Datasheet > MCP47DA1

MCP47DA1

更新时间： 2024-11-24 12:52:27

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
76页	2183K
描述
6-Bit Windowed Volatile DAC with Command Code

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中文翻译

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MCP47DA1 数据手册

MCP47DA1

6-Bit Windowed Volatile DAC with Command Code

Package Types

Features:

• 6-Bit DAC:

MCP47DA1

- 65 Taps: 64 Resistors with Taps to Full Scale

and Zero Scale (Wiper Code 00h to 40h)

- 7-bit Serial Data (00h to 7Fh, 00h - 20h =

Zero Scale and 60h-7Fh = Full Scale)

V_DD

V_SS

SCL

V_REF

V_OUT

SDA

SOT-23-6, SC70-6

• V_REFPull-down Resistance: 30 k (typical)

• V_OUTVoltage Range:

Device Block Diagram

- 1/3 * V_REFto 2/3 * V_REF

™

• I²C Protocol:

V_REF

10 K

- Supports SMBus 2.0 Write Byte/Word

Protocol Formats

- Supports SMBus 2.0 Read Byte/Word

Protocol Formats

V_DD

V_SS

Power-up

and

Brown-out

Control

- Slave Addresses: 5Ch and 7Ch

• Brown-out Reset Protection (1.5V, typical)

• Power-on Default Wiper Setting (Mid-scale)

• Low-Power Operation: 100 µA Static Current (typ.)

• Wide Operating Voltage Range:

2-Wire

Interface

and

Control

Logic

SDA

SCL

V_OUT

- 2.7V to 5.5V – Device Characteristics

Specified

- 1.8V to 2.7V – Device Operation

• Low Tempco: 15 ppm (typical)

10 K

• 100 kHz (typical) Bandwidth (-3 dB) Operation

• Extended Temperature Range (-40°C to +125°C)

• Small Packages, SOT-23-6, SC70-6

• Lead Free (Pb-free) Package

Description:

The MCP47DA1 devices are volatile, 6-Bit digital

potentiometers with a buffered output. The wiper

setting is controlled through an I²C serial interface. The

MCP47DA1. I²C slave addresses of “010 1110”and

“011 1110” are supported. The MCP47DA1 has a

windowed output (1/3 to 2/3 of V_REF).

Applications:

• PC Servers (I²C Protocol with Command Code)

• Set Point or Offset Trimming

• Cost-sensitive Mechanical Trim Pot Replacement

Device Features

Device

Package(s)

MCP47DA1

I²C™ 65

30.0 00h - 7Fh 40h 5Ch, 7Ch 1.8V to 5.5V 1/3 V_REFto SOT-23-6,

2/3 V_REF

SC70-6

Note 1: Analog characteristics only tested from 2.7V to 5.5V.

 2012-2013 Microchip Technology Inc.

DS25118D-page 1

12 3 4 5 6 7...76

中文翻译

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