DAC0890CIJ National Semiconductor, DAC0890CIJ Datasheet

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DAC0890CIJ

Manufacturer Part Number
DAC0890CIJ
Description
Dual 8-bit mP-Compatible Digital-to-Analog Converter
Manufacturer
National Semiconductor
Datasheet

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DAC0890CIJ
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C 1995 National Semiconductor Corporation
DAC0890
Dual 8-bit P-Compatible Digital-to-Analog Converter
General Description
The DAC0890 is a complete dual 8-bit voltage output digital-
to-analog converter that can operate on a single 5V supply
It includes on-chip output amplifiers precision bandgap volt-
age reference and full microprocessor interface
Each DAC0890 output amplifier has two externally select-
able output ranges 0V to 2 55V and 0V to 10 2V The ampli-
fiers are internally trimmed for offset and full-scale accuracy
and therefore require no external user trims
The DAC0890 is supplied in 20-pin ceramic DIP package
Features
Y
Y
Block Diagram
Ordering Information
Two 8-bit voltage output DACs
4 75V to 16 5V single operation
Industrial (
DAC0890CIJ
b
40 C
s
T
A s
TL H 10592
a
85 C)
J20A Cerdip
Package
Y
Y
Y
Y
Y
Y
Applications
Y
Y
Y
Y
Connection Diagram
Guaranteed monotonic over temperature
Internal precision bandgap reference
Two calibrated output ranges 2 55V and 10 2V
2 s settling time for full-scale output change
No external trims
Microprocessor interface
Industrial processing controls
Automotive controls
Disk drive motor controls
Automatic test equipment
Dual-In-Line Package
Top View
RRD-B30M115 Printed in U S A
TL H 10592 – 1
TL H 10592 – 2
May 1995

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DAC0890CIJ Summary of contents

Page 1

... Y Block Diagram Ordering Information Industrial ( DAC0890CIJ C 1995 National Semiconductor Corporation TL H 10592 Guaranteed monotonic over temperature Y Internal precision bandgap reference Y Two calibrated output ranges 2 55V and settling time for full-scale output change Y No external trims ...

Page 2

... Soldering Information J package (10 sec ) Storage Temperature 20V Junction Temperature Operating Ratings Temperature Range MIN MAX DAC0890CIJ 2000V Positive Supply Voltage V Indefinite MIN MAX Typical Conditions (Note ...

Page 3

... Note 4 The sum of the currents at all pins that are driven beyond the power supply voltages should not exceed 20 mA Note 5 The maximum power dissipation must be derated at elevated temperatures and is dictated by T allowable power dissipation at any temperature and ( C W) for the DAC0890CIJ are 125 C and respectively JMAX JA Part Number ...

Page 4

Typical Performance Characteristics Fullscale Drift vs Temperature Fullscale Dac to Dac Tracking vs Temperature Write Time vs Temperature Offset Drift Integral Linearity vs Temperature vs Temperature Analog Crosstalk Power Supply Rejection vs Temperature vs Temperature Data Threshold Control Threshold vs ...

Page 5

Typical Performance Characteristics Supply Current vs Temperature Minimum Supply Voltage vs Temperature (10 2V Range) Short Circuit Current Digital Input Current vs Temperature vs Temperature Minimum Supply Voltage vs Temperature Max Power Dissipation (2 55V Range) vs Temperature Power Supply ...

Page 6

Timing Waveforms 10592 – 5 ...

Page 7

Connection Diagram Pin Description DB0 –DB7 (1–8) These pins are data inputs for each of the internal 8-bit DACs DB0 is the least-sig- nificant-bit WR (9) This is the WRITE command input pin This input is used in conjunction with ...

Page 8

Functional Description The DAC0890 is a monolithic dual 8-bit bipolar Digital-to-An- alog converter comprising six major functional blocks de- signed to operate on a single supply as low These include two latch DAC combinations two high-speed output ...

Page 9

Applications Information Full-Scale Output Voltage Range Selection The DAC0890 has been designed for ease of use All refer- ence voltage and output amplifier connections are internal All trims such as full-scale (gain) and zero (offset) are per- formed during manufacturing ...

Page 10

Minimizing Settling Time The DAC0890’s output stage uses a passive pull-down re- sistor to achieve single supply operation and an output volt- age range that includes ground This results in a negative- going settling time that is longer than the ...

Page 11

11 ...

Page 12

... National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Cerdip Dual-In-Line Package (J) Order Number DAC0890CIJ NS Package Number J20A 2 A critical component is any component of a life ...

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