MCP2155 datasheet(17/38 Pages) MICROCHIP

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Preliminary

DS21894C-page 17

MCP2122

4.1

DC Characteristics

Standard Operating Conditions (unless otherwise specified)

Operating Temperature: –40

°C ≤ TA ≤ +125°C (Extended)

Param.

No.

Sym

Characteristic

Min

Typ (1)

Max

Units

Conditions

D001

VDD

Supply Voltage

1.8

—

5.5

See Figure 4-1

D010

IDD

Supply Current (2)

—0.1

FOSC = 1.8432 MHz, VDD = 5.5V

(TX = H, RXIR = H)

Transmitter (TX = L, RXIR = H)

—

300

µA

FOSC = 1.8432 MHz, VDD = 1.8V (4)

——

FOSC = 1.8432 MHz, VDD = 5.5V

Receiver (RXIR = L, TX = H)

—

500

µA

FOSC = 1.8432 MHz, VDD = 1.8V (4)

——

FOSC = 1.8432 MHz, VDD = 5.5V

D020

IPD

Device Disabled

Current (3)

—

µA

VDD = 1.8V (4)

——

µA

VDD = 5.5V

Note 1: Data in the Typical (“Typ”) column is based on characterization results at +25

°C. This data is for design

guidance only and is not tested.

2: The supply current is mainly a function of the operating voltage and frequency. Pin loading, pin rate and

temperature have an impact on the current consumption.

a)The test conditions for all IDD measurements are:

16XCLK = external square wave, from rail-to-rail; TX = VSS, RXIR = VSS, RESET = VDD.

3: The device disable current is mainly a function of the operating voltage. Temperature also has an impact

on the current consumption. When the device is disabled (RESET = VSS). The test conditions for all IDD

measurements are:

16XCLK = external square wave, from rail-to-rail; TX = VSS, RXIR = VDD, RESET = VSS; The output pins

are driving a high or low level into infinite impedance.

4: These parameters (shaded) are characterized but are not tested. These values should be used for design

guidance only.

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