AD7671ASTZ

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AD7671ASTZ

IC ADC 16BIT SAR 48LQFP

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Spécifications

Package Bulk,Tray
Series PulSAR®
ProductStatus Active
NumberofBits 16
SamplingRate(PerSecond) 1M
NumberofInputs 1
InputType Differential
DataInterface SPI, Parallel, DSP
Configuration S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External
Voltage-SupplyAnalog 5V
Voltage-SupplyDigital 5V
Features True Bipolar
OperatingTemperature -40°C ~ 85°C
Package/Case 48-LQFP
SupplierDevicePackage 48-LQFP (7x7)

Vue d'ensemble

Description

The AD7671ASTZ is a precision, 16-bit, analog-to-digital converter (ADC) from Analog Devices. It features a successive approximation architecture, offering fast conversion rates of up to 1 MSPS (million samples per second). The device operates with a dual supply voltage, typically +5V and -5V, and supports a single-ended input with differential voltage reference, enhancing its noise immunity and performance in various applications.
It includes a serial SPI (Serial Peripheral Interface) output for easy integration with microcontrollers and digital signal processors. The AD7671 is designed for high accuracy, with low offset and gain errors, making it suitable for applications in instrumentation, medical devices, and industrial automation. It also has built-in features like programmable gain amplification and a track-and-hold circuit, ensuring it captures rapid signal changes with precision.
Overall, the AD7671ASTZ is a versatile ADC ideal for applications requiring high-resolution data acquisition and fast sampling rates.

Features

The AD7671ASTZ is a high-performance, 16-bit, analog-to-digital converter (ADC) designed for precision applications. Key features include:
1. Sampling Rate: Capable of up to 1 MSPS (mega samples per second).
2. Input Range: Supports a bipolar input range of ±10 V or unipolar input range of 0 V to 10 V.
3. Architecture: Utilizes a successive approximation register (SAR) architecture for fast and accurate conversions.
4. Low Power: Consumes low power, making it suitable for battery-operated devices.
5. Digital Outputs: Offers a parallel or serial interface for digital output, facilitating easy integration into various systems.
6. Noise Performance: Features high signal-to-noise ratio (SNR) and low total harmonic distortion (THD).
7. Temperature Range: Rated for industrial temperature range (-40°C to +125°C).
8. Integrated Reference: Includes an onboard voltage reference for enhanced performance.
These features make the AD7671ASTZ ideal for applications in data acquisition systems, industrial control, and medical instrumentation.

Package

The AD7671ASTZ is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) with a 4 mm x 5 mm footprint.

Pinout

The AD7671ASTZ is a 16-bit, 1 MSPS analog-to-digital converter (ADC) with a pin count of 28.
Here are its key pin functions:
1. VDD: Power supply for the ADC.
2. AGND: Analog ground reference.
3. AVDD: Analog power supply for the internal circuits.
4. REFIN: Reference voltage input.
5. SCK: Serial clock input for SPI communication.
6. DIN: Serial data input.
7. DOUT: Serial data output.
8. CS: Chip select for SPI operation.
9. CONVST: Conversion start trigger.
10. DB[15:0]: Data bus outputs (digital output).
11. GPIO: General-purpose input/output pins.
12. RESET: Reset pin to initialize the ADC.
The AD7671ASTZ is designed for low power applications and supports simultaneous sampling, making it suitable for high-performance data acquisition systems.

Manufacturer

The AD7671ASTZ is manufactured by Analog Devices, Inc. (ADI), a leading global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices designs and manufactures a wide range of electronic components, including amplifiers, data converters, sensors, and other signal processing solutions. The company primarily serves markets such as automotive, communications, industrial automation, healthcare, and consumer electronics. ADI is recognized for its innovation and quality in creating products that enable precise measurements and efficient signal processing in various applications.

Application

The AD7671ASTZ is a 16-bit, dual-channel, successive approximation analog-to-digital converter (ADC) primarily used in medical imaging, industrial automation, data acquisition systems, and process control. Its high speed and precision make it suitable for applications requiring accurate signal digitization, including instrumentation, telecommunications, and automotive systems. Additionally, it can be utilized in battery monitoring and energy management systems.

Equivalent

Equivalent products to the AD7671ASTZ chip include the LTC2415 from Analog Devices, the MAX11040 from Maxim Integrated, and the MCP3461 from Microchip Technology. These alternatives also offer high-resolution, low-power analog-to-digital conversion capabilities, making them suitable for similar applications. Always verify specific requirements like resolution, speed, and interface compatibility when considering alternatives.

Expédition

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FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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