MCP433X datasheet(10/88 Pages) MICROCHIP

10 / 88 page

MCP433X/435X

DS22242A-page 10

 2010 Microchip Technology Inc.

Capacitance (PA)CAW

—

f =1 MHz, Code = Full Scale

Capacitance (Pw)CW

—

120

—

f =1 MHz, Code = Full Scale

Capacitance (PB)CBW

—

f =1 MHz, Code = Full Scale

Digital Inputs/Outputs (CS, SDI, SDO, SCK, WP, RESET)

Schmitt Trigger

High Input

Threshold

VIH

0.45 VD

——

2.7V

 VDD  5.5V

(Allows 2.7V Digital VDD with

5V Analog VDD)

0.5 VDD

——

1.8V

 VDD  2.7V

Schmitt Trigger

Low Input

Threshold

VIL

——

0.2VDD

Hysteresis of

Schmitt Trigger

Inputs

VHYS

—0.1VDD

—V

High Voltage Input

Entry Voltage

VIHH

8.5

—

12.5 (6)

High Voltage Input

Exit Voltage

VIHH

——

VDD +

0.8V

High Voltage Limit

VMAX

——

12.5 (6)

Pin can tolerate VMAX or less.

Output Low

Voltage (SDO)

VOL

VSS

—0.3VDD

VIOL = 5 mA, VDD = 5.5V

VSS

—0.3VDD

VIOL = 1 mA, VDD = 1.8V

Output High

Voltage (SDO)

VOH

0.7VDD

—VDD

VIOH = -2.5 mA, VDD = 5.5V

0.7VDD

—VDD

VIOL = -1 mA, VDD = 1.8V

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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