MCP433X datasheet(9/88 Pages) MICROCHIP

9 / 88 page

 2010 Microchip Technology Inc.

DS22242A-page 9

MCP433X/435X

Rheostat

Differential

Non-linearity

MCP43X1

(Note 4, Note 8)

MCP43X2 devices

only

(Note 4)

R-DNL

-0.5

±0.25

+0.5

LSb

5 k



8-bit 5.5V, IW = 900 µA

-1.0

+0.5

+1.0

LSb

3.0V, IW = 480 µA

(Note 7)

Section 2.0

1.8V, IW = 190 µA

-0.375

±0.25

+0.375

LSb

7-bit 5.5V, IW = 900 µA

-0.75

+0.5

+0.75

LSb

3.0V, IW = 480 µA

(Note 7)

Section 2.0

1.8V, IW = 190 µA

-0.5

±0.25

+0.5

LSb

10 k



8-bit 5.5V, IW = 450 µA

-1.0

+0.25

+1.0

LSb

3.0V, IW = 240 µA

(Note 7)

Section 2.0

1.8V, IW = 150 µA

-0.375

±0.25

+0.375

LSb

7-bit 5.5V, IW = 450 µA

-0.75

+0.5

+0.75

LSb

3.0V, IW = 240 µA

(Note 7)

Section 2.0

1.8V, IW = 150 µA

-0.5

±0.25

+0.5

LSb

50 k



8-bit 5.5V, IW = 90 µA

-0.5

±0.25

+0.5

LSb

3.0V, IW = 48 µA

(Note 7)

Section 2.0

1.8V, IW = 30 µA

-0.375

±0.25

+0.375

LSb

7-bit 5.5V, IW = 90 µA

-0.375

±0.25

+0.375

LSb

3.0V, IW = 48 µA

(Note 7)

Section 2.0

1.8V, IW = 30 µA

-0.5

±0.25

+0.5

LSb

100 k



8-bit 5.5V, IW = 45 µA

-0.5

±0.25

+0.5

LSb

3.0V, IW = 24 µA

(Note 7)

Section 2.0

1.8V, IW = 15 µA

-0.375

±0.25

+0.375

LSb

7-bit 5.5V, IW = 45 µA

-0.375

±0.25

+0.375

LSb

3.0V, IW = 24 µA

(Note 7)

Section 2.0

1.8V, IW = 30 µA

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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