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AD7841

Features: Eight 14-Bit DACs in One PackageVoltage OutputsOffset Adjust for Each DAC PairReference Range of ±5 VMaximum Output Voltage Range of ±10 V±15 V± 10% OperationClear Function to User-Defined Voltage44-Lead MQFP PackageApplicationAutomatic Test EquipmentProcess ControlGeneral Purpose Instru...

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SeekIC No. : 004271004 Detail

AD7841: Features: Eight 14-Bit DACs in One PackageVoltage OutputsOffset Adjust for Each DAC PairReference Range of ±5 VMaximum Output Voltage Range of ±10 V±15 V± 10% OperationClear Function to User-Defined...

AD7841 Data Sheet

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Part Number:
AD7841
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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




Application

Automatic Test Equipment
Process Control
General Purpose Instrumentation




Pinout

AD7841 Diagram

Connection Diagram




Specifications

DAC Input Format Par
# DAC Outputs 8
Pwr Diss 303mW
DAC Uni or Bip Uni/Bip
DAC Vout Swing max 20V p-p
Output FSR (Bip 2Vref),(Uni 2Vref)
Package QFP
Resolution (Bits) 14bit
Supply Vnom Multi(±15, +5Dig)


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




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.






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