MCP4531 datasheet(11/88 Pages) MICROCHIP

11 / 88 page

DS22096A-page 11

MCP453X/455X/463X/465X

Digital Inputs/Outputs (SDA, SCK, HVC/A0, A1, A2, WP)

Schmitt Trigger

High Input

Threshold

VIH

0.45 VDD

——

All

Inputs

except

SDA

and

SCL

2.7V

≤ V

DD ≤ 5.5V

(Allows 2.7V Digital VDD with

5V Analog VDD)

0.5 VDD

——

1.8V

≤ V

DD ≤ 2.7V

0.7 VDD

—VMAX

SDA

and

SCL

100 kHz

0.7 VDD

—VMAX

V400 kHz

0.7 VDD

—VMAX

V1.7 MHz

0.7 VDD

—VMAX

V3.4 Mhz

Schmitt Trigger

Low Input

Threshold

VIL

—

0.2VDD

All inputs except SDA and SCL

-0.5

—

0.3VDD

SDA

and

SCL

100 kHz

-0.5

—

0.3VDD

V400 kHz

-0.5

—

0.3VDD

V1.7 MHz

-0.5

—

0.3VDD

V3.4 Mhz

Hysteresis of

Schmitt Trigger

Inputs (Note 6)

VHYS

—0.1VDD

—

All inputs except SDA and SCL

N.A.

—

SDA

and

SCL

100 kHz

VDD < 2.0V

N.A.

—

VDD ≥ 2.0V

0.1 VDD

——

400 kHz

VDD < 2.0V

0.05 VDD

——

VDD ≥ 2.0V

0.1 VDD

——

1.7 MHz

0.1 VDD

——

3.4 Mhz

High Voltage Limit

VMAX

——

12.5 (6)

Pin can tolerate VMAX or less.

AC/DC CHARACTERISTICS (CONTINUED)

DC Characteristics

Standard Operating Conditions (unless otherwise specified)

Operating Temperature

–40°C

≤ T

A ≤ +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.

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

MCP4XX1 only.

MCP4XX2 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 overvoltage and

temperature.

The MCP4XX1 is externally connected to match the configurations of the MCP45X2 and MCP46X2, and

then tested.

POR/BOR is not rate dependent.

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

11: When HVC/A0 = VIHH, the IDD current is less due to current into the HVC/A0 pin. See IPU specification

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