Datasheet Microchip MCP4542-502E/MS — 数据表

MCP454X/456X/464X/466X
7/8-Bit Single/Dual I2C Digital POT with
Nonvolatile 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 kпЃ—
-10 kпЃ—
-50 kпЃ—
-100 kпЃ— Zero-Scale to Full-Scale Wiper Operation Low Wiper Resistance: 75пЃ— (typical) Low Tempco:
-Absolute (Rheostat): 50 ppm typical
(0В°C to 70В°C)
-Ratiometric (Potentiometer): 15 ppm typical Nonvolatile Memory
-Automatic Recall of Saved Wiper Setting
-WiperLockв„ў 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 …

MCP453X/455X/463X/465X
7/8-Bit Single/Dual I2C Digital POT with
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 kпЃ—
-10 kпЃ—
-50 kпЃ—
-100 kпЃ— Zero-Scale to Full-Scale Wiper Operation Low Wiper Resistance: 75пЃ— (typical) Low Tempco:
-Absolute (Rheostat): 50 ppm typical
(0В°C to 70В°C)
-Ratiometric (Potentiometer): 15 ppm typical I2C Serial Interface
-100 kHz, 400 kHz and 3.4 MHz Support Serial Protocol Allows:
-High-Speed Read/Write to Wiper
-Increment/Decrement of Wiper Resistor Network Terminal Disconnect Feature
via the Terminal Control (TCON) Register 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 (typical) for 5.0 kпЃ— Device Extended Temperature Range (-40В°C to +125В°C) 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, volatile memory configurations, and …