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DAC8822QC Fiches technique(PDF) 1 Page - Burr-Brown (TI) |
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DAC8822QC Fiches technique(HTML) 1 Page - Burr-Brown (TI) |
1 / 21 page BurrBrown Products from Texas Instruments DAC8822 FEATURES DESCRIPTION APPLICATIONS I A OUT AGNDA R A 1 R A 1 DACA I B OUT AGNDB DACB DACA Register DACB Register DGND D0 D15 WR A0 A1 RS LDAC RSTSEL V DD R A COM V A REF R A OFS R A FB R A FB R A OFS R B 1 R B 2 R B OFS R B FB R B FB R B OFS V B REF R B COM R B 1 InputA Register Parallel Bus Interface Control Logic InputB Register R A 2 Power-On Reset DAC8822 SBAS390A – DECEMBER 2006 – REVISED MARCH 2007 16-Bit, Dual, Parallel Input, Multiplying Digital-to-Analog Converter • ±0.5LSB DNL The DAC8822 dual, multiplying digital-to-analog converter (DAC) is designed to operate from a single • ±1LSB INL 2.7V to 5.5V supply. • Low Noise: 12nV/√Hz The applied external reference input voltage VREF • Low Power Operation: determines the full-scale output current. An internal IDD = 1µA per Channel at 2.7V feedback resistor (RFB) provides temperature • 2mA Full-Scale Current, with V REF = 10V tracking for the full-scale output when combined with • Settling Time: 0.5µs an external, current-to-voltage (I/V) precision amplifier. • 16-Bit Monotonic • 4-Quadrant Multiplying Reference Inputs A RSTSEL pin allows system reset assertion (RS) to force all registers to zero code when RSTSEL = '0', • Reference Bandwidth: 10MHz or to midscale code when RSTSEL = '1'. Additionally, • Reference Input: ±18V an internal power-on reset forces all registers to zero • Reference Dynamics: –105 THD or midscale code at power-up, depending on the state of the RSTSEL pin. • Midscale or Zero Scale Reset • Analog Power Supply: +2.7V to +5.5V A parallel interface offers high-speed communications. The DAC8822 is packaged in a • TSSOP-38 Package space-saving TSSOP-38 package and has an • Industry-Standard Pin Configuration industry-standard pinout. The device is specified • Pin-Compatible with the 14-Bit DAC8805 from –40 °C to +125°C. • Temperature Range: –40°C to +125°C For a 14-bit, pin-compatible version, see the DAC8805. • Automatic Test Equipment • Instrumentation • Digitally Controlled Calibration • Industrial Control PLCs 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. All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2006–2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Numéro de pièce similaire - DAC8822QC |
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Description similaire - DAC8822QC |
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