MCP433X datasheet(4/88 Pages) MICROCHIP

4 / 88 page

MCP433X/435X

DS22242A-page 4

 2010 Microchip Technology Inc.

AC/DC CHARACTERISTICS

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

Supply Voltage

VDD

2.7

—

5.5

1.8

—

2.7

Serial Interface only.

CS, SDI, SDO,

SCK, RESET pin

Voltage Range

VHV

VSS

—12.5V

VDD  4.5V The CS pin will be at one

of three input levels

(VIL, VIH or VIHH). (Note 6)

VSS

—VDD +

8.0V

VVDD < 4.5V

VDD Start Voltage

to ensure Wiper

Reset

VBOR

—

1.65

RAM retention voltage (VRAM) < VBOR

VDD Rise Rate to

ensure Power-on

Reset

VDDRR

(Note 9)V/ms

Delay after device

exits the Reset

state

(VDD > VBOR)

TBORD

—10

µs

Supply Current



(Note 10)

IDD

—

450

µA

Serial Interface Active,

VDD = 5.5V, CS = VIL, SCK @ 5 MHz,

write all 0’s to volatile Wiper 0

(address 0h)

—

2.5

µA

Serial Interface Inactive,

CS = VIH, VDD = 5.5V

—

0.55

Serial Interface Active,

VDD = 5.5V, CS = VIHH,

SCK @ 5 MHz,

decrement volatile Wiper 0

(address 0h)

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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