AD7923BRU

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AD7923BRU

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仕様

属性
Brand Analog Devices
Series AD7923
Packaging Tube
MountingStyle SMD/SMT
Resolution 12 bit
NumberofChannels 4 Channel
InterfaceType SPI
SamplingRate 200 kS/s
InputType Single-Ended
Architecture SAR
DNL-DifferentialNonlinearity +/- 1.5 LSB
Height 1.05 mm
INL-IntegralNonlinearity +/- 1 LSB
ShippingRestrictions Mouser does not presently sell this product in your region.
Package/Case TSSOP-16
MinimumOperatingTemperature - 40 C
MaximumOperatingTemperature + 85 C
SNR-SignaltoNoiseRatio 70 dB
GainError +/- 1.5 LSB

概要

Description

The AD7923BRU is a 12-bit, successive approximation analog-to-digital converter (ADC) designed by Analog Devices. It features a single-ended input and operates with a supply voltage ranging from 2.7V to 5.5V. The device achieves high performance with a sampling rate of up to 1 MSPS (megasamples per second) and offers low power consumption, making it suitable for portable applications.
The AD7923BRU includes a serial interface (SPI-compatible) for easy integration with microcontrollers and digital systems. It also features an internal reference voltage, simplifying design requirements. Its low noise and high linearity make it ideal for various applications in industrial, automotive, and medical fields.
Key specifications include an input voltage range that is rail-to-rail, a fast conversion time, and an onboard sample-and-hold circuit, enhancing its performance in dynamic signal environments. Overall, the AD7923BRU provides a compact, efficient solution for high-speed analog-to-digital conversion needs.

Equivalent

The AD7923BRU is a 12-bit, 1.0 MSPS ADC from Analog Devices. Equivalent products include the MCP3201 from Microchip, which offers a similar resolution and speed, and the LTC1864 from Analog Devices, which provides higher performance with a 16-bit resolution. Other alternatives are the ADS7883 from Texas Instruments and the MAX11614 from Maxim Integrated, both of which offer comparable features in terms of resolution and sampling rate. Always verify specifications for compatibility with your application.

Features

The AD7923BRU is a 12-bit analog-to-digital converter (ADC) featuring a 1 MSPS sampling rate. Key features include:
1. Resolution: 12-bit resolution for accurate signal representation.
2. Architecture: Successive approximation register (SAR) architecture for efficient conversion.
3. Input Voltage Range: Configurable input voltage range from 0V to VREF.
4. Reference Voltage: Internal or external reference options for flexibility.
5. Interface: SPI-compatible digital interface for ease of communication with microcontrollers and DSPs.
6. Power Supply: Operates from a single supply voltage of 2.7V to 5.25V, ensuring compatibility with various systems.
7. Low Power Consumption: Consumes low power in active mode and can enter a sleep mode for energy savings.
8. Package: Available in a compact 16-lead TSSOP package, suitable for space-constrained applications.
9. Temperature Range: Commercial grade with operational temperature range from -40°C to +85°C.
These features make the AD7923BRU suitable for applications in industrial, medical, and portable devices.

Pinout

The AD7923BRU is a 12-bit analog-to-digital converter (ADC) from Analog Devices. It features a 16-pin TSSOP package. The pin functions are as follows:
1. VDD: Positive power supply.
2. GND: Ground reference.
3. REF: Reference voltage input.
4. SCK: Serial clock input for SPI communication.
5. SDI: Serial data input.
6. SDO: Serial data output.
7. CS: Chip Select (active low).
8. CONVST: Convert start signal input.
9. DB0-DB11: Digital outputs for the 12-bit conversion result (DB0 is the least significant bit).
10. DB12: Overrange indicator (if applicable).
11. VREF: Reference voltage for ADC operation.
The AD7923 operates in a single-supply mode and offers a serial interface for easy integration with microcontrollers. It is designed for applications requiring high-speed data acquisition.

Manufacturer

The AD7923BRU is manufactured by Analog Devices, Inc. (ADI), a prominent company specializing in analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices is recognized for its innovations in high-performance technology that addresses a wide range of applications, including communications, automotive, industrial, instrumentation, and healthcare.
Analog Devices focuses on producing products that facilitate data conversion, signal processing, and power management, serving diverse sectors such as consumer electronics, automotive systems, and industrial automation. The company's expertise in precision analog technology and its commitment to research and development have established it as a leader in the semiconductor industry.
The AD7923BRU itself is a 12-bit analog-to-digital converter (ADC) that features a serial interface, making it suitable for applications requiring precise data conversion with low power consumption. Its integration into various electronic systems exemplifies Analog Devices' dedication to providing high-quality, reliable solutions for complex engineering challenges.

Application

The AD7923BRU is a high-speed, 12-bit analog-to-digital converter (ADC) primarily used in applications such as industrial automation, data acquisition systems, medical instrumentation, and portable battery-powered devices. It is suitable for image processing, motor control, and sensor interfacing due to its low power consumption and fast conversion rates. Additionally, it is utilized in telecommunications and audio equipment for signal processing. Its integrated features make it ideal for applications requiring precise and rapid digital representation of analog signals.

Package

The AD7923BRU is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package).

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