![](http://datasheet.mmic.net.cn/Linear-Technology/LTC1659IMS8-TRPBF_datasheet_101495/LTC1659IMS8-TRPBF_12.png)
LTC1659
12
1659fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 1997
LT 0507 REV A PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
Digitally Programmable Current Source
–
+
LTC1659
LT
1077
5V
GND
μP
1659 TA04
DIN
RA
510
Ω
5%
RL
VOUT
CLK
Q1
2N3440
CS/LD
VS + 6V TO 100V
FOR RL ≤ 50Ω
0.1
μF
VCC REF
IOUT =
≈ 0mA TO 10mA
DIN 5
4096 RA
PART NUMBER
DESCRIPTION
COMMENTS
LTC1257
Single 12-Bit VOUT DAC, Full Scale: 2.048V, VCC: 4.75V to 15.75V,
Reference Can Be Overdriven Up to 12V, i.e., FSMAX = 12V
5V to 15V Single Supply, Complete VOUT DAC in
SO-8 Package
LTC1446/LTC1446L
Dual 12-Bit VOUT DACs in SO-8 Package
LTC1446: VCC = 4.5V to 5.5V, VOUT = 0V to 4.095V
LTC1446L: VCC = 2.7V to 5.5V, VOUT = 0V to 2.5V
LTC1448
Dual 12-Bit VOUT DAC, VCC: 2.7V to 5.5V
Output Swings from GND to REF. REF Input Can Be Tied
to VCC
LTC1450/LTC1450L
Single 12-Bit VOUT DACs with Parallel Interface
LTC1450: VCC = 4.5V to 5.5V, VOUT = 0V to 4.095V
LTC1450L: VCC = 2.7V to 5.5V, VOUT = 0V to 2.5V
LTC1451
Single Rail-to-Rail 12-Bit DAC, Full Scale: 4.095V, VCC: 4.5V to 5.5V,
Internal 2.048V Reference Brought Out to Pin
5V, Low Power Complete VOUT DAC in SO-8 Package
LTC1452
Single Rail-to-Rail 12-Bit VOUT Multiplying DAC, VCC: 2.7V to 5.5V
Low Power, Multiplying VOUT DAC with Rail-to-Rail
Buffer Amplier in SO-8 Package
LTC1453
Single Rail-to-Rail 12-Bit VOUT DAC, Full Scale: 2.5V, VCC: 2.7V to 5.5V
3V, Low Power, Complete VOUT DAC in SO-8 Package
LTC1454/LTC1454L
Dual 12-Bit VOUT DACs in SO-16 Package with Added Functionality
LTC1454: VCC = 4.5V to 5.5V, VOUT = 0V to 4.095V
LTC1454L: VCC = 2.7V to 5.5V, VOUT = 0V to 2.5V
LTC1456
Single Rail-to-Rail Output 12-Bit DAC with Clear Pin, Full Scale: 4.095V,
VCC: 4.5V to 5.5V
Low Power, Complete VOUT DAC in SO-8 Package with
Clear Pin
LTC1458/LTC1458L
Quad 12 Bit Rail-to-Rail Output DACs with Added Functionality
LTC1458: VCC = 4.5V to 5.5V, VOUT = 0V to 4.095V
LTC1458L: VCC = 2.7V to 5.5V, VOUT = 0V to 2.5V