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DAC122S085CIMM 数据表(PDF) 1 Page - Texas Instruments |
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DAC122S085CIMM 数据表(HTML) 1 Page - Texas Instruments |
1 / 28 page VA VOUTA VOUTB NC NC SCLK DIN VREFIN GND SON 1 2 3 4 5 10 9 8 7 6 SYNC VA VOUTA VOUTB NC NC SCLK DIN VREFIN GND VSSOP 1 2 3 4 5 10 9 8 7 6 SYNC DAC122S085 www.ti.com SNAS361E – MAY 2006 – REVISED MARCH 2013 DAC122S085 12-Bit Micro Power DUAL Digital-to-Analog Converter with Rail-to-Rail Output Check for Samples: DAC122S085 1 FEATURES DESCRIPTION The DAC122S085 is a full-featured, general purpose 23 • Ensured Monotonicity DUAL 12-bit voltage-output digital-to-analog converter • Low Power Operation (DAC) that can operate from a single +2.7V to 5.5V • Rail-to-Rail Voltage Output supply and consumes 0.6 mW at 3V and 1.6 mW at 5V. The DAC122S085 is packaged in 10-lead SON • Power-on Reset to 0V and VSSOP packages. The 10-lead SON package • Simultaneous Output Updating makes the DAC122S085 the smallest DUAL DAC in • Wide power supply range (+2.7V to +5.5V) its class. The on-chip output amplifier allows rail-to- rail output swing and the three wire serial interface • Industry's Smallest Package operates at clock rates up to 40 MHz over the entire • Power Down Modes supply voltage range. Competitive devices are limited to 25 MHz clock rates at supply voltages in the 2.7V APPLICATIONS to 3.6V range. The serial interface is compatible with standard SPI™, QSPI, MICROWIRE and DSP • Battery-Powered Instruments interfaces. • Digital Gain and Offset Adjustment The reference for the DAC122S085 serves all four • Programmable Voltage & Current Sources channels and can vary in voltage between 1V and VA, • Programmable Attenuators providing the widest possible output dynamic range. The DAC122S085 has a 16-bit input shift register that KEY SPECIFICATIONS controls the outputs to be updated, the mode of operation, the powerdown condition, and the binary • Resolution: 12 Bits input data. Both outputs can be updated • INL: ±8 LSB (Max) simultaneously or individually depending on the • DNL: +0.7 / -0.5 setting of the two mode of operation bits. • Settling Time 8.5 µs (Max) A power-on reset circuit ensures that the DAC output • Zero Code Error: +15 mV (Max) powers up to zero volts and remains there until there is a valid write to the device. A power-down feature • Full-Scale Error: -0.75 %FS (Max) reduces power consumption to less than a microWatt • Supply Power with three different termination options. – Normal: 0.6 mW (3V) / 1.6 mW (5V) (Typ) The low power consumption and small packages of – Power Down: 0.3 µW (3V) / 0.8 µW (5V) the DAC122S085 make it an excellent choice for use (Typ) in battery operated equipment. The DAC122S085 is one of a family of pin compatible DACs, including the 8-bit DAC082S085 and the 10-bit DAC102S085. The DAC122S085 operates over the extended industrial temperature range of −40°C to +105°C. Pin Configuration 1 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. 2 SPI is a trademark of Motorola, Inc.. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2006–2013, 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. |
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