MCP4451 Series

8-Bit Quad Digital POT with I2C™

Catalog

8-Bit Quad Digital POT with I2C™

Part	Resistance (Ohms)	Number of Circuits	Features	Number of Taps	Interface	Configuration	Operating Temperature [Max]	Operating Temperature [Min]	Tolerance	Package / Case [y]	Package / Case	Package / Case [x]	Memory Type	Mounting Type	Resistance - Wiper (Ohms) (Typ)	Taper	Supplier Device Package	Voltage - Supply [Min]	Voltage - Supply [Max]	Temperature Coefficient (Typ)	Resistance (Ohms)
Microchip Technology MCP4451-103E/ST
Microchip Technology MCP4451T-103E/ST
Microchip Technology MCP4451T-503E/ML
Microchip Technology MCP4451T-103E/ST
Microchip Technology MCP4451T-503E/ML
Microchip Technology MCP4451-103E/ST	10k	4	Mute, Selectable Address	257	I2C	Potentiometer	125 °C	-40 °C	20 %	4.4 mm	20-TSSOP	0.173 in	Volatile	Surface Mount	75 Ohms	Linear	20-TSSOP	1.8 V	5.5 V	150 ppm/°C
Microchip Technology MCP4451T-503E/ML		4	Mute, Selectable Address	257	I2C	Potentiometer	125 °C	-40 °C	20 %		20-VFQFN Exposed Pad		Volatile	Surface Mount	75 Ohms	Linear	20-QFN (4x4)	1.8 V	5.5 V	150 ppm/°C	50 kOhms
Microchip Technology MCP4451-104E/ST		4	Mute, Selectable Address	257	I2C	Potentiometer	125 °C	-40 °C	20 %	4.4 mm	20-TSSOP	0.173 in	Volatile	Surface Mount	75 Ohms	Linear	20-TSSOP	1.8 V	5.5 V	150 ppm/°C	100 kOhms
Microchip Technology MCP4451-503E/ML
Microchip Technology MCP4451T-104E/ST		4	Mute, Selectable Address	257	I2C	Potentiometer	125 °C	-40 °C	20 %	4.4 mm	20-TSSOP	0.173 in	Volatile	Surface Mount	75 Ohms	Linear	20-TSSOP	1.8 V	5.5 V	150 ppm/°C	100 kOhms
Microchip Technology MCP4451T-502E/ST
Microchip Technology MCP4451-104E/ST
Microchip Technology MCP4451-502E/ML		4	Mute, Selectable Address	257	I2C	Potentiometer	125 °C	-40 °C	20 %		20-VFQFN Exposed Pad		Volatile	Surface Mount	75 Ohms	Linear	20-QFN (4x4)	1.8 V	5.5 V	150 ppm/°C	5 kOhms
Microchip Technology MCP4451-104E/ML		4	Mute, Selectable Address	257	I2C	Potentiometer	125 °C	-40 °C	20 %		20-VFQFN Exposed Pad		Volatile	Surface Mount	75 Ohms	Linear	20-QFN (4x4)	1.8 V	5.5 V	150 ppm/°C	100 kOhms
Microchip Technology MCP4451-104E/ML
Microchip Technology MCP4451T-503E/ST		4	Mute, Selectable Address	257	I2C	Potentiometer	125 °C	-40 °C	20 %	4.4 mm	20-TSSOP	0.173 in	Volatile	Surface Mount	75 Ohms	Linear	20-TSSOP	1.8 V	5.5 V	150 ppm/°C	50 kOhms
Microchip Technology MCP4451-502E/ST		4	Mute, Selectable Address	257	I2C	Potentiometer	125 °C	-40 °C	20 %	4.4 mm	20-TSSOP	0.173 in	Volatile	Surface Mount	75 Ohms	Linear	20-TSSOP	1.8 V	5.5 V	150 ppm/°C	5 kOhms
Microchip Technology MCP4451T-503E/ST
Microchip Technology MCP4451-502E/ML
Microchip Technology MCP4451-502E/ST
Microchip Technology MCP4451-503E/ML		4	Mute, Selectable Address	257	I2C	Potentiometer	125 °C	-40 °C	20 %		20-VFQFN Exposed Pad		Volatile	Surface Mount	75 Ohms	Linear	20-QFN (4x4)	1.8 V	5.5 V	150 ppm/°C	50 kOhms
Microchip Technology MCP4451-503E/ML
Microchip Technology MCP4451-104E/ML
Microchip Technology MCP4451-103E/ST
Microchip Technology MCP4451T-103E/ST	10k	4	Mute, Selectable Address	257	I2C	Potentiometer	125 °C	-40 °C	20 %	4.4 mm	20-TSSOP	0.173 in	Volatile	Surface Mount	75 Ohms	Linear	20-TSSOP	1.8 V	5.5 V	150 ppm/°C
Microchip Technology MCP4451T-104E/ST
Microchip Technology MCP4451T-502E/ST		4	Mute, Selectable Address	257	I2C	Potentiometer	125 °C	-40 °C	20 %	4.4 mm	20-TSSOP	0.173 in	Volatile	Surface Mount	75 Ohms	Linear	20-TSSOP	1.8 V	5.5 V	150 ppm/°C	5 kOhms

Catalog

8-Bit Quad Digital POT with I2C™

Key Features

• * Quad Resistor Network

• * Potentiometer or Rheostat configuration options

• * 7-bit – 128 Resistors (129 Taps)

• * 8-bit: 256 Resistors (257 Taps)

• * 5 kohm

• * 10 kohm

• * 50 kohm

• * 100 kohm

• * Zero-scale to Full-scale Wiper Operation

• * Low Wiper Resistance – 75 ohm typical

• * Absolute (Rheostat) – 50 ppm typical (0°-70°C)

• * Ratiometric (Potentiometer) – 15 ppm typical

• * 100 kHz

• * 400 kHz

• * 3.4 MHz

• * 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

• * 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

• * 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 kohm Device

• * Extended Temperature Range (-40°C to +125°C)

• * Package Types: 4x4 QFN-20 and TSSOP-20

• * AEC-Q100 Grade 1 quarlified

Description

The MCP4451 devices are volatile, 8-bit (257 wiper steps) digital potentiometers that are programmed/reprogrammed through an I2C™Compatible compatible interface. The MCP4451 family of devices are available with resistor values of 5KΩ, 10KΩ, 50KΩ and 100KΩ.