MCP4017 datasheet(8/66 Pages) MICROCHIP

8 / 66 page

MCP4017/18/19

DS22147A-page 8

Digital Inputs/Outputs (SDA, SCK)

Schmitt Trigger

High Input

Threshold

VIH

0.7 VDD

——

1.8V

≤ VDD ≤ 5.5V

Schmitt Trigger

Low Input

Threshold

VIL

-0.5

—

0.3VDD

Hysteresis of

Schmitt Trigger

Inputs (Note 5)

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

Output Low

Voltage (SDA)

VOL

VSS

—0.2VDD

VVDD < 2.0V, IOL = 1 mA

VSS

—0.4

VDD ≥ 2.0V, IOL = 3 mA

Input Leakage

Current

IIL

-1

—

µA

VIN = VDD and VIN = VSS

Pin Capacitance

CIN, COUT

—10

—

fC = 400 kHz

RAM (Wiper) Value

Value Range

—

7Fh

hex

Wiper POR/BOR

Value

NPOR/BOR

3Fh

hex

Power Requirements

Power Supply

Sensitivity

(MCP4018 only)

PSS

—

0.0005

0.0035

%/%

VDD = 2.7V to 5.5V,

VA = 2.7V, Code = 3Fh

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: MCP4018 device only, includes VWZSE and VWFSE.

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

5: This specification by design.

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

temperature.

7: POR/BOR is not rate dependent.

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

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