8, 10, 12 bit SPI DAC

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8/10/12-Bit Digital-to-Analog Converters, 1 LSb INL
Single/Dual Voltage Outputs with SPI Interface

Features
• Memory Options:
- Volatile memory: MCP48CVBXX
- Nonvolatile memory: MCP48CMBXX
• Operating Voltage Range:
- 2.7V to 5.5V – Full specifications
- 1.8V to 2.7V – Reduced device specifications
• Output Voltage Resolutions:
- 8-Bit: MCP48CXB0X (256 steps)
- 10-Bit: MCP48CXB1X (1024 steps)
- 12-Bit: MCP48CXB2X (4096 steps)
• Nonvolatile Memory (MTP) Size: 32 Locations
• 1 LSb Integral Nonlinearity (INL) Specification
• DAC Voltage Reference Source Options:
- Device V DD
- External V REF pin (buffered or unbuffered)
- Internal band gap (1.214V typical)
• Output Gain Options:
- 1x (Unity)
- 2x (available when not using internal V DD as
voltage source)
• Power-on/Brown-out Reset (POR/BOR)
Protection
• Power-down Modes:
- Disconnects output buffer (High-Impedance)
- Selection of V OUT pull-down resistors
(100 k or 1 k)
• SPI Interface:
- Supports ‘00’ and ‘11’ modes
- 50 MHz write speed
- 25 MHz read speed
• Package Types:
- Dual: 16-lead 3 x 3 QFN, 10-lead MSOP,
10-lead 3 x 3 DFN
- Single: 16-lead 3 x 3 QFN, 10-lead MSOP,
10-lead 3 x 3 DFN
• Extended Temperature Range: -40°C to +125°C


Datasheet MCP48CXBXX
DataSheet MCP48CXDX1/2

 

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