Datasheet > MCP4728A2-E/UN

MCP4728A2-E/UN

更新时间： 2024-11-25 08:08:07

品牌	Logo	应用领域
美国微芯 - MICROCHIP		输入元件光电二极管
页数	文件大小	规格书
68页	2937K
描述
SERIAL INPUT LOADING, 6 us SETTLING TIME, 12-BIT DAC, PDSO10, PLASTIC, MSOP-10

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MCP4728A2-E/UN 数据手册

MCP4728

12-Bit, Quad Digital-to-Analog Converter with EEPROM Memory

Features

Description

• 12-Bit Voltage Output DAC with Four Buffered

Outputs

The MCP4728 device is a quad, 12-bit voltage output

Digital-to-Analog Convertor (DAC) with nonvolatile

memory (EEPROM). Its on-board precision output

amplifier allows it to achieve rail-to-rail analog output

swing.

• On-Board Nonvolatile Memory (EEPROM) for

DAC Codes and I²C™ Address Bits

• Internal or External Voltage Reference Selection

• Output Voltage Range:

The DAC input codes, device configuration bits, and

I²C address bits are programmable to the nonvolatile

memory (EEPROM) by using I²C serial interface

commands. The nonvolatile memory feature enables

the DAC device to hold the DAC input codes during

power-off time, allowing the DAC outputs to be

available immediately after power-up with the saved

settings. This feature is very useful when the DAC

device is used as a supporting device for other devices

in the application’s network.

- Using Internal V_REF(2.048V):

0.000V to 2.048V with Gain Setting = 1

0.000V to 4.096V with Gain Setting = 2

- Using External V_REF(V_DD):

0.000V to V_DD

• ±0.2 Least Significant Bit (LSB) Differential

Nonlinearity (DNL) (typical)

• Fast Settling Time: 6 µs (typical)

• Normal or Power-Down Mode

• Low Power Consumption

• Single-Supply Operation: 2.7V to 5.5V

• I²C Interface:

The MCP4728 device has a high precision internal

voltage reference (V_REF= 2.048V). The user can select

the internal reference or external reference (V_DD) for

each channel individually.

Each channel can be operated in Normal mode or

Power-Down mode individually by setting the

configuration register bits. In Power-Down mode, most

of the internal circuits in the powered down channel are

turned off for power savings, and the output amplifier

can be configured to present a known low, medium, or

high resistance output load.

- Address bits: User Programmable to

EEPROM

- Standard (100 kbps), Fast (400 kbps) and

High Speed (HS) Mode (3.4 Mbps)

• 10-Lead MSOP Package

• Extended Temperature Range: -40°C to +125°C

The MCP4728 device includes a Power-on Reset

(POR) circuit to ensure reliable power-up and an

on-board charge pump for the EEPROM programming

voltage.

The MCP4728 has a two-wire I²C compatible serial

interface for standard (100 kHz), fast (400 kHz), or high

speed (3.4 MHz) mode.

Applications

• Set Point or Offset Adjustment

• Sensor Calibration

• Closed-Loop Servo Control

• Low Power Portable Instrumentation

• PC Peripherals

The MCP4728 DAC is an ideal device for applications

requiring design simplicity with high precision, and for

applications requiring the DAC device settings to be

saved during power-off time.

• Programmable Voltage and Current Source

• Industrial Process Control

• Instrumentation

The MCP4728 device is available in a 10-lead MSOP

package and operates from a single 2.7V to 5.5V

supply voltage.

• Bias Voltage Adjustment for Power Amplifiers

DS22187E-page 1

12 3 4 5 6 7...68

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MCP4728A2-E/UN 替代型号

型号	品牌	替代类型	描述	数据表
MCP4728A1-E/UN	MICROCHIP	完全替代	SERIAL INPUT LOADING, 6 us SETTLING TIME, 12-BIT DAC, PDSO10, PLASTIC, MSOP-10
MCP4728-E/UN	MICROCHIP	完全替代	12-Bit, Quad Digital-to-Analog Converter with EEPROM Memory

与MCP4728A2-E/UN相关器件

型号	品牌	获取价格	描述	数据表
MCP4728A2T-E/UN	MICROCHIP	获取价格	SERIAL INPUT LOADING, 6 us SETTLING TIME, 12-BIT DAC, PDSO10, PLASTIC, MSOP-10
MCP4728A4T-E/UNVAO	MICROCHIP	获取价格	D/A Converter, 1 Func, Serial Input Loading, 6us Settling Time, PDSO10
MCP4728A5-E/UN	MICROCHIP	获取价格	SERIAL INPUT LOADING, 6 us SETTLING TIME, 12-BIT DAC, PDSO10, PLASTIC, MSOP-10
MCP4728A5T-E/UN	MICROCHIP	获取价格	SERIAL INPUT LOADING, 6 us SETTLING TIME, 12-BIT DAC, PDSO10, PLASTIC, MSOP-10
MCP4728A6-E/UN	MICROCHIP	获取价格	SERIAL INPUT LOADING, 6 us SETTLING TIME, 12-BIT DAC, PDSO10, PLASTIC, MSOP-10
MCP4728A7T-E/UN	MICROCHIP	获取价格	SERIAL INPUT LOADING, 6 us SETTLING TIME, 12-BIT DAC, PDSO10, PLASTIC, MSOP-10
MCP4728-E/UN	MICROCHIP	获取价格	12-Bit, Quad Digital-to-Analog Converter with EEPROM Memory
MCP4728EUN	MICROCHIP	获取价格	SERIAL INPUT LOADING, 6 us SETTLING TIME, 12-BIT DAC, PDSO10, PLASTIC, MSOP-10
MCP4728T-E/UN	MICROCHIP	获取价格	SERIAL INPUT LOADING, 6 us SETTLING TIME, 12-BIT DAC, PDSO10, PLASTIC, MSOP-10
MCP47A1	MICROCHIP	获取价格	6-Bit Volatile DAC with Command Code

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