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| 型号： | MCP4725A2T-E/CH |
| 厂商： | Microchip Technology |
| 文件页数： | 1/50页 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT EE W/I2C SOT23-6 |
| 标准包装： | 1 |
| 设置时间： | 6µs |
| 位数： | 12 |
| 数据接口： | EEPROM，I²C，串行 |
| 转换器数目： | 1 |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-23-6 |
| 包装： | 标准包装 |
| 输出数目和类型： | 1 电压，单极；1 电压，双极 |
| 采样率（每秒）： | * |
| 产品目录页面： | 673 (CN2011-ZH PDF) |
| 配用： | MCP4725DM-PTPLS-ND - BOARD DAUGHTER PICTAIL MCP4725 |
| 其它名称： | MCP4725A2T-E/CHDKR |
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2009 Microchip Technology Inc.
DS22039D-page 1
MCP4725
Features
12-Bit Resolution
On-Board Non-Volatile Memory (EEPROM)
±0.2 LSB DNL (typical)
External A0 Address Pin
Normal or Power-Down Mode
Fast Settling Time: 6 s (typical)
External Voltage Reference (VDD)
Rail-to-Rail Output
Low Power Consumption
Single-Supply Operation: 2.7V to 5.5V
I2CTM Interface:
- Eight Available Addresses
- Standard (100 kbps), Fast (400 kbps), and
High-Speed (3.4 Mbps) Modes
Small 6-lead SOT-23 Package
Extended Temperature Range: -40°C to +125°C
Applications
Set Point or Offset Trimming
Sensor Calibration
Closed-Loop Servo Control
Low Power Portable Instrumentation
PC Peripherals
Data Acquisition Systems
Block Diagram
DESCRIPTION
The MCP4725 is a low-power, high accuracy, single
channel, 12-bit buffered voltage output Digital-to-
Analog Convertor (DAC) with non-volatile memory
(EEPROM). Its on-board precision output amplifier
allows it to achieve rail-to-rail analog output swing.
The DAC input and configuration data can be
programmed to the non-volatile memory (EEPROM) by
the user using I2C interface command. The non-volatile
memory feature enables the DAC device to hold the
DAC input code during power-off time, and the DAC
output is available immediately after power-up. This
feature is very useful when the DAC device is used as
a supporting device for other devices in the network.
The 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
DAC reference is driven from VDD directly. In power-
down mode, the output amplifier can be configured to
present a known low, medium, or high resistance
output load.
The MCP4725 has an external A0 address bit selection
pin. This A0 pin can be tied to VDD or VSS of the user’s
application board.
The MCP4725 has a two-wire I2C compatible serial
interface for standard (100 kHz), fast (400 kHz), or high
speed (3.4 MHz) mode.
The MCP4725 is an ideal DAC device where design
simplicity and small footprint is desired, and for
applications requiring the DAC device settings to be
saved during power-off time.
The device is available in a small 6-pin SOT-23
package.
Package Type
Resistive
Power-on
Reset
Charge
Pump
EEPROM
I2C Interface Logic
Input
Register
DAC Register
Op
Amp
P
o
wer-down Control
VDD
VSS
SCL
SDA
VOUT
A0
String DAC
3
VDD
SCL
SDA
VSS
A0
SOT-23-6
VOUT
2
1
4
5
6
MCP4725
12-Bit Digital-to-Analog Converter with EEPROM Memory
in SOT-23-6
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| MCP4725A3T-E/CH | 功能描述:数模转换器- DAC Sngl 12-B NV DAC w/ I2C interface RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| MCP4725A3T-E/CH-CUT TAPE | 制造商:Microchip 功能描述:MCP4725 Series 1 Ch I2C EEPROM Memory 5.5 V 12-Bit D/A Converter SMT - SOT-23-6 |
| MCP4725DM-PTPLS | 功能描述:子卡和OEM板 MCP4725 DAC PICTail Plus Daughter Board RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| MCP4725EV | 功能描述:数据转换 IC 开发工具 MCP4725 Eval Brd RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MCP4725T-E/CH | 功能描述:数模转换器- DAC SNGL 12B NV DAC with I2C interface RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
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