MCP40D17-103AE 데이터 시트보기 (PDF) - Microchip Technology

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MCP40D17-103AE

7-Bit Single I2C™ (with Command Code) Digital POT with Volatile Memory in SC70

Microchip Technology 

MCP40D17/18/19

AC/DC CHARACTERISTICS

DC Characteristics

Parameters

Sym

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.

Min

Typ Max Units

Conditions

Supply Voltage

VDD

2.7

—

5.5

V Analog Characteristics specified

1.8

—

5.5

V Digital Characteristics specified

VDD Start Voltage

to ensure Wiper

Reset

VBOR

—

—

1.65

V RAM retention voltage (VRAM) < VBOR

VDD Rise Rate to

ensure Power-on

Reset

VDDRR

(Note 7)

V/ms

Delay after device TBORD

—

10

20

µS

exits the reset

state

(VDD > VBOR)

Supply Current

IDD

—

45

80

µA Serial Interface Active,

(Note 8)

Write all 0’s to Volatile Wiper

VDD = 5.5V, FSCL = 400 kHz

—

2.5

5

µA Serial Interface Inactive,

(Stop condition, SCL = SDA = VIH),

Wiper = 0, VDD = 5.5V

Note 1: Resistance is defined as the resistance between terminal A to terminal B.

2: INL and DNL are measured at VW with VA = VDD and VB = VSS.

3: MCP40D18 device only, includes VWZSE and VWFSE.

4: Resistor terminals A, W and B’s polarity with respect to each other is not restricted.

5: This specification by design.

6: Non-linearity is affected by wiper resistance (RW), which changes significantly over voltage and

temperature.

7: POR/BOR is not rate dependent.

8: Supply current is independent of current through the resistor network

DS22152B-page 4

© 2009 Microchip Technology Inc.

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