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AD7927BRU

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8-Channel Single ADC SAR 200ksps 12-bit Serial 20-Pin TSSOP Tube

  • Package/Case :
  • TSSOP-20
  • Product Categories :
  • Data Acquisition - Analog to Digital Converters
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 10

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AD7927BRU Product Details

The conversion process and data acquisition are controlled        using CS and the serial clock signal, allowing the device to easily interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS and the conversion is also initiated at this point. There are no pipeline delays associated with the part.

The AD7927BRU uses advanced design techniques to achieve very low power dissipation at maximum throughput rates. At maximum throughput rates, the AD7927BRU consumes 1.2 mA maximum with 3 V supplies; with 5 V supplies, the current consumption is 1.5 mA maximum.

Through the configuration of the control register, the analog input range for the part can be selected as 0 V to REFIN or 0 V to 2 × REFIN, with either straight binary or twos complement output coding. The AD7927BRU features eight single-ended analog inputs with a channel sequencer to allow a preprogrammed selection of channels to be converted sequentially.

The conversion time for the AD7927BRU is determined by the SCLK frequency, as this is also used as the master clock to control the conversion. The conversion time may be as short as 800 ns with a 20 MHz SCLK.

Product Highlights

  • High Throughput with Low Power Consumption. The AD7927BRU offers up to 200 kSPS throughput rates. At the maximum throughput rate with 3 V supplies, the AD7927BRU dissipates 3.6 mW of power maximum.
  • Eight Single-Ended Inputs with a Channel Sequencer. A consecutive sequence of channels can be selected on which the ADC cycles and converts.
  • Single-Supply Operation with VDRIVE Function. The AD7927BRU operates from a single 2.7 V to 5.25 V supply. The VDRIVE function allows the serial interface to connect directly to either 3 V or 5 V processor systems independent of AVDD.
  • Flexible Power/Serial Clock Speed Management. The conversion rate is determined by the serial clock, allowing the conversion time to be reduced through the serial clock speed increase. The part also features various shutdown modes to maximize power efficiency at lower throughput rates. Current consumption is 0.5 μA maxi-mum when in full shutdown.
  • No Pipeline Delay. The part features a standard successive approximation ADC with a CS input pin, which allows for accurate control of each sampling instant.

Feature

  • Fast throughput rate: 200 kSPS
  • Specified for AVDD of 2.7V to 5.25V
  • Low power 3.6 mW maximum at 200 kSPS with 3 V supply7.5 mW maximum at 200 kSPS with 5 V supply
  • 8 (single-ended) inputs with sequencer
  • Flexible power/serial clock speed management
  • Wide input bandwidth 70 dB minimum SINAD at 50 kHz input frequency
  • No pipeline delays
  • High speed serial interface SPI™-, QSPI™-, MICROWIRE™-, DSP-compatible
  • Shutdown mode: 0.5 μA maximum
  • 20-lead TSSOP
  • Qualified for Automotive

AD7927BRU Pinout
(Picture: Pinout)

AD7927BRU Block Diagram
(Picture: Diagram)

Technical Parameters

  • Number of Channels
  • 8
  • Architecture
  • SAR
  • Conversion Rate
  • 200 kSPs
  • Resolution
  • 12 bit
  • Input Type
  • Single-Ended
  • SNR
  • 70 dB
  • Interface Type
  • Serial (SPI, QSPI, Microwire)
  • Operating Supply Voltage
  • 5 V
  • Maximum Operating Temperature
  • + 85 C
  • Mounting Style
  • SMD/SMT
  • Package / Case
  • TSSOP-20
  • Maximum Power Dissipation
  • 7.5 mW
  • Minimum Operating Temperature
  • - 40 C
  • Number of Converters
  • 1
  • Packaging
  • Tube
  • Series
  • AD7927
  • Factory Pack Quantity
  • 75
  • Voltage Reference
  • External

AD7927BRU Documents

  • AD7927 Technical Documentation/Data sheet

AD7927BRU Related Products

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Guarantees

1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Jotrin guarantee that AD7927BRU is the original manufacturer or agent of AD?
We have a professional business development department to strictly test and verify the qualifications of AD original manufacturers and agents. All AD suppliers must pass the qualification review before they can publish their AD7927BRU devices; we pay more attention to the channels and quality of AD7927BRU products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of AD7927BRU chips? Including AD original factory information, Data Acquisition - Analog to Digital Converters application, AD7927BRU pictures?
You can use Jotrin's intelligent search engine, or filter by Precision A/D Converters ; Multiplexed A/D Converters category, or find it through Analog Devices, Inc Information page.
Q: Are the AD's AD7927BRU price and stock displayed on the platform accurate?
The AD's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for AD7927BRU, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of AD7927BRU?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the AD7927BRU we delivered, we will accept the replacement or return of the AD7927BRU only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of AD7927BRU.
(3)The AD7927BRU is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as AD7927BRU datasheet pdf, AD7927 pin diagram?
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Analog Devices, Inc

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Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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