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MCP4462-103EST
MCP444X/446X 7/8-Bit Quad I2C Digital POT with Nonvolatile Memory © 2010 Microchip Technology Inc. MCP44X1 Quad Potentiometers P3A P3W P3B HVC/A0 SCL SDA VSS P1B P1W P1A 20 19 18 17 16 15 14 12 12 11 1 2 3 4 5 6 7 8 9 10 P2A P2W P2B VDD A1 RESET WP P0B P0W P0A P2B P2W P2A P3A P3W TSSOP 20 19 18 17 16 P3B 1 2 3 4 VSS 5 13 7 8 WP 11 6 RESET P0B 9 10 P0W SDA VDD 12 EP 21 P0A SCL P1A HVC/A0 15 14 A1 P1B • Quad Resistor Network • Potentiometer or Rheostat configuration options • Resistor Network Resolution - 7-bit: 128 Resistors (129 Taps) - 8-bit: 256 Resistors (257 Taps) • RAB Resistances options of: - 5 kΩ - 10 kΩ - 50 kΩ - 100 kΩ • Zero Scale to Full Scale Wiper operation • Low Wiper Resistance: 75 Ω (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 - 5 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/disable - WiperLock to be enabled/disabled • Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register • Reset input pin • 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 (except SCL and SDA) • Wide Operating Voltage: - 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 kΩ device • Extended temperature range (-40°C to +125°C) • Package Types: 4x4 QFN-20, TSSOP-20 and TSSOP-14 Package Types (Top View) P1W Features 4x4 QFN MCP44X2 Quad Rheostat P3W P3B HVC/A0 SCL SDA VSS P1B 1 2 3 4 5 6 7 14 13 12 11 10 9 8 P2W P2B VDD A1 P0B P0W P1W TSSOP DS22265A-page 1
MICROCHIP
Microchip Technology
U.S.A
マイクロコントローラのPICシリーズ（PICmicro、dsPIC / PIC24、PIC32）、シリアルEEPROM、シリアルSRAM、KEELOQ（英語版）デバイス、RFデバイス、温度センサ、電源管理デバイス（アナログ）、インタフェースデバイスなどの製品がある。インタフェースデバイスとしては、USB、ZigBee/MiWi（英語版）、Controller Area Network、イーサネットなどがある。
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