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LTC7545ALSW#TR

Description
LTC7545A - Improved Industry Standard Parallel 12-Bit Multiplying DAC; Package: SO; Pins: 20; Temperature Range: 0°C to 70°C
CategoryAnalog mixed-signal IC    converter   
File Size147KB,8 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric View All

LTC7545ALSW#TR Overview

LTC7545A - Improved Industry Standard Parallel 12-Bit Multiplying DAC; Package: SO; Pins: 20; Temperature Range: 0°C to 70°C

LTC7545ALSW#TR Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeSOIC
package instructionSOP,
Contacts20
Manufacturer packaging codeSW
Reach Compliance Code_compli
ECCN codeEAR99
Maximum analog output voltage10 V
Minimum analog output voltage
Converter typeD/A CONVERTER
Enter bit codeBINARY, OFFSET BINARY
Input formatPARALLEL, WORD
JESD-30 codeR-PDSO-G20
JESD-609 codee0
length12.8 mm
Maximum linear error (EL)0.0122%
Humidity sensitivity level1
Number of digits12
Number of functions1
Number of terminals20
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)235
Certification statusNot Qualified
Maximum seat height2.65 mm
Maximum stabilization time1 µs
Maximum slew rate2 mA
Nominal supply voltage15 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width7.5 mm
LTC7545A
Improved Industry Standard
Parallel 12-Bit Multiplying DAC
FEATURES
s
s
s
s
s
s
s
DESCRIPTIO
Improved Direct Replacement for AD7545A
and AD7545
DNL and INL Over Temperature:
±0.5LSB
Gain Error:
±1LSB
Maximum
4-Quadrant Multiplication
Single 5V or 15V Supply
Low Power Consumption
Low Cost
The LTC
®
7545A is a 12-bit multiplying digital-to-analog
converter (DAC) with a microprocessor compatible paral-
lel input. It is a superior pin compatible replacement for the
industry standard AD7545A and AD7545. Improvements
include better accuracy, better stability over temperature
and supply variations and lower sensitivity to output
amplifier offset.
This very versatile DAC is useful for 2-quadrant and
4-quadrant multiplying, programmable gain and filtering
and single supply noninverting voltage output operation.
Parts are available in 20-pin PDIP and SO packages and
commercial and industrial temperature grades.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATI
s
s
s
s
S
Process Control and Industrial Automation
Software Controlled Gain Adjustment
Digitally Controlled Filter and Power Supplies
Automatic Test Equipment
TYPICAL APPLICATI
2-Quadrant Multiplying DAC Has Less Than
0.5LSB (Typ) Total Unadjusted Error
V
IN
5V
0.1µF
Integral Nonlinearity Over Temperature
1.0
INTEGRAL NONLINEARITY (LSB)
18
19
20
R
FB
1
OUT1
33pF
0.5
T
A
= 85°C
0
T
A
= –40°C
–0.5
T
A
= 25°C
CS
16
AGND
2
DGND
4–15
3
+
WR
17
LTC7545A
V
DD
V
REF
LT
®
1097
V
OUT
7545A TA01
–1.0
0
512 1024 1536 2048 2560 3072 3584 4095
DIGITAL INPUT CODE
7545A TA02
U
UO
UO
1
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