MCP433X datasheet(6/88 Pages) MICROCHIP

6 / 88 page

MCP433X/435X

DS22242A-page 6

 2010 Microchip Technology Inc.

Resistor Terminal

Input Voltage

Range (Terminals

A, B and W)

VA,VW,VB

Vss

—

VDD

Note 5, Note 6

Maximum current

through A, W or B

—

2.5

Worst case current through wiper when

wiper is either Full Scale or Zero Scale.

(Note 6)

Leakage current

into A, W or B

IWL

—100

—

MCP43X1 PxA = PxW = PxB = VSS

—100

—

MCP43X2 PxB = PxW = VSS

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 k, 10 k, 50 k, 100 k 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.

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

MCP43X1 only.

MCP43X2 only, includes VWZSE and VWFSE.

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

This specification by design.

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

temperature.

The MCP43X1 is externally connected to match the configurations of the MCP43X2, and then tested.

POR/BOR is not rate dependent.

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

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