MCP47A1T-A0E-LT datasheet(4/70 Pages) MICROCHIP

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MCP47A1

DS25154A-page 4

 2012 Microchip Technology Inc.

AC/DC CHARACTERISTICS

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

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 to

default reset state

VBOR

—

1.65

V

RAM retention voltage (VRAM) < VBOR

VDD Rise Rate to

ensure Power-on

Reset

VDDRR

Note 5

V/ms

Delay after device

exits the reset

state

(VDD > VBOR) to

Digital Interface

Active

TBORD

——1

µS

Delay after device

exits the reset

state

(VDD > VBOR) to

VOUT valid

TOUTV

20

µS

Within ± 0.5 LSb of VREF / 2

(for default POR/BOR wiper value).

Supply Current



(Note 6)

IDD

—

130

220

µA

Serial Interface Active,

Write all 0’s to Volatile Wiper,

No Load on VOUT

VDD = 5.5V, VREF = VDD,

FSCL = 400 kHz

—

90

130

µA

Serial Interface Inactive (Static),

(Stop condition, SCL = SDA = VIH),

No Load on VOUT

Wiper = 0, VDD = 5.5V, VREF = VDD

VREF Input Range

VREF

1—

VDD

V

Note 7

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
Microchip Technology	MCP47A1T-A0E/LT	1Mb / 70P	6-Bit Volatile DAC with Command Code 11/29/11

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