LTC2604IGN 데이터 시트보기 (PDF) - Linear Technology
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LTC2604IGN Datasheet PDF : 16 Pages
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LTC2604/LTC2614/LTC2624
TYPICAL APPLICATION
5V
5V
1k
10k
1k
10k
70MHz IN
10k
0.1μF
0.1μF 10k
0.01μF
20Ω
0.01μF
49.9Ω
OUT
ZC830
49.9Ω
47pF
49.9Ω
10pF
20pF
ZC830
OPTIONAL
20k
0.1μF
CS/LD
SCK
SDI
5V
2.74k
1%
100k
2.74k
1%
DAC A
DAC B
DAC C
DAC D
LTC2604
LO
90°
OPTIONAL
20k
0.1μF
5V
100k
2.74k
1%
2.74k
1%
Q INPUT
5V
2.74k
1%
I+Q
MODULATOR
0°
5V
2.74k
1%
I INPUT
2.74k
1%
RF
*ZETEX (516) 543-7100
2.74k
1%
2604 F04
Figure 4. Using DAC A and DAC B for Nearly Continuous Attenuation Control and DAC C and
DAC D to Trim for Minimum LO Feedthrough in a Mixer
RELATED PARTS
PART NUMBER
LTC1458/LTC1458L
LTC1654
LTC1655/LTC1655L
LTC1657/LTC1657L
LTC1660/LTC1665
LTC1821
LTC2600/LTC2610/LTC2620
LTC2602/LTC2612/LTC2622
DESCRIPTION
Quad 12-Bit Rail-to-Rail Output DACs with Added Functionality
Dual 14-Bit Rail-to-Rail VOUT DAC
Single 16-Bit VOUT DAC with Serial Interface in SO-8
Parallel 5V/3V 16-Bit VOUT DAC
Octal 8-Bit/10-Bit VOUT DAC in 16-Pin Narrow SSOP
Parallel 16-Bit Voltage Output DAC
Octal 16-Bit/14-Bit/12-Bit Rail-to-Rail DACs in 16-Lead SSOP
Dual 16-Bit/14-Bit/12-Bit Rail-to-Rail DACs in 8-Lead MSOP
COMMENTS
LTC1458: VCC = 4.5V to 5.5V, VOUT = 0V to 4.096V
LTC1458L: VCC = 2.7V to 5.5V, VOUT = 0V to 2.5V
Programmable Speed/Power
VCC = 5V(3V), Low Power, Deglitched
Low Power, Deglitched, Rail-to-Rail VOUT
VCC = 2.7V to 5.5V, Micropower, Rail-to-Rail Output
Precision 16-Bit Settling in 2μs for 10V Step
250μA per DAC, 2.5V to 5.5V Supply Range
300μA per DAC, 2.5V to 5.5V Supply Range
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
2604fd
LT 0309 REV D • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2004
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