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MCP4012 Dataheets PDF



Part Number MCP4012
Manufacturers Microchip Technology
Logo Microchip Technology
Description (MCP4011 - MCP4014) Low-Cost 64-Step Volatile Digital POT
Datasheet MCP4012 DatasheetMCP4012 Datasheet (PDF)

www.DataSheet4U.com MCP4011/2/3/4 Low-Cost 64-Step Volatile Digital POT Features • Volatile Digital Potentiometer in SOT-23, SOIC, MSOP and DFN packages • 64 Taps: 63 Resistors with Taps to terminal A and terminal B • Simple Up/Down (U/D) Protocol • Power-on Recall of Default Wiper Setting - Custom POR wiper settings available (contact factory) • Resistance Values: 2.1 kΩ, 5 kΩ, 10 kΩ or 50 kΩ • Low Tempco: - Absolute (Rheostat): 50 ppm (0°C to 70°C typ.) - Ratiometric (Potentiometer): 10 ppm (.

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www.DataSheet4U.com MCP4011/2/3/4 Low-Cost 64-Step Volatile Digital POT Features • Volatile Digital Potentiometer in SOT-23, SOIC, MSOP and DFN packages • 64 Taps: 63 Resistors with Taps to terminal A and terminal B • Simple Up/Down (U/D) Protocol • Power-on Recall of Default Wiper Setting - Custom POR wiper settings available (contact factory) • Resistance Values: 2.1 kΩ, 5 kΩ, 10 kΩ or 50 kΩ • Low Tempco: - Absolute (Rheostat): 50 ppm (0°C to 70°C typ.) - Ratiometric (Potentiometer): 10 ppm (typ.) • Low Wiper Resistance: 75Ω (typ.) • High-Voltage Tolerant Digital Inputs: Up to 12.5V • Low-Power Operation: 1 µA Max Static Current • Wide Operating Voltage Range: - 1.8V to 5.5V - Device Operation - 2.7V to 5.5V - Resistor Characteristics Specified • Extended Temperature Range: -40°C to +125°C • Wide Bandwidth (-3 dB) Operation: - 4 MHz (typ.) for 2.1 kΩ device Package Types MCP4011 SOIC, MSOP, DFN Potentiometer VDD 1 VSS 2 A 3 W 4 A W B 8 U/D 7 NC 6 B 5 CS VDD 1 VSS 2 U/D 3 B MCP4012 SOT-23-6 Rheostat A W 6 A 5 W 4 CS MCP4013 SOT-23-6 Potentiometer VDD 1 VSS 2 U/D 3 B A W 6 A 5 W 4 CS VDD 1 VSS 2 U/D 3 MCP4014 SOT-23-5 Rheostat W B A 5 W 4 CS Block Diagram A VDD Power-Up and Brown-Out Control Wiper Register (Resistor Array) VSS Description The MCP4011/2/3/4 devices are volatile, 6-bit Digital Potentiometers that can be configured as either a potentiometer or rheostat. The wiper setting is controlled through a simple Up/Down (U/D) serial interface. CS U/D 2-Wire Interface and Control Logic W B Device Features Wiper Configuration Memory POR Wiper Type Setting # of Wiper Steps (Ω) 75 75 75 75 64 64 64 64 VDD Operating Range (2) Control Interface Resistance (typical) Device Options (kΩ) 2.1, 5.0, 10.0, 50.0 2.1, 5.0, 10.0, 50.0 2.1, 5.0, 10.0, 50.0 2.1, 5.0, 10.0, 50.0 WiperLock™ Technology No No No No MCP4011 Potentiometer (1) MCP4012 MCP4013 MCP4014 Rheostat Potentiometer Rheostat RAM RAM RAM RAM Mid-Scale Mid-Scale Mid-Scale Mid-Scale 1.8V to 5.5V U/D 1.8V to 5.5V U/D 1.8V to 5.5V U/D 1.8V to 5.5V U/D 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 MCP4011/2/3/4 1.0 ELECTRICAL CHARACTERISTICS † Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is 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. Exposure to maximum rating conditions for extended periods may affect device reliability. Absolute Maximum Ratings † VDD ............................................................................................................. 6.5V CS and U/D inputs w.r.t VSS.................................... -0.3V to 12.5V A,B and W terminals w.r.t VSS..................... -0.3V to VDD + 0.3V Current at Input Pins ..................................................±10 mA Current at Supply Pins ...............................................±10 mA Current at Potentiometer Pins ...................................±2.5 mA Storage temperature .....................................-65°C to +150°C Ambient temp. with power applied ................-55°C to +125°C ESD protection on all pins ........... ≥ 4 kV (HBM), ≥ 400V (MM) Maximum Junction Temperature (TJ) . .........................+150°C AC/DC CHARACTERISTICS Electrical Specifications: Unless otherwise indicated, all parameters apply across the specified operating ranges. TA = -40°C to +125°C, 2.1 kΩ, 5 kΩ, 10 kΩ and 50 kΩ devices. Typical specifications represent values for VDD = 2.7V to 5.5V, VSS = 0V, TA = +25°C. Parameters Operating Voltage Range Sym VDD VDD Min 2.7 — Typ — 1.8 Max 5.5 — Units V V VDD = 1.8V, CS:VIHH = 8.5V, VIH = 1.8V, VIL = 0V, U/D:VIH = 1.8V, VIL = 0V The CS pin will be at one of three input levels (VIL, VIH or VIHH). (Note 6) 5.5V, CS = VSS, fU/D = 1 MHz 2.7V, CS = VSS, fU/D = 1 MHz Serial Interface Inactive (CS = VIH, U/D = VIH) -202 devices (Note 1) -502 devices (Note 1) -103 devices (Note 1) -503 devices (Note 1) Conditions CS Input Voltage VCS VSS — 12.5 V Supply Current IDD — — — 45 15 0.3 2.1 5 10 50 — — 1 2.52 6.0 12.0 60.0 µA µA µA kΩ kΩ kΩ kΩ Resistance (± 20%) RAB 1.68 4.0 8.0 40.0 Note 1: 2: 3: Resistance is defined as the resistance between terminal A to terminal B. INL and DNL are measured at VW with VA = VDD and VB = VSS. (-202 devices VA = 4V). MCP4011/13 only, test conditions are: IW = 1.9 mA, code = 00h. MCP4012/14 only, test conditions are: Device Resistance 2.1 kΩ 5 kΩ 10 kΩ 50 kΩ Current at Voltage 5.5V 2.25 mA 1.4 mA 450 µA 90 µA 2.7V 1.1 mA 450 µA 210 µA 40 µA Comments MCP4012 includes VWZSE MCP4014 includes VWFSE 4: 5: 6: 7: 8: 9: Resistor terminals A, W and B’s polarity with respect to each other is not restricted. This specification by design. Non-linear.


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