MCP47A1T-A0E-LT datasheet(7/70 Pages) MICROCHIP

tên linh kiện	MCP47A1T-A0E-LT

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 2012 Microchip Technology Inc.

DS25154A-page 7

MCP47A1

Digital Inputs/Outputs (SDA, SCK)

Schmitt Trigger

High Input

Threshold

VIH

0.7 VD

D

——

V

1.8V

 V

DD  5.5V

Schmitt Trigger

Low Input

Threshold

VIL

-0.5

—

0.3VD

D

V1.8V

 V

DD  5.5V

Hysteresis of

Schmitt Trigger

Inputs

(Note 3)

VHYS

N.A.

—

V

SDA

and

SCL

100 kHz

VDD < 2.0V

N.A.

—

V

VDD  2.0V

0.1 VD

D

——

V

400 kHz

VDD < 2.0V

0.05 V

DD

——

V

VDD  2.0V

Output Low

Voltage (SDA)

VOL

VSS

—0.4

V

VDD  2.0V, IOL = 3 mA

VSS

—0.2VD

D

VVDD < 2.0V, IOL = 1 mA

Input Leakage

Current

IIL

-1

—

1

µA

VREF = VDD and VREF = VSS

Pin Capacitance

CIN, COUT

—10

—

pF

fC = 400 kHz

RAM (Wiper) Value

Value Range

N

0h

—

40h

hex

Wiper POR/BOR

Value

NPOR/BOR

20h

hex

Power Requirements

Power Supply

Sensitivity

PSS

—

0.0015

0.003

5

%/%

VREF = VDD, Code = 20h

AC/DC CHARACTERISTICS (CONTINUED)

DC Characteristics

Standard Operating Conditions (unless otherwise specified)

Operating Temperature

–40°C

 T

A  +125°C (extended)

All parameters apply across the specified operating ranges unless noted.

VDD = +2.7V to +5.5V. CL = 1 nF, RL = 5 k .

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 the VREF pin and the VSS pin.

2:

INL and DNL are measured at VOUT from Code = 00h (Zero-Scale) through Code = 3Fh (Full-Scale - 1).

3:

This specification by design.

4:

Nonlinearity is affected by wiper resistance (RW), which changes significantly over voltage and

temperature.

5:

POR/BOR is not rate dependent.

6:

Supply current is independent of VREF current.

7:

See

Section 7.1.3.

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
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