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Home » NEWEST Products » New by Manufacturer » Texas Instruments » DAC161S997 16-bit Delta-Sigma DAC - TI
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Texas Instruments DAC161S997 16-bit Delta-Sigma DAC
Texas Instruments DAC161S997 16-bit Delta-Sigma DAC

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TI DAC161S997 16-bit Delta-Sigma DAC

Texas Instruments DAC161S997 16-bit Delta-Sigma Digital-to-Analog Converter (DAC) is a very low power device for transmitting an analog output current over an industry standard 4-20mA current loop. TI DAC161S997 has a simple 4-wire SPI for data transfer and configuration of the DAC functions. TI DAC161S997 reduces power and component count in compact loop-powered applications through an internal ultra-low power voltage reference and an internal oscillator. The low power consumption of TI DAC161S997 results in additional current being available for the remaining portion of the system. The loop drive of DAC161S997 interfaces to a Highway Addressable Remote Transducer modulator, allowing injection of FSK modulated digital data into the 4-20mA current loop. This combination of specifications and features makes DAC161S997 ideal for 2- and 4-wire industrial transmitters.


Features
  • 16-bit Resolution
  • Very Low Supply Current of 100 µA
  • 5 ppmFS/°C Gain Error
  • Pin-Programmable Power-Up Condition
  • Loop-Error Detection and Reporting
  • Programmable Output-Current Error Levels
  • Simple HART Modulator Interfacing
  • Highly Integrated Feature Set in Small Footprint
  • WQFN-16 (4 × 4 mm, 0.5 mm Pitch)
Applications
  • Two-Wire 4-20mA Current-Loop Transmitter
  • Loop-Power Transmitters
  • Industrial Process Control
  • Actuator Control

Block Diagram
Block Diagram
  • Texas Instruments