AD7945BRZ

Images are for reference only

AD7945BRZ

+BOM

IC DAC 12BIT A-OUT 20SOIC

365 Days Quality Guarantee

7*24 hours service quarantee

90-day after-sales guarantee

Genuine Product Guarantee

Specifications

Attribute Value
Package Bulk,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 AD7945BRZ is a precision analog-to-digital converter (ADC) from Analog Devices. It features a 14-bit resolution and operates with a successive approximation register (SAR) architecture, enabling fast and accurate data conversion. The ADC is designed for applications needing high performance and low power consumption, making it suitable for industrial, instrumentation, and medical devices.
The AD7945BRZ operates with a single power supply, typically at 2.7V to 5.5V, and has a maximum sampling rate of about 600 kSPS (kilosamples per second). It offers a differential input with a wide dynamic range, enhancing its ability to handle various signal types with precision. The device also includes a versatile serial interface that simplifies communication with microcontrollers and DSPs.
The ADC’s compact design and robust performance make it ideal for space-constrained applications. Moreover, its low power consumption ensures efficiency in battery-operated devices. The AD7945BRZ's combination of speed, accuracy, and interface flexibility supports diverse applications requiring reliable analog-to-digital conversion.

Equivalent

The AD7945BRZ is a 14-bit, low-power, and high-speed successive approximation analog-to-digital converter (ADC) from Analog Devices. Equivalent products from other manufacturers might include:
1. LTC1407 from Linear Technology
2. MAX11100 from Maxim Integrated
3. MCP33111 from Microchip Technology
These alternatives offer similar resolution and performance characteristics, but specific parameters should be verified to ensure suitability for your application.

Features

The AD7945BRZ is a high-performance, 14-bit, 1.5 MSPS successive approximation register (SAR) analog-to-digital converter (ADC). Key features include:
1. Resolution and Speed: It offers 14-bit resolution with a sampling rate of up to 1.5 million samples per second (MSPS).
2. Low Power Consumption: It is designed for low power consumption, making it suitable for portable and battery-operated devices.
3. Single-Supply Operation: Operates from a single 2.5 V supply, simplifying power supply design.
4. INL and DNL: Excellent integral nonlinearity (INL) and differential nonlinearity (DNL) performance for accurate signal conversion.
5. Serial Interface: Features a versatile serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards, facilitating easy integration with microcontrollers and DSPs.
6. Compact Package: Available in a small 10-lead MSOP or 10-lead LFCSP package, aiding in space-constrained applications.
7. Temperature Range: Operates over a wide temperature range, typically from −40°C to +85°C, suitable for industrial applications.
These features make the AD7945BRZ ideal for applications requiring high speed, precision, and efficient power usage.

Pinout

The AD7945BRZ is a 14-bit, 600 ksps Analog-to-Digital Converter (ADC) from Analog Devices. It is part of the AD7945 series. The device is encapsulated in a 16-lead SOIC (Small Outline Integrated Circuit) package. The pin count is, therefore, 16.
The pin functions include:
1. Analog Inputs (IN+ and IN-): Differential inputs for the analog signal.
2. Reference Input (REF): Sets the reference voltage for conversion.
3. Supply Voltage (VDD): Powers the ADC.
4. Common (GND): Ground reference.
5. Conversion Control (CNV): Initiates the conversion process.
6. Serial Clock (SCK): Clock input for serial data transfer.
7. Serial Data Out (SDO): Outputs the conversion result in serial format.
8. Busy Indicator (BUSY): Indicates when a conversion is in progress.
These pins enable the AD7945BRZ to perform high-speed and accurate data conversion suitable for various applications, including data acquisition systems and instrumentation.

Manufacturer

The AD7945BRZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of a broad range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company provides products and solutions that are used in a wide variety of electronic equipment, including those used in industrial, automotive, communications, healthcare, and consumer electronics applications. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices is known for its innovation and leadership in the field of analog technologies, offering products like data converters, amplifiers, power management devices, and more.

Application

The AD7945BRZ is a 14-bit, 600 kSPS PulSAR ADC (Analog-to-Digital Converter) and is commonly used in various applications due to its high resolution and speed. Key application areas include:
1. Industrial Automation: For precise measurement and control processes.
2. Instrumentation: Used in data acquisition systems for accurate signal conversion.
3. Medical Devices: Helpful in diagnostic equipment requiring high-precision data conversion.
4. Communications: Facilitates reliable data conversion in high-bandwidth applications.
5. Consumer Electronics: Used in high-performance audio and imaging devices.
Its robust performance, low power consumption, and compact design make it suitable for demanding environments and portable applications.

Package

The AD7945BRZ is a 14-bit analog-to-digital converter (ADC) from Analog Devices. It comes in a small form factor known as the "RZ" package, which is an 8-lead SOIC (Small Outline Integrated Circuit) package. This package type is commonly used for its balance of size, heat dissipation, and ease of handling in surface mount technology.

Products related to AD7945BRZ