LT1634
Micropower Precision Reference
Precision Voltage Reference
Micropower Precision Reference
COMMENTS
5V to 15V Single Supply, Complete V_OUT DAC 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
Output Swings from GND to REF. REF Input
Can Be Tied to V_CC
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
5V, Low Power Complete V_OUT DAC in SO-8 Package
Low Power, Multiplying V_OUT DAC with Rail-to-Rail
Buffer Amplifier in SO-8 Package
3V, Low Power, Complete V_OUT DAC in SO-8 Package
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
Low Power, Complete V_OUT DAC in SO-8
Package with Clear Pin
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
Output Swings from GND to REF. REF Input
Can Be Tied to V_CC
Low Power, Multiplying V_OUT DAC in MS8 Package.
Output Swings from GND to REF. REF Input Can Be
Tied to V_CC
Low Cost, 10ppm Drift
Ultralow Drift 3ppm/°C, Initial Accuracy: 0.04%
Low Drift 10ppm/°C, Initial Accuracy: 0.05%
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
1654fb
LT/LT 0705 REV B • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2000