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MFG:ADI D/C:09
Part Number: AD7841
MFG: ADI
D/C: 09
Description: The AD7841 contains eight 14-bit DACs on one monolithic chip. It has output voltages with a full-scale...
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AD7841
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DataSheet
General Description
AD7841 General Description
The AD7841 contains eight 14-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 AD7841 accepts 14-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 AD7841 is available in a 44-lead MQFP package.
AD7841 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 . . . . . . . . . . . . . . . . . . . . . . . . .+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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >4000 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 . . . . . . . . . . . . . . . . . . . . . . . . .+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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >4000 V
AD7841 Features
Eight 14-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
±15 V ± 10% Operation
Clear Function to User-Defined Voltage
44-Lead MQFP Package
Voltage Outputs
Offset Adjust for Each DAC Pair
Reference Range of ±5 V
Maximum Output Voltage Range of ±10 V
±15 V ± 10% Operation
Clear Function to User-Defined Voltage
44-Lead MQFP Package
AD7841 Typical Application
Automatic Test Equipment
Process Control
General Purpose Instrumentation
Process Control
General Purpose Instrumentation
AD7841 Connection Diagram
AD7841
PDF/DataSheet Download
- Datasheet: AD7841
- File Size: 794624 KB
- Manufacturer: AD
- Click here to Download
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