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MCP4442T-503EML Datasheet(PDF) 1 Page - Microchip Technology |
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MCP4442T-503EML Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 100 page  © 2010 Microchip Technology Inc. DS22265A-page 1 MCP444X/446X Features • 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 k Ω -10 k Ω -50 k Ω -100 k Ω • 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 k Ω device • Extended temperature range (-40°C to +125°C) • Package Types: 4x4 QFN-20, TSSOP-20 and TSSOP-14 Package Types (Top View) MCP44X1 Quad Potentiometers TSSOP 1 2 3 4 14 15 17 18 4x4 QFN 6 7 89 12 13 RESET A1 WP SDA P3B SCL HVC/A0 19 20 VDD MCP44X2 Quad Rheostat TSSOP 5 VSS 10 11 P0B 16 1 2 3 4 17 18 19 20 RESET A1 WP VDD 5 6 7 14 15 16 P0W P0B P0A P1A P1W P1B VSS HVC/A0 SDA SCL 8 9 10 P3B P3W P3A 12 12 P2W P2A P2B 11 1 2 3 4 11 12 13 14 P0B A1 P0W VDD 5 6 7 8 9 10 P2W P1W P2B P3B P3W P1B VSS HVC/A0 SDA SCL EP 21 7/8-Bit Quad I2C Digital POT with Nonvolatile Memory |
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