ADS7844N

Analog-To-Digital Converter with 8 Channels and Serial Output
5,490 有效庫存

ADS7844N

有效庫存5,490

Analog-To-Digital Converter with 8 Channels and Serial Output

  • 製造商零件號 # : ADS7844N

  • 包裝/封裝: SSOP (DB)-20

  • 製造商: Texas Instruments

  • 產品分類 : Analog to Digital Converters (ADC)

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ADS7844N 數據表

價格 (USD)

數量 單價 總價
1 $6.080 $6.08
10 $5.360 $53.60
30 $4.919 $147.57
70 $4.551 $318.57

這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。

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請提交詢價 ADS7844N 或發送電子郵件給我們： Email: [email protected], 我們將在 12 小時內與您聯繫。

詳細說明

One of the key features of the ADS7844N is its flexible input multiplexer, which allows for seamless measurement of analog signals from four distinct input channels. Additionally, the inclusion of an internal reference voltage generator eliminates the hassle of sourcing an external reference, simplifying the design process. With a serial interface that facilitates communication with microcontrollers or processors, accessing the conversion results in a 16-bit format is effortless, ensuring seamless integration with various digital systems

主要特徵

  • Embedded System Development
  • Sensor Array Control
  • Industrial Automation

應用

  • Multiple channel conversion
  • Industrial automation application
  • High accuracy data acquisition

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Resolution (Bits) 12 Sample rate (max) (ksps) 200
Number of input channels 8 Interface type SPI
Architecture SAR Input type Pseudo-Differential, Single-ended
Multichannel configuration Multiplexed Rating Catalog
Reference mode External Input voltage range (max) (V) 5.25
Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85
Power consumption (typ) (mW) 1.8 Analog supply (min) (V) 2.7
Analog supply voltage (max) (V) 5.25 SNR (dB) 73.1
Digital supply (min) (V) 1.9 Digital supply (max) (V) 5.5

常見問題解答

What is ADS7844N?

The ADS7844N is a 12-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. It is designed for applications that require high-precision analog-to-digital conversion, such as industrial automation, data acquisition, and instrumentation systems.

How Does ADS7844N Work?

The ADS7844N operates by converting analog input signals into 12-bit digital outputs with high accuracy. It utilizes a successive approximation register (SAR) architecture to achieve precise conversion results while providing flexible input channel configurations and conversion rates.

How Many Pins does ADS7844N have and What are the Functions of the Pinout Configuration?

The ADS7844N is housed in a 16-pin DIP (Dual Inline Package) package. The pinout configuration includes:

  • VCC, GND: Power supply pins.
  • REF/REFIN, AGND: Reference voltage input and analog ground pins.
  • IN0-IN3: Analog input channels.
  • COM/SHDN: Common mode reference and shutdown pin.
  • CS, DOUT, DIN, SCLK: Serial interface control pins.
  • EOC: End of conversion output pin.
  • STBY/STRAP: Standby mode or strap input pin.

What are the Pros and Cons of ADS7844N?

Pros:

  • High Resolution: Provides 12-bit resolution for accurate analog-to-digital conversion.
  • Flexible Input Configuration: Supports multiple analog input channels for versatile measurement applications.
  • Serial Interface: Offers a serial interface for easy integration with microcontrollers and digital systems.
  • Low Power Consumption: Operates with low power, suitable for battery-powered devices.
  • Shutdown Mode: Includes a shutdown pin for power-saving mode when not in use.

Cons:

  • Limited Resolution: May not be suitable for applications requiring higher resolution than 12 bits.
  • External Components: May require additional external components for signal conditioning or filtering in certain applications.
  • Packaging: The 16-pin DIP package may require more board space compared to smaller packages.

Are There Any Equivalents/Alternatives to ADS7844N for Recommendation?

  • The ADS7805 from Texas Instruments is a similar 12-bit ADC with an integrated reference and selectable input configurations.
  • Alternatives to the ADS7844N include the MAX1238 from Maxim Integrated and the MCP3204 from Microchip Technology.

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