MCP4142T-103ESLASHML datasheet(5/88 Pages) MICROCHIP

5 / 88 page

DS22059B-page 5

MCP414X/416X/424X/426X

Resistance

(± 20%)

RAB

4.0

6.0

kΩ

-502 devices (Note 1)

8.0

12.0

kΩ

-103 devices (Note 1)

40.0

60.0

kΩ

-503 devices (Note 1)

80.0

100

120.0

kΩ

-104 devices (Note 1)

Resolution

257

Taps

8-bit

No Missing Codes

129

Taps

7-bit

No Missing Codes

Step Resistance

—RAB /

(256)

—

Ω

8-bit

Note 6

—RAB /

(128)

—

Ω

7-bit

Note 6

Nominal

Resistance Match

|RAB0 - RAB1|

/ RAB

—

0.2

1.25

MCP42X1

devices only

|RBW0 - RBW1|

/ RBW

—0.25

1.5

MCP42X2

devices only,

Code = Full-Scale

Wiper Resistance

(Note 3, Note 4)

—

160

Ω

VDD = 5.5 V, IW = 2.0 mA, code = 00h

—

300

Ω

VDD = 2.7 V, IW = 2.0 mA, code = 00h

Nominal

Resistance

Tempco

ΔRAB/ΔT

—

ppm/°C TA = -20°C to +70°C

—

100

—

ppm/°C TA = -40°C to +85°C

—

150

—

ppm/°C TA = -40°C to +125°C

Ratiometeric

Tempco

ΔVWB/ΔT

—

ppm/°C Code = Midscale (80h or 40h)

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

Note 6

, Worst case current through

wiper when wiper is either Full-Scale or

Zero Scale.

Leakage current

into A, W or B

IWL

—100

—

MCP4XX1

PxA = PxW = PxB = VSS

—100

—

MCP4XX2

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 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 over voltage and

temperature.

The MCP4XX1 is externally connected to match the configurations of the MCP41X2 and MCP42X2, and

then tested.

POR/BOR is not rate dependent.

10:

Supply current is independent of current through the resistor network

MCP4142T-103E/ML 数据表(PDF) 5 Page - Microchip Technology

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