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MCP4541 Datasheet(PDF) 1 Page - Microchip Technology |
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MCP4541 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 102 page  2008-2013 Microchip Technology Inc. DS22107B-page 1 MCP454X/456X/464X/466X Features • Single or Dual Resistor Network Options • Potentiometer or Rheostat Configuration Options • Resistor Network Resolution - 7-bit: 128 Resistors (129 Steps) - 8-bit: 256 Resistors (257 Steps) •RAB Resistances Options of: -5 k -10 k -50 k -100 k • Zero-Scale to Full-Scale Wiper Operation • Low Wiper Resistance: 75 (typical) •Low Tempco: - Absolute (Rheostat): 50 ppm typical (0°C to 70°C) - Ratiometric (Potentiometer): 15 ppm typical • Nonvolatile Memory - Automatic Recall of Saved Wiper Setting - WiperLock™ Technology - 10 General Purpose Memory Locations •I2C Serial Interface - 100 kHz, 400 kHz and 3.4 MHz Support • Serial Protocol Allows: - High-Speed Read/Write to Wiper - Read/Write to EEPROM - Write Protect to be Enabled/Disabled - WiperLock to be Enabled/Disabled • Resistor Network Terminal Disconnect Feature via the Terminal Control (TCON) Register • Write Protect Feature: - Hardware Write Protect (WP) Control Pin - Software Write Protect (WP) Configuration Bit • Brown-out Reset Protection (1.5V typical) • Serial Interface Inactive Current (2.5 uA typical) • High-Voltage Tolerant Digital Inputs: Up to 12.5V • Wide Operating Voltage: - 2.7V to 5.5V - Device Characteristics Specified - 1.8V to 5.5V - Device Operation • Wide Bandwidth (-3dB) Operation: - 2 MHz (typ.) for 5.0 k Device • Extended Temperature Range (-40°C to +125°C) Description The MCP45XX and MCP46XX devices offer a wide range of product offerings using an I2C interface. This family of devices support 7-bit and 8-bit resistor networks, nonvolatile memory configurations, and Potentiometer and Rheostat pinouts. WiperLock Technology allows application-specific calibration settings to be secured in the EEPROM. Package Types (top view) 1 2 3 45 6 7 8 P0W P0B P0A VSS VDD MCP45X1 Single Potentiometer MSOP HVC / A0 SDA SCL 1 2 3 45 6 7 8 P0B A1 P0W VDD MSOP 1 2 3 4 11 12 13 14 A2 A1 WP VDD MCP46X1 Dual Potentiometers TSSOP 5 6 7 8 9 10 P0W P0B P0A P1A P1W P1B VSS HVC / A0 SDA SCL VSS HVC/A0 SDA SCL QFN-16 4x4 (ML) * 1 2 3 4 7 8 9 10 A1 VDD MCP46X2 Dual Rheostat MSOP 5 6 P0B P0W P1W P1B VSS HVC/A0 SDA SCL MCP45X2 Single Rheostat DFN 3x3 (MF) * DFN 3x3 (MF) * SDA SCL VSS A1 P0B 1 2 3 4 8 7 6 5 P0W VDD HVC / A0 * Includes Exposed Thermal Pad (EP); see Table 3-1. EP 9 DFN 3x3 (MF) * SDA SCL VSS P0B P0W 1 2 3 4 8 7 6 5 P0A VDD HVC / A0 EP 9 2 VSS VSS SCL WP NC P0B P0W SDA EP 16 1 15 14 13 3 4 12 11 10 9 56 7 8 17 SDA SCL VSS A1 P0B 1 2 3 4 10 9 8 7 P0W VDD HVC / A0 EP 11 P1B 5 6 P1W 7/8-Bit Single/Dual I2C Digital POT with Nonvolatile Memory |
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