LTC1596(RevA) Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
fabricante
LTC1596 Datasheet PDF : 12 Pages
| |||
LTC1595/LTC1596/LTC1596-1
TYPICAL APPLICATIONS
VREF
–10V TO 10V
5V
R2
R3
20k
20k
0.1µF
13 14 15 16
10
4
STB3 CLR
VDD
VREF
RFB
STB1
µP
7
SRI
5
LD1
6
LTC1596-1
SRO
9
LD2
8
STB2
11
STB4
DGND
AGND
12
3
TO NEXT DAC
FOR DAISY-CHAINING
OUT1 1
OUT2
2
33pF
–
1/2 LT1112
+
R1
10k –
(20k ÷ 2) 1/2 LT1112
+
VOUT
–VREF TO VREF
RESISTORS: CADDOCK T914-20K-010-02
1595/96 F02a (OR EQUIVALENT) 20k, 0.01%, TC TRACK = 2ppm/°C
(a)
R2
VREF
20k
–10V TO 10V
5V
0.1µF
8
1
2
7 VDD VREF RFB
CLK
µP 6 SRI LTC1595 OUT1 3
5 LD
GND
4
33pF
–
1/2 LT1112
+
(b)
R3
20k
R1
10k
(20k ÷ 2)
–
1/2 LT1112
+
1595/96 F02b
VOUT
–VREF TO VREF
Table 3. Bipolar Offset Binary Code Table
DIGITAL INPUT
BINARY NUMBER
IN DAC REGISTER
MSB
LSB
1111 1111 1111 1111
1000 0000 0000 0001
1000 0000 0000 0000
0111 1111 1111 1111
0000 0000 0000 0000
ANALOG OUTPUT
VOUT
VREF (32,767/32,768)
VREF (1/32,768)
0V
–VREF (1/32,768)
–VREF
Figure 2. Bipolar Operation (4-Quadrant Multiplication) VOUT = – VREF to VREF
RELATED PARTS
PART NUMBER
DACs
LTC1590
LTC1597
LTC1650
LTC1658
LTC7543/LTC8143/LTC8043
ADCs
LTC1418
LTC1604
LTC1605
LTC2400
Op Amps
LT1001
LT1112
LT1468
References
LT1236
LT1634
DESCRIPTION
Dual Serial I/O Multiplying IOUT 12-Bit DAC
Parallel 16-Bit Current Output DAC
Serial 16-Bit Voltage Output DAC
Serial 14-Bit Voltage Output DAC
Serial I/O Multiplying IOUT 12-Bit DACs
14-Bit, 200ksps 5V Sampling ADC
16-Bit, 333ksps Sampling ADC
Single 5V, 16-Bit 100ksps ADC
24-Bit, ∆∑ ADC in SO-8
Precision Operational Amplifier
Dual Low Power, Precision Picoamp Input Op Amp
90MHz, 22V/µs, 16-Bit Accurate Op Amp
Precision Reference
Micropower Reference
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
COMMENTS
16-Pin SO and PDIP, SPI Interface
Low Glitch, ±1LSB Maximum INL, DNL
Low Noise and Glitch Rail-to-Rail VOUT
Low Power, 8-Lead MSOP Rail-to-Rail VOUT
Clear Pin and Serial Data Output (LTC8143)
16mW Dissipation, Serial and Parallel Outputs
±2.5V Input, SINAD = 90dB, THD = 100dB
Low Power, ±10V Inputs
1ppm (4ppm) Offset (Full Scale), Internal 50Hz/60Hz Notches
Low Offset, Low Drift
Low Offset, Low Drift
Precise, 1µs Settling to 0.0015%
Ultralow Drift, 5ppm/°C, High Accuracy 0.05%
Ultralow Drift, 10ppm/°C, High Accuracy 0.05%
159561fa LT/TP 0299 2K REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1997
Share Link: 