DatasheetsPDF.com

MCP4251

Microchip Technology
Part Number MCP4251
Manufacturer Microchip Technology
Description 7/8-Bit Single/Dual SPI Digital POT
Published Jul 1, 2014
Detailed Description MCP414X/416X/424X/426X 7/8-Bit Single/Dual SPI Digital POT with Non-Volatile Memory Features • Single or Dual Resistor...
Datasheet PDF File MCP4251 PDF File

MCP4251
MCP4251

Overview
MCP414X/416X/424X/426X 7/8-Bit Single/Dual SPI Digital POT with Non-Volatile Memory 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 kΩ - 10 kΩ - 50 kΩ - 100 kΩ • Zero-Scale to Full-Scale Wiper operation • Low Wiper Resistance: 75Ω (typical) • Low Tempco: - Absolute (Rheostat): 50 ppm typical (0°C to 70°C) - Ratiometric (Potentiometer): 15 ppm typical • Non-volatile Memory - Automatic Recall of Saved Wiper Setting - WiperLock™ Technology • SPI serial interface (10 MHz, modes 0,0 & 1,1) - High-Speed Read/Writes to wiper registers - Read/Write to Data EEPROM registers - Serially enabled EEPROM write protect - SDI/SDO multiplexing (MCP41X1 only) • Resistor Network Terminal Disconnect Feature via: - Shutdown pin (SHDN) - 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 • Supports Split Rail Applications • Internal weak pull-up on all digital inputs • Wide Operating Voltage: - 2.
7V to 5.
5V - Device Characteristics Specified - 1.
8V to 5.
5V - Device Operation • Wide Bandwidth (-3dB) Operation: - 2 MHz (typical) for 5.
0 kΩ device • Extended temperature range (-40°C to +125°C) Description The MCP41XX and MCP42XX devices offer a wide range of product offerings using an SPI interface.
WiperLock Technology allows application-specific calibration settings to be secured in the EEPROM.
Package Types (top view) MCP41X1 Single Potentiometer CS 1 SCK 2 SDI/SDO 3 VSS 4 8 VDD 7 P0B 6 P0W 5 P0A PDIP, SOIC, MSOP MCP41X2 Single Rheostat CS 1 SCK 2 SDI 3 VSS 4 8 VDD 7 SDO 6 P0B 5 P0W PDIP, SOIC, MSOP CS 1 8 VDD SCK 2 EP 7 P0B SDI/SDO 3 9 6 P0W VSS ...


Similar Datasheet


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)