MCP42010-E/ST Technical Specification Summary

General Information

• Part Number: MCP42010-E/ST
• Description: Dual Digital Potentiometer with SPI Interface
• Manufacturer: Microchip Technology
• Resistance: 10 kΩ
• Temperature Range: Extended Temperature Range (-40°C to +125°C)
• Package Type: 14-Lead Plastic Thin Shrink Small Outline (TSSOP)
• Package Body Size: 4.4 mm width
• Datasheet Number: DS11195C
• Revision Date: July 28, 2003

Features

• 256 Positions per Potentiometer
• 10kΩ Resistance Value
• SPI Interface (Mode 0,0 and 1,1)
• ±1 LSB Max INL & DNL
• Low Power CMOS Technology
• 1 μA Maximum Supply Current in Static Operation
• Hardware Shutdown Pin Available
• Single Supply Operation (2.7V to 5.5V)
• Extended Temperature Range: -40°C to +125°C

Pin Configuration

14-Lead TSSOP Package

• Pin 1 (CS): Chip Select
• Pin 2 (SCK): Serial Clock
• Pin 3 (SI): Serial Data Input
• Pin 4 (Vss): Ground
• Pin 5 (PB1): Terminal B Connection for Pot 1
• Pin 6 (PW1): Wiper Connection for Pot 1
• Pin 7 (PA1): Terminal A Connection for Pot 1
• Pin 8 (PA0): Terminal A Connection for Pot 0
• Pin 9 (PWO): Wiper Connection for Pot 0
• Pin 10 (PBO): Terminal B Connection for Pot 0
• Pin 11 (RS): Reset Input
• Pin 12 (SHDN): Shutdown Input
• Pin 13 (SO): Serial Data Output (for Daisy-Chaining)
• Pin 14 (VDD): Power

Electrical Characteristics

10 kΩ Version

• Nominal Resistance: 10 kΩ (TA = +25°C)
• Rheostat Differential Non-Linearity (R-DNL): ±1/4 LSB
• Rheostat Integral Non-Linearity (R-INL): ±1/4 LSB
• Wiper Resistance (RW): 52 Ω (VDD = 5.5V, IW = 1 mA, code 00h)
• Nominal Resistance Match (∆R/R): 0.2% (MCP42010 only, P0 to P1; TA = +25°C)
• Operating Voltage Range (VDD): 2.7V to 5.5V
• Supply Current (IDDA): 340 µA to 500 µA (Active, VDD = 5.5V, fSCK = 10 MHz)
• Supply Current (IDDS): 0.01 µA to 1 µA (Static)

Application Information

• SPI Interface: Supports SPI modes 0,0 and 1,1
• Daisy-Chaining: Multiple devices can be connected in a daisy-chain configuration using the SO pin
• Shutdown Mode: Hardware shutdown pin available for power-saving mode
• Reset Function: RS pin can be used to reset the device to mid-scale (Code 80h)

Ordering Information

• Device: MCP42010
• Package: 14-Lead Plastic Thin Shrink Small Outline (TSSOP)
• Temperature Range: Extended Temperature Range (-40°C to +125°C)

Additional Notes

• Power-up: Data registers are set to mid-scale (Code 80h) at power-up
• Communication: Data is clocked in on the rising edge of SCK and out on the falling edge of SCK
• Daisy-Chain: Maximum clock speed is approximately 5.8MHz when using the daisy-chain configuration