MCP4131T datasheet(9/88 Pages) MICROCHIP

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DS22060B-page 9

MCP413X/415X/423X/425X

Digital Inputs/Outputs (CS, SDI, SDO, SCK, SHDN)

Schmitt Trigger

High Input

Threshold

VIH

0.45 VDD

——

V

2.7V

≤ VDD ≤ 5.5V

(Allows 2.7V Digital VDD with

5V Analog VDD)

0.5 VDD

——

V

1.8V

≤ VDD ≤ 2.7V

Schmitt Trigger

Low Input

Threshold

VIL

—

0.2VDD

V

Hysteresis of

Schmitt Trigger

Inputs

VHYS

—0.1VDD

—V

High Voltage Limit

VMAX

——

12.5 (6)

V

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

Weak Pull-up /

Pull-down Current

IPU

—

1.75

mA

Internal VDD pull-up, VIHH pull-down,

VDD = 5.5V, VCS = 12.5V

—170

—

µA

CS pin, VDD = 5.5V, VCS = 3V

CS Pull-up /

Pull-down

Resistance

RCS

—16

—

kΩ

VDD = 5.5V, VCS = 3V

Input Leakage

Current

IIL

-1

—

1

µA

VIN = VDD and VIN = VSS

Pin Capacitance

CIN, COUT

—10

—

pF

fC = 20 MHz

RAM (Wiper) Value

Value Range

N

0h

—

1FFh

hex

8-bit device

0h

—

1FFh

hex

7-bit device

POR/BOR Value

N

—

80h

—

hex

8-bit device

—

40h

—

hex

7-bit device

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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