Datasheet Microchip MCP4242-103E/UN — Ficha de datos

MCP414X/416X/424X/426X
7/8-Bit Single/Dual SPI Digital POT with
Non-Volatile Memory
Features Description 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
(0В°C to 70В°C)
-Ratiometric (Potentiometer): 15 ppm typical Non-volatile Memory
-Automatic Recall of Saved Wiper Setting
-WiperLockв„ў 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 …