Document
MCP48FVBXX
8-/10-/12-Bit Single/Dual Voltage Output Volatile Digital-to-Analog Converters with SPI Interface
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 (256 Steps) - 10-bit: MCP48FVB1X (1024 Steps) - 12-bit: MCP48FVB2X (4096 Steps)
• Rail-to-Rail Output • Fast Settling Time of 7.8 µs (typical) • DAC Voltage Reference Source Options:
- Device VDD - External VREF 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
(100 k or 1 k) • Low Power Consumption:
- Normal operation: <180 µA (Single), 380 µA (Dual)
- Power-down operation: 650 nA typical • SPI Interface:
- Supports ‘00’ and ‘11’ modes - Up to 20 MHz writes and 10 MHz reads - I.