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DAC8501 Dataheets PDF



Part Number DAC8501
Manufacturers Burr-Brown Corporation
Logo Burr-Brown Corporation
Description Low-Power/ Rail-to-Rail Output/ 16-Bit Serial Input DIGITAL-TO-ANALOG CONVERTER
Datasheet DAC8501 DatasheetDAC8501 Datasheet (PDF)

DAC8501 SBAS212A – APRIL 2001 – REVISED FEBRUARY 2003 Low-Power, Rail-to-Rail Output, 16-Bit Serial Input DIGITAL-TO-ANALOG CONVERTER FEATURES q microPOWER OPERATION: 250µA at 5V q MULTIPLYING-MODE BANDWIDTH: 350kHz q POWER-ON RESET TO ZERO q POWER SUPPLY: +2.7V to +5.5V q ENSURED MONOTONIC BY DESIGN q SETTLING TIME: 10µs to ±0.003% FSR q LOW-POWER SERIAL INTERFACE WITH SCHMITT-TRIGGERED INPUTS q ON-CHIP OUTPUT BUFFER AMPLIFIER, RAIL-TO-RAIL OPERATION q SYNC INTERRUPT FACILITY q MSOP-8 PACKAGE .

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DAC8501 SBAS212A – APRIL 2001 – REVISED FEBRUARY 2003 Low-Power, Rail-to-Rail Output, 16-Bit Serial Input DIGITAL-TO-ANALOG CONVERTER FEATURES q microPOWER OPERATION: 250µA at 5V q MULTIPLYING-MODE BANDWIDTH: 350kHz q POWER-ON RESET TO ZERO q POWER SUPPLY: +2.7V to +5.5V q ENSURED MONOTONIC BY DESIGN q SETTLING TIME: 10µs to ±0.003% FSR q LOW-POWER SERIAL INTERFACE WITH SCHMITT-TRIGGERED INPUTS q ON-CHIP OUTPUT BUFFER AMPLIFIER, RAIL-TO-RAIL OPERATION q SYNC INTERRUPT FACILITY q MSOP-8 PACKAGE DESCRIPTION The DAC8501 is a low-power, single, 16-bit buffered voltage output Digital-to-Analog Converter (DAC) optimized for multiplying operation. Its on-chip precision output amplifier allows rail-to-rail output swing to be achieved. The DAC8501 uses a versatile 3-wire serial interface that operates at clock rates up to 30MHz and is compatible with standard SPI™, QSPI™, Microwire™, and Digital Signal Processor (DSP) interfaces. The DAC8501 requires an external reference voltage to set the output range of the DAC. The DAC8501 incorporates a power-on reset circuit that ensures that the DAC output powers up at 0V and remains there until a valid write takes place to the device. The DAC8501 contains a power-down feature, accessed over the serial interface, that reduces the current consumption of the device to 200nA at 5V. The low-power consumption of this part in normal operation makes it ideally suited to portable battery-operated equipment. The power consumption is 1.2mW at 5V reducing to 1µW in power-down mode. The DAC8501 is available in an MSOP-8 package. SPI and QSPI are registered trademarks of Motorola. Microwire is a registered trademark of National Semiconductor. APPLICATIONS q q q q q q PROCESS CONTROL DATA ACQUISITION SYSTEMS CLOSED-LOOP SERVO-CONTROL PC PERIPHERALS PORTABLE INSTRUMENTATION PROGRAMMABLE ATTENUATION VDD VFB VREF Ref (+) 16-Bit DAC VOUT 16 DAC Register 16 SYNC SCLK DIN Power-Down Control Logic Resistor Network Shift Register GND Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 2001-2003, Texas Instruments Incorporated ABSOLUTE MAXIMUM RATINGS(1) VDD to GND ........................................................................... –0.3V to +6V Digital Input Voltage to GND ................................. –0.3V to +VDD + 0.3V VOUT to GND .......................................................... –0.3V to +VDD + 0.3V VREF to GND ........................................................... –0.3V to +VDD + 0.3V VFB to GND ............................................................. –0.3V to +VDD + 0.3V Operati.


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