AD7946BRMZ

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AD7946BRMZ

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IC ADC 14BIT SAR 10MSOP

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Thông số kỹ thuật

thuộc tính Giá trị
Package Bulk,Tube
Series PulSAR®
ProductStatus Active
NumberofBits 14
SamplingRate(PerSecond) 500k
NumberofInputs 1
InputType Pseudo-Differential
DataInterface SPI, DSP
Configuration S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External
Voltage-SupplyAnalog 5V
Voltage-SupplyDigital 5V
OperatingTemperature -40°C ~ 85°C
Package/Case 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
SupplierDevicePackage 10-MSOP

Tổng quan

Description

The AD7946BRMZ is a precision, 14-bit, successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Analog Devices. It operates at sampling rates up to 250 kSPS (kilo-samples per second) and is designed for high-performance applications. This ADC features a differential input range, which enhances noise immunity and allows for flexible voltage measurements.
Key features of the AD7946BRMZ include low power consumption, with a typical operating current of 1.3 mA and a standby current of 1 µA, making it suitable for battery-powered applications. It has a serial interface, compatible with SPI, QSPI, and MICROWIRE standards, which facilitates easy connection to microcontrollers and DSPs.
The device operates over a wide temperature range, from -40°C to +85°C, and comes in a compact 10-lead MSOP package, optimizing space in circuit designs. With its high accuracy, fast conversion speed, and low power usage, the AD7946BRMZ is ideal for data acquisition systems, industrial controls, and medical instruments.

Equivalent

The AD7946BRMZ is a 14-bit, 250 kSPS, PulSAR ADC from Analog Devices. Equivalent products include the LTC1407A from Analog Devices (formerly Linear Technology), the MCP33151 from Microchip Technology, and the ADS7946 from Texas Instruments. These offer similar specifications in terms of resolution and sampling rate, but differences may exist in power consumption, package type, and other features. Always check the datasheets to ensure compatibility with your specific requirements.

Features

The AD7946BRMZ is a high-performance, 14-bit, successive approximation register (SAR) analog-to-digital converter (ADC). Key features include:
1. Resolution and Speed: Offers 14-bit resolution with a sampling rate of up to 250 kSPS, providing accurate and fast data conversion.
2. Input Range: Supports a wide input voltage range from 0 to VREF, making it versatile for various applications.
3. Low Power Consumption: Designed for low power applications, it operates efficiently with a power dissipation of approximately 3mW at full speed.
4. Serial Interface: Utilizes a SPI-compatible serial interface, allowing easy integration with microcontrollers and digital signal processors (DSPs).
5. Small Package: Available in a compact MSOP-10 package, suitable for space-constrained applications.
6. High Performance: Features a signal-to-noise ratio (SNR) of around 85 dB, ensuring high accuracy and fidelity in signal conversion.
7. Reference Voltage: Internal reference provides stable operation, with the option to use an external reference for greater design flexibility.
These features make the AD7946BRMZ suitable for precision measurement and data acquisition systems in industrial, automotive, and instrumentation applications.

Pinout

The AD7946BRMZ is a 14-bit, successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It comes in a 10-lead MSOP (Mini Small Outline Package) and has the following key features:
- Pin Count: 10 pins
- Functions:
- VDD: Power supply pin.
- GND: Ground reference.
- VREF: Reference voltage input.
- IN+ / IN-: Differential analog input pins.
- SDI: Serial data input.
- SDO: Serial data output.
- SCK: Serial clock input.
- CNV: Convert input for initiating conversions.
- BUSY: Indicates conversion status.
The AD7946BRMZ is designed for high performance in a compact form factor, suitable for applications needing accurate and fast digital conversion from analog signals.

Manufacturer

The AD7946BRMZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that designs and manufactures a broad range of integrated circuits, with a focus on data conversion, signal processing, and power management technologies. The company caters to sectors such as industrial, automotive, healthcare, consumer electronics, and communications. Known for its innovation and high-performance products, Analog Devices specializes in analog, mixed-signal, and digital signal processing technologies, playing a significant role in enabling advancements in electronic systems and applications worldwide.

Application

The AD7946BRMZ is a precision 14-bit, 250 kSPS PulSAR® analog-to-digital converter (ADC) used in various applications requiring high accuracy and speed. Key application areas include:
1. Industrial Automation: For precise control and monitoring systems.
2. Data Acquisition Systems: In scientific and engineering measurements.
3. Medical Devices: Such as diagnostic imaging equipment.
4. Instrumentation: Used in test and measurement equipment.
5. Communications: In signal processing for telecommunications.
6. Energy Management: For smart grid and power monitoring solutions.
Its low power consumption and high performance make it suitable for portable and battery-powered devices as well.

Package

The AD7946BRMZ is an analog-to-digital converter (ADC) from Analog Devices. It comes in an MSOP-10 (Mini Small Outline Package) form factor, which is a surface-mount package type. This package is compact, making it suitable for applications with space constraints.

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