Microchip Technology MCP48FVBx/FEBx Volatile/Nonvolatile DACs

Microchip Technology MCP48FVBx/FEBx Volatile/Nonvolatile DACs are single- and dual-channel buffered voltage output DACs with volatile/nonvolatile memory. These DACs use the SPI-compatible serial interface that supports 20MHz writes and 10MHz reads, and their input buffers support interfacing with low-voltage digital devices. The MCP48FVBx/FEBx DACs can select the V_REF pin, the device V_DD, or the internal band-gap voltage as its voltage. The output buffer's gain can be set to 1 or 2 when the V_REF pin is used. These DACs offer rail-to-rail output, 7.8µs fast settling time, power-on/brown-out reset protection, and low power consumption. The Microchip Technology MCP48FVBx/FEBx DACs are available in a 10-lead MSOP package and operate within the -40°C to +125°C temperature range. These DACs are ideal for PC peripherals, low-power portable instrumentation, data acquisition systems, set-point or offset trimming, and sensor calibration.

Features

Operating voltage range
- 2.7V to 5.5V (full specifications)
- 1.8V to 2.7V (reduced device specifications)
Output voltage resolutions
- 8-bit: MCP48FVB0X/MCP48FEB0X (256 steps)
- 10-bit: MCP48FVB1X/MCP48FEB1X (1024 steps)
- 12-bit: MCP48FVB2X/MCP48FEB2X (4096)
Rail-to-rail output
7.8µs fast settling time
DAC voltage reference source options
- Device V_DD
- External V_REF pin (buffered or unbuffered)
- Internal band-gap (1.22V typical)
Output gain options
- Unity (1x)
- 2x

Power-on/brown-out reset protection
Power-down modes
- Disconnects output buffer (high impedance)
- Selection of VOUT pull-down resistors (100kΩ or 1kΩ)
Low power consumption
SPI interface
- Supports '00' and '11' modes
- Up to 20MHz writes and 10MHz reads
- Input buffer support interfacing to low-voltage digital devices
10-lead MSOP package
-40°C to +125°C operating temperature range