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ADS7844N
Analog-To-Digital Converter with 8 Channels and Serial Output
ADS7844N
Analog-To-Digital Converter with 8 Channels and Serial Output
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Manufacturer Part # : ADS7844N
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Package/Case: SSOP (DB)-20
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Brand: Texas Instruments
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Product Categories : Analog to Digital Converters (ADC)
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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ADS7844N DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $6.080 | $6.08 |
| 10 | $5.360 | $53.60 |
| 30 | $4.919 | $147.57 |
| 70 | $4.551 | $318.57 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
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
Key Features
- Embedded System Development
- Sensor Array Control
- Industrial Automation
Application
- Multiple channel conversion
- Industrial automation application
- High accuracy data acquisition
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| 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 |
FAQs
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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