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Name: AD7927BRUZ-REEL7
Brand: Analog Devices Inc.
SKU: AD7927BRUZ-REEL7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc. AD7927BRUZ-REEL7

Part No.:: AD7927BRUZ-REEL7

Manufacturer:: Analog Devices Inc.

Package:: 20-TSSOP (0.173, 4.40mm Width)

Datasheet:

Description:: IC ADC 12BIT SAR 20TSSOP

In Stock:: 3690

Quantity:: Add To Cart

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AD7927BRUZ-REEL7 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
Product Status:
Active
Number of Bits:
12
Sampling Rate(PerSecond):
200k
Number of Inputs:
8
Input Type:
Single Ended
Data Interface:
SPI, DSP
Configuration:
MUX-S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
1
Architecture:
SAR
Reference Type:
External
Voltage-Supply Analog:
2.7V ~ 5.25V
Voltage-Supply Digital:
2.7V ~ 5.25V
Features:
-
Operating Temperature:
-40°C ~ 85°C

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AD7927BRUZ-REEL7 information

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AD7927BRUZ-REEL7 Typical application Circuitry

AD7927BRUZ-REEL7

The AD7927BRUZ-REEL7 is a high-performance, 12-bit analog-to-digital converter (ADC) that features a fast sampling rate, multiple input channels, and a low-power design. It is engineered for a variety of applications where precise and rapid conversion of analog signals to digital form is required. Typical use cases include medical instrumentation, data acquisition systems, and industrial process control.

Key Specifications of the AD7927BRUZ-REEL7:

- Resolution: Provides a 12-bit resolution for accurate analog-to-digital conversion.

- Sampling Rate: Offers a sampling rate of up to 2 MSPS (Mega Samples Per Second), enabling swift data acquisition.

- Power Supply: Operates with a single 2.7V to 5.25V power supply, suitable for low-power applications.

- Input Channels: Features eight single-ended input channels, allowing for versatile signal monitoring.

- Interface: Equipped with an SPI-compatible serial interface for straightforward integration with digital systems.

Application Scenario - Medical Instrumentation:

In medical instrumentation, such as patient monitoring systems, the AD7927BRUZ-REEL7 can be utilized to accurately measure and digitize various physiological signals, including heart rate, blood pressure, and temperature.

Detailed Circuit Design:

- Power Supply Connection: Connect the VDD pin of the AD7927 to a 3.3V power source to ensure efficient operation while minimizing power consumption. The GND pin should be grounded.

- Sensor Interface: Link the AIN0 to AIN7 pins to the outputs of medical sensors. For instance, AIN0 could be connected to a heart rate sensor, AIN1 to a blood pressure sensor, and so on.

- Digital Communication: Interface the AD7927's SPI pins (SCLK, SDATA, and CS) with the corresponding pins of a microcontroller to enable fast and reliable data transfer.

- Reference Voltage: Attach a precise and stable reference voltage to the VREF pin. This reference voltage determines the full-scale range of the AD7927BRUZ-REEL7 ADC and is critical for maintaining measurement accuracy.

Considerations for Circuit Design:

- Signal Conditioning: Implement appropriate signal conditioning circuits, such as amplifiers or filters, to ensure that the sensor outputs are within the ADC's input range and free from noise.

- Decoupling Capacitors: Place decoupling capacitors close to the VDD and GND pins to reduce power supply noise, which is essential for maintaining the integrity of the analog signals.

- Reference Voltage Stability: Choose a reference voltage source with low temperature drift and low noise to ensure consistent accuracy across different operating conditions.

- PCB Layout: Carefully design the PCB layout to minimize noise interference, keeping the analog and digital sections separate and using a ground plane to reduce ground loop impedance.

- Sampling Rate Adjustment: Select an appropriate sampling rate based on the dynamics of the physiological signals being monitored, ensuring that the ADC captures all relevant information.

By integrating the AD7927BRUZ-REEL7 into medical instrumentation, designers can achieve precise and rapid digitization of physiological signals, enhancing the accuracy and reliability of patient monitoring systems.

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6. What is the process for return or replacement of AD7927BRUZ-REEL7?

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 AD7927BRUZ-REEL7 we delivered, we will accept the replacement or return of the AD7927BRUZ-REEL7 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 AD7927BRUZ-REEL7.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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