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MCP4352

Microchip Technology
Part Number MCP4352
Manufacturer Microchip Technology
Description (MCP434x / MCP436x) 7-bit (129 Wiper Steps) Digital Potentiometers
Published Mar 8, 2010
Detailed Description www.DataSheet4U.com MCP434X/436X 7/8-Bit Quad SPI Digital POT with Non-Volatile Memory Features • Quad Resistor Network...
Datasheet PDF File MCP4352 PDF File

MCP4352
MCP4352

Overview
www.
DataSheet4U.
com MCP434X/436X 7/8-Bit Quad SPI Digital POT with Non-Volatile Memory 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 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 • 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 • 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 • 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 (Top View) MCP43X1 Quad Potentiometers P3A P3W P3B CS SCK SDI VSS P1B P1W P1A 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 12 12 11 P2A P2W P2B VDD SDO RESET WP P0B P0W P0A TSSOP P3W P2W P2A P3A P2B 15 13 12 11 6 P1B 7 P1W 8 P1A 9 10 P0W P0A 20 19 18 17 16 P3B CS SCK SDI VSS 1 2 3 4 5 EP 21 VDD RESET WP P0B 14 SDO 4x4 QFN MCP43X2 Quad Rheostat P3W P3B CS SCK SDI VSS P1B 1 2 3 4 5 6 7 14 13 12 11 10 9 8 TSSOP P2W P2B VDD SDO P0B P0W P1W © 2009 Microchip Technology Inc.
DS22233A-page 1 MCP434X/436X www.
DataShee...


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