AD7923BRU

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AD7923BRU

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Specifications

Brand Analog Devices
Series AD7923
Packaging Tube
Mounting Style SMD/SMT
Resolution 12 bit
Number of Channels 4 Channel
Interface Type SPI
Sampling Rate 200 kS/s
Input Type Single-Ended
Architecture SAR
DNL - Differential Nonlinearity +/- 1.5 LSB
Height 1.05 mm
INL - Integral Nonlinearity +/- 1 LSB
Shipping Restrictions Mouser does not presently sell this product in your region.
Package / Case TSSOP-16
Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C
SNR - Signal to Noise Ratio 70 dB
Gain Error +/- 1.5 LSB

Overview

Description

The AD7923BRU is a high-speed, 12-bit analog-to-digital converter (ADC) from Analog Devices. It features a dual-channel architecture, allowing simultaneous sampling of two input signals. The device operates on a single 2.7V to 5.25V supply and offers a sampling rate of up to 1 MSPS, making it suitable for applications that require quick data acquisition.
With a low power consumption of approximately 1.2 mA in normal mode and an internal reference voltage, the AD7923BRU is ideal for battery-operated devices. It communicates through a serial interface compatible with SPI, allowing easy integration into microcontroller systems. The ADC also includes programmable gain amplifiers (PGAs) for signal conditioning, enhancing its versatility in various applications, including industrial control, medical instrumentation, and consumer electronics.
Overall, the AD7923BRU delivers excellent performance in terms of speed, accuracy, and power efficiency, making it a popular choice for designers seeking reliable ADC solutions.

Features

The AD7923BRU is a high-speed, 12-bit analog-to-digital converter (ADC) designed for low power applications. Key features include:
1. Sampling Rate: It supports up to 1 MSPS (Mega Samples Per Second).
2. Resolution: Offers 12-bit resolution with a differential input range.
3. Input Voltage Range: Operates with a supply voltage range of 2.7V to 5.5V.
4. Interface: SPI-compatible serial interface for easy integration.
5. Power Consumption: Low power operation, consuming approximately 1.5 mW at 1 MSPS.
6. Internal Reference: Contains an internal reference voltage of 2.5V.
7. Single Supply Operation: Functions on a single supply voltage, simplifying design.
8. Noise Performance: Features low noise and distortion, ensuring high-quality signal acquisition.
9. Package Options: Available in a compact 20-lead LFCSP package, ideal for space-constrained applications.
The AD7923BRU is suitable for various applications, including industrial automation, medical devices, and portable instrumentation.

Package

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

Pinout

The AD7923BRU is a 12-bit analog-to-digital converter (ADC) from Analog Devices. It features a total of 20 pins.
Pin Functions:
1. VDD: Power supply (+2.7V to +5.5V).
2. GND: Ground connection.
3. REF: Reference voltage input.
4. VIN+: Non-inverting input for the signal.
5. VIN-: Inverting input for the signal.
6. SCK: Serial clock input.
7. SDI: Serial data input.
8. SDO: Serial data output.
9. CS: Chip select input.
10. CONVST: Convert start signal.
11. DB0-DB11: Data output pins (for the 12-bit digital output).
12. SDO/SDI: Can be configured for single-ended or differential input mode.
13. GPIO: General-purpose input/output options.
This ADC is often used in precision measurement applications due to its high performance and low power consumption.

Manufacturer

The AD7923BRU is manufactured by Analog Devices, Inc. (ADI). Founded in 1965, Analog Devices is a leading global company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various industries, including communications, automotive, industrial, and consumer electronics, providing solutions that enhance the performance and efficiency of electronic systems. ADI is known for its innovation in precision signal processing and has a strong reputation for quality and reliability in its products.

Application

The AD7923BRU is a low-power, 12-bit analog-to-digital converter (ADC) primarily used in applications such as industrial process control, data acquisition systems, remote sensing, medical instrumentation, and portable instrumentation. Its features make it suitable for battery-operated devices and high-performance applications requiring accurate signal measurement and conversion.

Equivalent

Equivalent products to the AD7923BRU chip include the MCP3201, MCP3202, and ADS1115. These alternatives are also 12-bit successive approximation ADCs with varying specifications in terms of channels, sampling rate, and interface. Always check datasheets for specific requirements to ensure compatibility.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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