MCP4012T-502E/CH Microchip

MCP4011/2/3/4 Low-Cost 64-Step Volatile Digital POT Package Types Features MCP4011 MCP4012 Volatile Digital Potentiometer in SOT-23, SOIC, MSOP and DFN packages SOIC, MSOP, DFN SOT-23-6 Potentiometer Rheostat 64 Taps: 63 Resistors with Taps to terminal A and terminal B V V A 1 8 U/D DD DD 1 6 A W Simple Up/Down (U/D) Protocol V V W 2 7 NC 2 5 SS SS Power-on Recall of Default Wiper Setting A B A 3 6 U/D CS B 3 4 B - Custom POR wiper settings available W W 4 5 CS (contact factory) MCP4014 Resistance Values: 2.1 k, 5 k, 10 k or 50 k MCP4013 Low Tempco: SOT-23-5 SOT-23-6 Rheostat Potentiometer - Absolute (Rheostat): 50 ppm (0C to 70C typ.) V A V W A 1 5 - Ratiometric (Potentiometer): 10 ppm (typ.) DD 1 6 DD W V V W Low Wiper Resistance: 75 (typ.) 2 5 SS 2 SS W B B A High-Voltage Tolerant Digital Inputs: Up to 12.5V U/D CS U/D CS 3 4 3 4 Low-Power Operation: 1 A Max Static Current Wide Operating Voltage Range: Block Diagram - 1.8V to 5.5V - Device Operation A - 2.7V to 5.5V - Resistor Characteristics V DD Power-Up Specified and Extended Temperature Range: -40C to +125C Brown-Out V SS Wide Bandwidth (-3 dB) Operation: Control - 4 MHz (typ.) for 2.1 k device 2-Wire W CS Description Interface and The MCP4011/2/3/4 devices are volatile, 6-bit Digital U/D Control Potentiometers that can be configured as either a Logic potentiometer or rheostat. The wiper setting is controlled through a simple Up/Down (U/D) serial interface. B Device Features Resistance (typical) V DD Wiper Memory POR Wiper of Device Operating Wiper Configuration Type Setting Steps (2) Options (k) Range () (1) MCP4011 Potentiometer RAM Mid-Scale 2.1, 5.0, 10.0, 50.0 75 64 1.8V to 5.5V U/D No MCP4012 Rheostat RAM Mid-Scale 2.1, 5.0, 10.0, 50.0 75 64 1.8V to 5.5V U/D No MCP4013 Potentiometer RAM Mid-Scale 2.1, 5.0, 10.0, 50.0 75 64 1.8V to 5.5V U/D No MCP4014 Rheostat RAM Mid-Scale 2.1, 5.0, 10.0, 50.0 75 64 1.8V to 5.5V U/D No Note 1: Floating either terminal (A or B) allows the device to be used in Rheostat mode. 2: Analog characteristics (resistor) tested from 2.7V to 5.5V 2006 Microchip Technology Inc. DS21978C-page 1 Wiper Register (Resistor Array) Control Interface WiperLock TechnologyMCP4011/2/3/4 Notice: Stresses above those listed under Maximum 1.0 ELECTRICAL Ratings may cause permanent damage to the device. This is CHARACTERISTICS a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Absolute Maximum Ratings Exposure to maximum rating conditions for extended periods V ............................................................................................................. 6.5V may affect device reliability. DD CS and U/D inputs w.r.t V -0.3V to 12.5V SS.................................... A,B and W terminals w.r.t V -0.3V to V + 0.3V SS..................... DD Current at Input Pins ..................................................10 mA Current at Supply Pins ...............................................10 mA Current at Potentiometer Pins ...................................2.5 mA Storage temperature .....................................-65C to +150C Ambient temp. with power applied ................-55C to +125C ESD protection on all pins ........... 4kV (HBM), 400V (MM) Maximum Junction Temperature (T )..........................+150C J AC/DC CHARACTERISTICS Electrical Specifications: Unless otherwise indicated, all parameters apply across the specified operating ranges. T = -40C to +125C, 2.1 k, 5k, 10 k and 50 k devices. Typical specifications represent values for V = 2.7V to 5.5V, A DD V = 0V, T = +25C. SS A Parameters Sym Min Typ Max Units Conditions Operating Voltage Range V 2.7 5.5 V DD V 1.8 V V = 1.8V, CS:V = 8.5V, DD DD IHH V = 1.8V, V = 0V, IH IL U/D:V = 1.8V, V = 0V IH IL CS Input Voltage V V 12.5 V The CS pin will be at one of three CS SS input levels (V , V or V ). IL IH IHH (Note 6) Supply Current I 45 A 5.5V, CS = V , f = 1 MHz DD SS U/D 15 A 2.7V, CS = V , f = 1 MHz SS U/D 0.3 1 A Serial Interface Inactive (CS = V , U/D = V ) IH IH Resistance R 1.68 2.1 2.52 k -202 devices (Note 1) AB ( 20%) 4.0 5 6.0 k -502 devices (Note 1) 8.0 10 12.0 k -103 devices (Note 1) 40.0 50 60.0 k -503 devices (Note 1) Note 1: Resistance is defined as the resistance between terminal A to terminal B. 2: INL and DNL are measured at V with V = V and V = V . (-202 devices V = 4V). W A DD B SS A 3: MCP4011/13 only, test conditions are: I = 1.9 mA, code = 00h. W 4: MCP4012/14 only, test conditions are: Current at Voltage Device Comments Resistance 5.5V 2.7V 2.1 k 2.25 mA 1.1 mA MCP4012 includes V WZSE MCP4014 includes V WFSE 5k 1.4 mA 450 A 10 k 450 A 210 A 50 k 90 A 40 A 5: Resistor terminals A, W and Bs polarity with respect to each other is not restricted. 6: This specification by design. 7: Non-linearity is affected by wiper resistance (R ), which changes significantly over voltage and temperature. See W Section 6.0 Resistor for additional information. 8: For voltages below 2.7V, refer to Section 2.0 Typical Performance Curves. 9: The MCP4011 is externally connected to match the configurations of the MCP4012 and MCP4014 and then tested. DS21978C-page 2 2006 Microchip Technology Inc.