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DAC707SH 데이터시트(PDF) 1 Page - Texas Instruments |
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DAC707SH 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 27 page Low-Power, Rail-to-Rail Output, 16-Bit Serial Input DIGITAL-TO-ANALOG CONVERTER APPLICATIONS q PROCESS CONTROL q DATA ACQUISITION SYSTEMS q CLOSED-LOOP SERVO-CONTROL q PC PERIPHERALS q PORTABLE INSTRUMENTATION q PROGRAMMABLE ATTENUATION DESCRIPTION The DAC8531 is a low-power, single, 16-bit buffered voltage output Digital-to-Analog Converter (DAC). Its on-chip preci- sion output amplifier allows rail-to-rail output swing to be achieved. The DAC8531 uses a versatile three-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 DAC8531 requires an external reference voltage to set the output range of the DAC. The DAC8531 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 DAC8531 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 equip- ment. The power consumption is 2mW at 5V reducing to 1 µW in power-down mode. The DAC8531 is available in both MSOP-8 and 3x3 SON-8 (same size as QFN) packages. FEATURES q microPower OPERATION: 250 µA at 5V q POWER-ON RESET TO ZERO q POWER SUPPLY: +2.7V to +5.5V q ENSURED MONOTONIC BY DESIGN q SETTLING TIME: 10 µs 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 PACKAGES: MSOP-8 and 3x3 SON-8 (same size as QFN) Shift Register 16 DAC Register 16 16-Bit DAC Ref (+) Power-Down Control Logic Resistor Network V DD GND V OUT V FB SYNC V REF SCLK D IN DAC8531 SBAS192B – MARCH 2001 – REVISED JUNE 2003 www.ti.com Copyright © 2001-2003, Texas Instruments Incorporated 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. All trademarks are the property of their respective owners. |
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