Microchip Technology Debuts MCP47A1 Digital-to-Analog Converter

Microchip Technology MCP47A1 Digital-to-Analog Converter

Microchip Technology announced their MCP47A1 Digital-to-Analog Converter. The volatile DAC is a low-power, low-cost device that features a 1.8-5.5V wide operating voltage range. The MCP47A1 DAC is available now for sampling and volume production. It is priced at $0.42 each in 5,000-unit quantities. The chip is offered in a 6-pin SC70 package. The MCP47A1 is ideal for applications in the automotive, audio and industrial markets; such as portable, handheld battery-operated products; and applications such as set-point or offset trimming and sensitive mechanical-trim pot replacement.

Microchip TMCP47A1 6-Bit Volatile DAC with Command Code

The Microchip MCP47A1 is optimized for system power reduction and cost reduction. It has an extended temperature range of -40 to +125 degrees Celsius, and can be used in high-temperature automotive and industrial applications. The MCP47A1 DAC features 65 taps, through an I2C interface, including taps to both full-scale and zero-scale, providing additional functionality.

Microchip MCP47A1 DAC Features

  • 6-Bit DAC
  • 65 Taps: 64 Resistors with Taps to Full-Scale and Zero-Scale (Wiper Code 00h to 40h)
  • VREF Pull-down Resistance: 20 kOhms (typical)
  • VOUT Voltage Range: VSS to VREF
  • I2C Protocol
  • Supports SMBus 2.0 Write Byte/Word Protocol Formats
  • Supports SMBus 2.0 Read Byte/Word Protocol Formats
  • Slave Addresses: 5Ch and 7Ch
  • Brown-out Reset Protection (1.5V typical)
  • Power-on Default Wiper Setting (Mid-scale)
  • Low-Power Operation: 90 µA Static Current (typical)
  • Wide Operating Voltage Range: – 1.8V to 5.5V
  • Low Tempco: 15 ppm (typical)
  • 100 kHz (typical) Bandwidth (-3 dB) Operation
  • Extended Temperature Range (-40°C to +125°C)
  • Small Packages, SC70-6
  • Lead Free (Pb-free) Package

More info: Microchip MCP47A1 6-Bit Volatile DAC with Command Code (pdf)