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TLV5614

  

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Part NameTLV5614 Texas-Instruments
Texas Instruments Texas-Instruments
Description2.7-V TO 5.5-V 12-BIT 3-µS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN
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description
The TLV5614 is a quadruple 12-bit voltage output digital-to-analog converter (DAC) with a flexible 4-wire serial interface. The 4-wire serial interface allows glueless interface to TMS320, SPI, QSPI, and Microwire serial ports. The TLV5614 is programmed with a 16-bit serial word comprised of a DAC address, individual DAC control bits, and a 12-bit DAC value. The device has provision for two supplies: one digital supply for the serial interface (via pins DVDD and DGND), and one f the DACs, reference buffers, and output buffers (via pins AVDD and AGND). Each supply is independent of the other, and can be any value between 2.7 V and 5.5 V. The dual supplies allow a typical application where the DAC is controlled via a microprocessor operating on a 3 V supply (also used on pins DVDD and DGND), with the DACs operating on a 5 V supply. Of course, the digital and analog supplies can be tied together.

● Four 12-Bit D/A Converters
● Programmable Settling Time of Either 3 µs
   or 9 µs Typ
● TMS320, (Q)SPI, and Microwire
   Compatible Serial Interface
● Internal Power-On Reset
● Low Power Consumption:
   8 mW, Slow Mode – 5-V Supply
   3.6 mW, Slow Mode – 3-V Supply
● Reference Input Buffer
● Voltage Output Range . . . 2× the Reference
   Input Voltage
● Monotonic Over Temperature
● Dual 2.7-V to 5.5-V Supply (Separate Digital
   and Analog Supplies)
● Hardware Power Down (10 nA)
● Software Power Down (10 nA)
● Simultaneous Update

applications
● Battery Powered Test Instruments
● Digital Offset and Gain Adjustment
● Industrial Process Controls
● Machine and Motion Control Devices
● Communications
● Arbitrary Waveform Generation

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