MCP4131 datasheet(10/88 Pages) MICROCHIP

No. de pieza	MCP4131

Descripción Electrónicos	7/8-Bit Single/Dual SPI Digital POT with Volatile Memory

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Fabricante Electrónico	MICROCHIP [Microchip Technology]

Página de inicio	http://www.microchip.com

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10 / 88 page

MCP413X/415X/423X/425X

DS22060B-page 10

Power Requirements

Power Supply

Sensitivity

(MCP41X2 and

MCP42X2 only)

PSS

—

0.0015

0.0035

%/%

8-bit

VDD = 2.7V to 5.5V,

VA = 2.7V, Code = 80h

—

0.0015

0.0035

%/%

7-bit

VDD = 2.7V to 5.5V,

VA = 2.7V, Code = 40h

AC/DC CHARACTERISTICS (CONTINUED)

DC Characteristics

Standard Operating Conditions (unless otherwise specified)

Operating Temperature

–40°C

≤ TA ≤ +125°C (extended)

All parameters apply across the specified operating ranges unless noted.

VDD = +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices.

Typical specifications represent values for VDD = 5.5V, TA = +25°C.

Parameters

Sym

Min

Typ

Max

Units

Conditions

Note 1: Resistance is defined as the resistance between terminal A to terminal B.

2: INL and DNL are measured at VW with VA = VDD and VB = VSS.

3: MCP4XX1 only.

4: MCP4XX2 only, includes VWZSE and VWFSE.

5: Resistor terminals A, W and B’s polarity with respect to each other is not restricted.

6: This specification by design.

7: Non-linearity is affected by wiper resistance (RW), which changes significantly over voltage and

temperature.

8: The MCP4XX1 is externally connected to match the configurations of the MCP41X2 and MCP42X2, and

then tested.

9: POR/BOR is not rate dependent.

10: Supply current is independent of current through the resistor network.

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