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AD7997BRUZ-0REEL

8-bit 8-ch ADC, I2C, 400kSPS, TSSOP-20

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Manufacturer Part：

AD7997BRUZ-0REEL

Package：

TSSOP-20 (6.5x4.4mm)

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Description

Product Overview

The AD7997BRUZ-0REEL from Analog Devices is an 8-bit 8-channel ADC with I2C interface, 400kSPS sampling, and on-chip track-and-hold in TSSOP-20 for multi-channel data acquisition.

Key Specifications

Package TSSOP-20 (6.5×4.4mm)

Features

  • See datasheet for complete specifications
  • Industry-standard package

Applications

  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Power management

The AD7997BRUZ-0REEL from Analog Devices is an 8-bit 8-channel ADC with I2C interface, 400kSPS sampling, and on-chip track-and-hold in TSSOP-20 for multi-channel data acquisition.

The AD7997BRUZ-0REEL is an 8-channel, 8-bit successive approximation register (SAR) ADC with I2C interface. The conversion process begins when the CONVST pin is asserted low. An internal multiplexer sequentially selects one of the 8 analog input channels. The SAR algorithm performs a binary search: starting from the MSB, a DAC output is compared against the sampled input voltage using an internal comparator. For each bit, the DAC output is adjusted up or down based on the comparator result, converging on the input value within 8 clock cycles. The result is stored in an internal register and can be read via I2C at speeds up to 400kHz. The reference voltage can be supplied externally via the REF pin or derived from the internal 2.5V reference. The BUSY pin goes low during conversion to indicate the ADC is busy. Channel selection and operating mode are configured through I2C registers.

Pin Name Type Function
1 VIN1 Analog Input Analog input channel 1
2 VIN2 Analog Input Analog input channel 2
3 VIN3 Analog Input Analog input channel 3
4 VIN4 Analog Input Analog input channel 4
5 VIN5 Analog Input Analog input channel 5
6 VIN6 Analog Input Analog input channel 6
7 VIN7 Analog Input Analog input channel 7
8 VIN8 Analog Input Analog input channel 8
9 REF Analog Input External reference / internal ref bypass
10 GND Power Ground reference
11 SDA I/O I2C data line
12 SCL Input I2C clock line
13 CONVST Input Conversion start signal
14 BUSY Output Conversion busy indicator
15 VDD Power Supply voltage (2.7-5.25V)
16 ASD Input Address select pin for I2C
  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Power management
    • Manufacturer Part Number Package Notes
    Analog Devices AD7998BRUZ-0 TSSOP-20 10-bit version, same family
    Analog Devices AD7997BRUZ-1 TSSOP-20 Different I2C address variant
    Microchip MCP3208-CI/P DIP-16 12-bit 8-ch, SPI interface
    Texas Instruments ADS7828IRTJR TSSOP-16 12-bit 8-ch, I2C interface
    Maxim MAX11615EEE+ QSOP-16 12-bit 8-ch, I2C interface
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    Quality Assurance

    Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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    We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

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    Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

     

    Shipping & Payment

    Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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    5. Local Pickup in Shenzhen

    Local pickup service is available for customers in Shenzhen and surrounding areas:
    • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
    • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
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    Contact Information

    Email: info@materialparts.com

    Tel / WhatsApp: +86 13760382860

    Service & Packaging

    Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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    2. Genuine Product Guarantee & Full-process Quality Inspection

    All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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    Professional Packaging Standards

    Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

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    We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

    Contact Information

    For service consultation or packaging customization, please feel free to contact us:
    Email: info@materialparts.com
    Tel / WhatsApp: +86 13760382860
    Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
     

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