AD7948BRZ

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AD7948BRZ

+BOM

IC DAC 12BIT A-OUT 20SOIC

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Specifications

Attribute Value
Supplier Analog Devices Inc.
Package Tube
ProductStatus Active
NumberofBits 12
NumberofD/AConverters 1
SettlingTime 600µs (Typ)
OutputType Current - Unbuffered
DifferentialOutput No
DataInterface Parallel
ReferenceType External
Voltage-SupplyAnalog 5V
Voltage-SupplyDigital 5V
INL/DNL(LSB) ±0.5 (Max), ±0.5 (Max)
Architecture R-2R
OperatingTemperature -40°C ~ 85°C
Package/Case 20-SOIC (0.295, 7.50mm Width)
SupplierDevicePackage 20-SOIC

Overview

Description

The AD7948BRZ is an analog-to-digital converter (ADC) from Analog Devices, part of the PulSAR series. It is an 8-channel, 14-bit, successive approximation register (SAR) ADC, designed for precise voltage measurement applications. The device is known for its high performance in terms of accuracy, speed, and power efficiency, making it suitable for applications like data acquisition systems, industrial controls, and medical instruments.
Key features of the AD7948BRZ include a 2.5 MSPS sampling rate, an integrated reference, and a wide operating voltage range. It offers a low power consumption profile, which is crucial for battery-powered and portable devices. The ADC supports both single-ended and differential inputs, offering flexibility in various circuit designs. It communicates through a serial interface, simplifying integration with microcontrollers and DSPs.
The AD7948BRZ comes in a compact, lead-free, 20-pin SSOP package, ensuring ease of use and board space efficiency. Its robust performance and versatile features make it a reliable choice for precision analog-to-digital conversion needs.

Equivalent

The AD7948BRZ is an 8-channel, 14-bit ADC from Analog Devices. Equivalent products include:
1. Texas Instruments ADS7948 - also an 8-channel, 14-bit ADC.
2. Microchip Technology MCP3208 - 8-channel, 12-bit ADC (similar functionality with slightly lower resolution).
3. Maxim Integrated MAX11100 - 8-channel, 14-bit ADC.
These alternatives may differ slightly in specifications like sampling rate, power consumption, or package type, so reviewing the datasheets for compatibility with your specific application is advisable.

Features

The AD7948BRZ is an 8-channel, 14-bit, 1.25 MSPS successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. Key features include:
1. Resolution and Speed: Offers 14-bit resolution with a sampling rate of up to 1.25 million samples per second (MSPS).
2. Input Channels: It features 8 multiplexed input channels, which are single-ended.
3. Interface: Utilizes a SPI-compatible serial interface for easy integration with microcontrollers and DSPs.
4. Power Efficiency: Low power consumption, suitable for battery-powered and energy-efficient applications.
5. Voltage Range: Operates with a supply voltage range from 2.3 V to 5.5 V.
6. Input Range: Supports a wide input voltage range, making it versatile for various signal types.
7. Package: Available in a compact 20-lead SSOP package.
8. Temperature Range: Designed for operation over a wide industrial temperature range.
These features make the AD7948BRZ suitable for applications such as data acquisition systems, instrumentation, and control systems.

Pinout

The AD7948BRZ is an 8-channel, 14-bit, successive approximation register (SAR) analog-to-digital converter (ADC). It comes in a 20-lead standard small outline package (SOIC). The pin count for the AD7948BRZ is 20 pins.
Key functions of the AD7948BRZ include:
- It features a low power consumption and high speed which makes it suitable for various applications requiring fast and precise data conversion.
- The ADC operates with a single power supply ranging from 2.5 V to 5 V.
- It has a parallel interface for data output.
- The device supports multiple input channels, facilitating the conversion of multiple analog signals into digital format.

The AD7948BRZ is commonly used in applications like data acquisition systems, portable instrumentation, and medical devices due to its combination of low power, high speed, and multi-channel input capability.

Manufacturer

The AD7948BRZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company is known for providing a wide range of products used in electronics and technology, such as data converters, amplifiers, RF ICs, power management products, and sensors. These components are utilized in various industries, including automotive, communications, healthcare, industrial, and consumer electronics. Analog Devices is recognized for its emphasis on innovation and is a key player in developing technologies that enhance the performance and efficiency of electronic devices and systems.

Application

The AD7948BRZ is an 8-channel, 14-bit, 250 kSPS successive approximation register (SAR) analog-to-digital converter (ADC). Its application areas include:
1. Industrial Automation: Used for precise data acquisition in control systems and process automation.
2. Instrumentation: Ideal for multichannel data logging and monitoring systems.
3. Medical Devices: Provides accurate analog signal conversion in diagnostic equipment.
4. Communications: Supports signal processing in telecom and networking devices.
5. Consumer Electronics: Used in high-performance audio and video applications.
6. Power Management: Facilitates the monitoring and control of power systems and energy meters.
These applications benefit from its high resolution, fast sampling rate, and multiple input channels.

Package

The AD7948BRZ is an analog-to-digital converter (ADC) from Analog Devices, and it comes in a 20-lead Standard Small Outline Package (SOIC) with a wide body. The package type is denoted by the "BRZ" suffix.

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