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MCP4017/18/19
7-Bit Single I2C™ Digital POT with Volatile Memory in SC70
Features
• Potentiometer or Rheostat configuration options • 7-bit: Resistor Network Resolution - 127 Resistors (128 Steps) • Zero Scale to Full Scale Wiper operation • RAB Resistances: 5 kΩ, 10 kΩ, 50 kΩ, or 100 kΩ • Low Wiper Resistance: 100Ω (typical) • Low Tempco: - Absolute (Rheostat): 50 ppm typical (0°C to 70°C) - Ratiometric (Potentiometer): 10 ppm typical • Simple I2C Protocol with read & write commands • Brown-out reset protection (1.5V typical) • Power-on Default Wiper Setting (Mid-scale) • Low-Power Operation: - 2.5 µA Static Current (typical) • Wide Operating Voltage Range: - 2.7V to 5.5V - Device Characteristics Specified - 1.8V to 5.5V - Device Operation
Package Types
Potentiometer MCP4018 SC70-6
VDD 1 VSS 2 SCL 3 B A W 6 A 5 W 4 SDA VDD 1 VSS 2 SCL 3 A
Rheostat MCP4017 SC70-6
W B 6 W 5 B 4 SDA
MCP4019 SC70-5
VDD 1 VSS 2 SCL 3 B W A 5 W
4 SDA
• Wide Bandwidth (-3 dB) Operation: - 2 MHz (typical) for 5.0 kΩ device • Extended temperature range (-40°C to +125°C) • Very small package (SC70) • Lead free (Pb-free) package
Device Features
# of Steps Control Interface Memory Type Resistance (typical) Options (kΩ) 5.0, 10.0, 50.0, 100.0 5.0, 10.0, 50.0, 100.0 5.0, 10.0, 50.0, 100.0 Wiper (Ω) 75 75 75 VDD Operating Range (1) 1.8V to 5.5V 1.8V to 5.5V 1.8V to 5.5V
Device MCP4017 MCP4018 MCP4019
Wiper Configuration Rheostat Potentiometer Rheostat
Package SC70-6 SC70-6 SC70-5
I2C I2C I2C
128 128 128
RAM RAM RAM
Note 1: Analog characteristics only tested from 2.7V to 5.5V
© 2009 Microchip Technology Inc.
DS22147A-page 1
MCP4017/18/19
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Device Block Diagram
VDD VSS Power-up/ Brown-out Control I2C Serial Interface Module, Control Logic, & Memory A (2) W Resistor Network 0 (Pot 0) Note 1 B (1, 2) Note 1: Some configurations will have this signal internally connected to ground. 2: In some configurations, this signal may not be connected externally (internally floating or grounded).
SCL SDA
Comparison of Similar Microchip Devices (1)
# of Steps Resistance (typical) Wiper Configuration Rheostat Rheostat Rheostat Rheostat Rheostat Rheostat Rheostat Rheostat Rheostat Rheostat Rheostat Potentiometer Potentiometer Potentiometer Rheostat Rheostat Rheostat VDD Operating Range (2) 1.8V to 5.5V 1.8V to 5.5V 2.7V to 5.5V 1.8V to 5.5V 2.7V to 5.5V 1.8V to 5.5V 2.7V to 5.5V 1.8V to 5.5V 2.7V to 5.5V 1.8V to 5.5V 2.7V to 5.5V 1.8V to 5.5V 1.8V to 5.5V 2.7V to 5.5V 1.8V to 5.5V 1.8V to 5.5V 2.7V to 5.5V HV Interface Memory Type WiperLock Technology No No Yes No Yes No Yes No Yes No Yes No No Yes No No Yes SC70-6 SOT-23-6 SOT-23-6 SC70-5 SOT-23-5 SOT-23-5 Control Interface
Device MCP4017 MCP4012 MCP4022 MCP4132 MCP4142 MCP4152 MCP4162 MCP4532 MCP4542 MCP4552 MCP4562 MCP4018 MCP4013 MCP4023 MCP4019 MCP4014 MCP4024 Note 1:
Options (kΩ) 5.0, 10.0, 50.0, 100.0 2.1, 5.0, 10.0, 50.0 2.1, 5.0, 10.0, 50.0 5.0, 10.0, 50.0, 100.0 5.0, 10.0, 50..