AD7801BR

+2.7 V to +5.5 V, Parallel Input, 8-Bit DAC, SOP20, Parallel Interface

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PartNumber:: AD7801BR

Brand:: Analog Devices - ADI | Pack: SOP | D/C: 10+

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Products Upload time: 2011-09-22

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Part Number:AD7801BR
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Product Summary

The AD7801BR is a single, 8-bit, voltage out DAC that operates from a single +2.7 V to +5.5 V supply. Its on-chip precision output buffer allows the DAC output to swing rail to rail. The AD7801BR has a parallel microprocessor and DSP compatible interface with high speed registers and double buffered interface logic. Data is loaded to the input register on the rising edge of CS or WR. Reference selection for the AD7801BR can be either an internal reference derived from the VDD or an external reference applied at the REFIN pin. The output of the DAC can be cleared by using the asynchronous CLR input.

Parametrics

AD7801BR absolute maximum ratings: (1)VDD to GND: –0.3 V to +7 V; (2)Reference Input Voltage to AGND: –0.3 V to VDD + 0.3 V; (3)Digital Input Voltage to DGND: –0.3 V to VDD + 0.3 V; (4)AGND to DGND: –0.3 V to +0.3 V; (5)VOUT to AGND: –0.3 V to VDD + 0.3 V; (6)Operating Temperature Range Commercial: –40℃ to +105℃; (7)Storage Temperature Range: –65v to +150℃; (8)Junction Temperature: +150℃; (9)SSOP Package, Power Dissipation: 700 mW; (10)qJA Thermal Impedance: 143℃/W; (11)Lead Temperature, Soldering, Vapor Phase: +215℃; Infrared: +220℃; (12)SOIC Package, Power Dissipation: 870 mW; (13)qJA Thermal Impedance: 74℃/W; (14)Lead Temperature, Soldering: Vapor Phase:+215℃; Infrared: +220℃.

Features

AD7801BR features: (1)Single 8-Bit DAC; (2)20-Pin SOIC/TSSOP Package; (3)+2.7 V to +5.5 V Operation; (4)Internal and External Reference Capability; (5)DAC Power-Down Function; (6)Parallel Interface; (7)On-Chip Output Buffer Rail-to-Rail Operation; (8)Low Power Operation 1.75 mA max @ 3.3 V; (9)Power-Down to 1 μA max @ 25℃.