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MCP40D18 Datasheet(PDF) 1 Page - Microchip Technology |
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MCP40D18 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 66 page  © 2009 Microchip Technology Inc. DS22152B-page 1 MCP40D17/18/19 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: 100 Ω (typical) • Low Tempco: - Absolute (Rheostat): 50 ppm typical (0°C to 70°C) - Ratiometric (Potentiometer): 15 ppm typical •I2C Protocol - Supports SMBus 2.0 Write Byte/Word Protocol Formats - Supports SMBus 2.0 Read Byte/Word Protocol Formats • Standard I2C Device Addresses: - All devices offered with address “0101110” - MCP40D18 also offered with address “0111110” • 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 • Wide Bandwidth (-3 dB) Operation: - 2 MHz (typical) for 5.0 k Ω device • Extended temperature range (-40°C to +125°C) • Very small package (SC70) • Lead free (Pb-free) package Package Types Applications • PC Servers (I2C Protocol with Command Code) • Amplifier Gain Control and Offset Adjustment • Sensor Calibration (Pressure, Temperature, Position, Optical and Chemical) • Set point or offset trimming • Cost-sensitive mechanical trim pot replacement • RF Amplifier Biasing • LCD Brightnes and Contract Adjustment Device Features MCP40D18 SC70-6 MCP40D19 SC70-5 Rheostat 4 1 2 3 5 W SDA VDD VSS SCL 4 1 2 3 6 A SDA VDD VSS SCL 5 W A W W A B B Potentiometer MCP40D17 SC70-6 4 1 2 3 6 W SDA VDD VSS SCL 5 B A W B Device Wiper Configuration Resistance (typical) VDD Operating Range (1) Package Options (k Ω) Wiper ( Ω) MCP40D17 I2C 128 Rheostat RAM 5.0, 10.0, 50.0, 100.0 75 1.8V to 5.5V SC70-6 MCP40D18 I2C 128 Potentiometer RAM 5.0, 10.0, 50.0, 100.0 75 1.8V to 5.5V SC70-6 MCP40D19 I2C 128 Rheostat RAM 5.0, 10.0, 50.0, 100.0 75 1.8V to 5.5V SC70-5 Note 1: Analog characteristics only tested from 2.7V to 5.5V 7-Bit Single I2C™ (with Command Code) Digital POT with Volatile Memory in SC70 |
Similar Part No. - MCP40D18 |
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Similar Description - MCP40D18 |
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