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Analog Devices - Quad 8-Bit Multiplying CMOS D/A Converter with Memory

Numéro de référence DAC8408FT
Description Quad 8-Bit Multiplying CMOS D/A Converter with Memory
Fabricant Analog Devices 
Logo Analog Devices 





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DAC8408FT fiche technique
a
Quad 8-Bit Multiplying CMOS
D/A Converter with Memory
DAC8408
FEATURES
Four DACs in a 28 Pin, 0.6 Inch Wide DIP or 28-Pin JEDEC
Plastic Chip Carrier
؎1/4 LSB Endpoint Linearity
Guaranteed Monotonic
DACs Matched to Within 1%
Microprocessor Compatible
Read/Write Capability (with Memory)
TTL/CMOS Compatible
Four-Quadrant Multiplication
Single-Supply Operation (+5 V)
Low Power Consumption
Latch-Up Resistant
Available In Die Form
APPLICATIONS
Voltage Set Points in Automatic Test Equipment
Systems Requiring Data Access for Self-Diagnostics
Industrial Automation
Multichannel Microprocessor-Controlled Systems
Digitally Controlled Op Amp Offset Adjustment
Process Control
Digital Attenuators
GENERAL DESCRIPTION
The DAC8408 is a monolithic quad 8-bit multiplying digital-to-
analog CMOS converter. Each DAC has its own reference input,
feedback resistor, and onboard data latches that feature
read/write capability. The readback function serves as memory
for those systems requiring self-diagnostics.
A common 8-bit TTL/CMOS compatible input port is used to
load data into any of the four DAC data-latches. Control lines
DS1, DS2, and A/B determine which DAC will accept data.
Data loading is similar to that of a RAMs write cycle. Data can
be read back onto the same data bus with control line R/W. The
DAC8408 is bus compatible with most 8-bit microprocessors,
including the 6800, 8080, 8085, and Z80. The DAC8408 oper-
ates on a single +5 volt supply and dissipates less than 20 mW.
The DAC8408 is manufactured using PMI’s highly stable,
thin-film resistors on an advanced oxide-isolated, silicon-gate,
CMOS process. PMI’s improved latch-up resistant design elimi-
nates the need for external protective Schottky diodes.
ORDERING INFORMATION1
Model
Temperature Package
INL DNL Range
Description
DAC8408GP ± 1/4 LSB ± 1/2 LSB 0°C to +70°C
DAC8408ET ± 1/4 LSB ± 1/2 LSB –40°C to +85°C
DAC8408AT2 ± 1/4 LSB ± 1/2 LSB –55°C to +125°C
DAC8408FT ± 1/2 LSB ± 1 LSB –40°C to +85°C
DAC8408BT2 ± 1/2 LSB ± 1 LSB –55°C to +125°C
DAC8408FPC3 ± 1/2 LSB ± 1 LSB –40°C to +85°C
DAC8408FS ± 1/2 LSB ± 1 LSB –40°C to +85°C
DAC8408FP ± 1/2 LSB ± 1 LSB –40°C to +85°C
28-Pin Plastic DIP
28-Pin Cerdip
28-Pin Cerdip
28-Pin Cerdip
28-Pin Cerdip
28-Contact PLCC
28-Pin SOL
28-Pin Plastic DIP
NOTES
1Burn-in is available on commercial and industrial temperature range parts
in cerdip, plastic DIP, and TO-can packages. For outline information see Pack-
age Information section.
2For devices processed in total compliance to MIL-STD-883, add /883 after
part number. Consult factory for 883 data sheet.
3For availability and burn-in information on SO and PLCC packages, contact
your local sales office.
FUNCTIONAL BLOCK DIAGRAM
DAC8408
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703

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