AD7694BRMZ

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AD7694BRMZ

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IC ADC 16BIT SAR 8MSOP

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Thông số kỹ thuật

thuộc tính Giá trị
Package / Case Bulk,Tube
Series PulSAR®
Part Status Active
Number of Bits 16
Sampling Rate(Per Second) 250k
Number of Inputs 1
Input Type Pseudo-Differential
Data Interface SPI, DSP
Configuration S/H-ADC
Ratio - S / H: ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type External
Voltage - Supply, Analog 2.7V ~ 5.5V
Voltage - Supply, Digital 2.7V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Supplier Device Package 8-MSOP

Tổng quan

Description

The AD7694BRMZ is a high-performance, 16-bit analog-to-digital converter (ADC) from Analog Devices. It operates with a successive approximation register (SAR) architecture, making it suitable for precision measurement applications. This ADC features a fast sampling rate of up to 250 kSPS, which allows it to handle various demanding applications efficiently.
The AD7694BRMZ offers excellent noise performance, with a signal-to-noise ratio (SNR) of approximately 91 dB, ensuring accurate and reliable data conversion. It supports a wide input voltage range and operates on a single power supply, simplifying integration into different systems. Additionally, its low power consumption makes it ideal for portable and battery-operated devices.
The ADC communicates using a versatile serial interface, compatible with SPI, QSPI, MICROWIRE, and DSP standards, facilitating easy integration with microcontrollers and DSPs. Its small MSOP-10 package size allows for space-constrained applications. Overall, the AD7694BRMZ is a robust solution for applications requiring high precision and low power consumption, such as instrumentation, data acquisition systems, and industrial controls.

Equivalent

The AD7694BRMZ is a 16-bit Analog-to-Digital Converter (ADC) from Analog Devices. Equivalent products include:
1. Microchip MCP3461 - A similar precision ADC with 16-bit resolution.
2. Texas Instruments ADS8320 - Another 16-bit ADC with comparable performance.
3. Maxim Integrated MAX1166 - Offers 16-bit resolution and similar sampling rates.
4. Linear Technology (Analog Devices) LTC1864 - Known for low-power and 16-bit resolution.
These alternatives may differ slightly in features, so it's important to check specific application requirements.

Features

The AD7694BRMZ is a high-performance, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC). Key features include:
1. Resolution and Accuracy: Offers 18-bit resolution with no missing codes, providing high precision for a wide range of applications.

2. Speed: Operates at sampling rates up to 250 kSPS, making it suitable for fast data acquisition systems.
3. Input Range: Supports a unipolar input range of 0 to VREF, allowing compatibility with various signal levels.
4. Low Power Consumption: Designed for low power operation, consuming approximately 5 mW at 100 kSPS, which is ideal for battery-powered devices.
5. Interface: Features a simple serial interface, compatible with SPI, QSPI™, MICROWIRE™, and DSP interface standards.
6. Package: Available in a compact MSOP-10 package, suitable for space-constrained applications.
7. Temperature Range: Operates over the extended industrial temperature range of -40°C to +85°C, catering to diverse environmental conditions.
These features make the AD7694BRMZ ideal for precision instrumentation, medical equipment, and industrial control applications.

Pinout

The AD7694BRMZ is a 16-bit, 250 kSPS PulSAR (Precision SAR) Analog-to-Digital Converter (ADC) with a pin count of 10. It is designed for use in signal processing and data acquisition systems.
### Pin Configuration:
1. VDD (Pin 1): Power supply input.
2. GND (Pin 2): Ground reference point.
3. IN+ (Pin 3): Positive analog input.
4. IN- (Pin 4): Negative analog input.
5. REF (Pin 5): Reference voltage input.
6. PDREF (Pin 6): Reference power-down pin.
7. CNV (Pin 7): Convert input; initiates conversion when pulsed.
8. BUSY (Pin 8): Indicates the status of the conversion process.
9. SDO (Pin 9): Serial data output; outputs conversion results.
10. SCK (Pin 10): Serial clock input for data output synchronization.
These pins allow the AD7694BRMZ to perform its function as a high-precision ADC suitable for a variety of applications requiring fast and accurate analog-to-digital conversion.

Manufacturer

The AD7694BRMZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company specializes in high-performance electronics that are used in a variety of applications, including industrial, automotive, communications, healthcare, and consumer electronics. Their products include data converters, amplifiers, radio frequency (RF) ICs, power management products, sensors, and signal processing technologies. Analog Devices is recognized for its focus on innovation and delivering solutions that enhance the capabilities and efficiency of electronic systems.

Application

The AD7694BRMZ is a precision 16-bit analog-to-digital converter (ADC) that is used in various applications requiring high accuracy and low power consumption. Key application areas include:
1. Data Acquisition Systems: Ideal for collecting accurate data in industrial and scientific environments.
2. Medical Instrumentation: Used in devices that require precise measurements, such as imaging and diagnostic equipment.
3. Process Control: Suitable for monitoring and controlling industrial processes, where precision is critical.
4. Portable Devices: Its low power consumption makes it ideal for battery-operated equipment.
5. Test and Measurement Equipment: Ensures accurate measurement and analysis in laboratory and field settings.
These areas benefit from its high-resolution performance and compact design.

Package

The AD7694BRMZ is a precision analog-to-digital converter (ADC) produced by Analog Devices. It comes in an MSOP-10 package, which is a mini small-outline package with 10 pins. This type of packaging is compact, making it suitable for applications where space is limited.

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