MCP4562 View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP4562

7-Bit Single I²C™ Digital POT with Volatile Memory in SC70

Microchip Technology 

MCP4017/18/19

TABLE 4-1: DEVICE FUNCTIONALITY AT EACH VDD REGION (NOTE 1)

VDD Level

Serial

Interface

Potentiometer

Terminals

Wiper Setting

Comment

VDD < VBOR < 1.8V Ignored “unknown”

VBOR ≤ VDD < 1.8V “Unknown” Operational with

reduced electrical

specs

Unknown

Wiper Register loaded

with POR/BOR value

1.8V ≤ VDD < 2.7V Accepted

Operational with

reduced electrical

specs

Wiper Register

determines Wiper

Setting

Electrical performance may not

meet the data sheet specifications.

2.7V ≤ VDD ≤ 5.5V Accepted Operational

Wiper Register

determines Wiper

Setting

Meets the data sheet specifications

Note 1: For system voltages below the minimum operating voltage, the customer will be recommended to use a

voltage supervisor to hold the system in reset. This will ensure that MCP4017/18/19 commands are not

attempted out of the operating range of the device.

Normal Operation Range

VDD

Outside Specified

AC/DC Range

Normal Operation Range

2.7V

1.8V

VPOR/BOR

VRAM

VSS

Analog

Characteristics

not specified

Device’s Serial

Interface is

“Not Operational”

Analog

Characteristics not specified

VBOR Delay

Wiper Forced to Default POR/BOR setting

FIGURE 4-1:

Power-up and Brown-out.

DS22147A-page 32

© 2009 Microchip Technology Inc.

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