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MFG:ADI D/C:09
Part Number: AD7839
MFG: ADI
D/C: 09
Description: The AD7839 contains eight 13-bit DACs on one monolithic chip. It has output voltages with a full-scale...
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AD7839
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General Description
AD7839 General Description
The AD7839 contains eight 13-bit DACs on one monolithic chip. It has output voltages with a full-scale range of ±10 V from reference voltages of ±5 V.
The AD7839 accepts 13-bit parallel loaded data from the external bus into one of the input registers under the control of the WR, CS and DAC channel address pins, A0A2.
The DAC outputs are updated on reception of new data into the DAC registers. All the outputs may be updated simultaneously by taking the LDAC input low.
Each DAC output is buffered with a gain-of-two amplifier into which an external DAC offset voltage can be inserted via the DUTGNDx pins.
The AD7839 is available in a 44-lead MQFP package.
AD7839 Maximum Ratings
VCC to GND3 . . . . . . . . . . . . . . .0.3 V, +7 V or VDD + 0.3 V
(Whichever Is Lower)
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V, +17 V
VSS to GND . . . . . . . . . . . . . . . . . . . .. . . . . . . +0.3 V, 17 V
Digital Inputs to GND . . . . . . . . . . . . . . 0.3 V, VCC + 0.3 V
VREF(+) to VREF() . . . . . . . . . . . . . . . . . . . . 0.3 V, +18 V
VREF(+) to GND . . . . . . . . . . . . . . . VSS 0.3 V, VDD + 0.3 V
VREF() to GND . . . . . . . . . . . . . . VSS 0.3 V, VDD + 0.3 V
DUTGND to GND . . . . . . . . . . .... . . VSS 0.3 V, VDD + 0.3 V
VOUT (AH) to GND . . . . . . . . .. . . VSS 0.3 V, VDD + 0.3 V
Operating Temperature Range
Industrial (A Version) . . . . . . . . . .. . . 40°C to +85°C
Storage Temperature Range . . . . . . . . . 65°C to +150°C
Junction Temperature (TJ max) . . . . . . .. . . . . . . . . .+150°C
MQFP Package
Power Dissipation . . . . . . . . . . . . . . . . (TJ max TA)/JA
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . 95°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . .+215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . .+220°C
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >4000 V
AD7839 Features
·Eight 13-Bit DACs in One Package
·Voltage Outputs
·Offset Adjust for Each DAC Pair
·Reference Range of ±5 V
·Maximum Output Voltage Range of ±10 V
·Clear Function to User-Defined Voltage
·44-Lead MQFP Package
AD7839 Typical Application
·Automatic Test Equipment
·Process Control
·General Purpose Instrumentation
AD7839 Connection Diagram
AD7839
PDF/DataSheet Download
- Datasheet: AD7839
- File Size: 169264 KB
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