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參數資料
| 型號： | MCP4725DM-PTPLS |
| 廠商： | Microchip Technology |
| 文件頁數： | 1/50頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD DAUGHTER PICTAIL MCP4725 |
| 標準包裝： | 1 |
| DAC 的數量： | 1 |
| 位數： | 12 |
| 采樣率（每秒）： | 100k ~ 3.4M |
| 數據接口： | I²C |
| 設置時間： | 6µs |
| DAC 型： | 電壓 |
| 工作溫度： | -40°C ~ 125°C |
| 已供物品： | 板，CD |
| 已用 IC / 零件： | MCP4725 |
| 產品目錄頁面： | 673 (CN2011-ZH PDF) |
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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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| MCP4725EV | 功能描述:數據轉換 IC 開發工具 MCP4725 Eval Brd RoHS:否 制造商:Texas Instruments 產品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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| MCP4726A0T-E/CH | 功能描述:數模轉換器- DAC Sngl 12B NV DAC w/Ex Vref & I2C interface RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MCP4726A0T-E/MAY | 功能描述:數模轉換器- DAC Sngl 12B NV DAC w/Ex Vref & I2C interface RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MCP4726A1T-E/CH | 功能描述:數模轉換器- DAC Sngl 12B NV DAC w/Ex Vref & I2C interface RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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