AD7904BRUZ

Product Overview

Category

AD7904BRUZ belongs to the category of analog-to-digital converters (ADCs).

Use

The AD7904BRUZ is used to convert analog signals into digital data for processing and analysis in various applications.

Characteristics

• High precision: The AD7904BRUZ offers high-resolution conversion, ensuring accurate representation of analog signals.
• Fast conversion rate: With a fast sampling rate, this ADC can handle real-time data acquisition.
• Low power consumption: The AD7904BRUZ is designed to operate efficiently with low power requirements.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse signal sources.

Package

The AD7904BRUZ comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of the AD7904BRUZ lies in its ability to convert analog signals into digital form, enabling further processing and analysis.

Packaging/Quantity

The AD7904BRUZ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 12 bits
• Sampling Rate: 1 MSPS (Mega Samples Per Second)
• Input Voltage Range: ±10V
• Power Supply: +5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AD7904BRUZ has a total of 16 pins. Here is the detailed pin configuration:

1. VDD: Power supply positive terminal
2. VREF: Reference voltage input
3. AGND: Analog ground
4. VIN1: Analog input channel 1
5. VIN2: Analog input channel 2
6. VIN3: Analog input channel 3
7. VIN4: Analog input channel 4
8. DGND: Digital ground
9. DOUT1: Digital output channel 1
10. DOUT2: Digital output channel 2
11. DOUT3: Digital output channel 3
12. DOUT4: Digital output channel 4
13. CS: Chip select input
14. SCLK: Serial clock input
15. SDATA: Serial data input/output
16. RESET: Reset input

Functional Features

• Simultaneous Sampling: The AD7904BRUZ can sample all four analog input channels simultaneously, allowing for accurate synchronization of multiple signals.
• Serial Interface: It utilizes a serial interface for communication with microcontrollers or other digital devices, enabling easy integration into various systems.
• Low Power Consumption: The ADC is designed to operate efficiently with low power consumption, making it suitable for battery-powered applications.
• High Accuracy: With its high-resolution conversion capability, the AD7904BRUZ provides precise and reliable digital representations of analog signals.

Advantages and Disadvantages

Advantages

• High precision and accuracy
• Fast conversion rate
• Wide input voltage range
• Low power consumption
• Simultaneous sampling of multiple channels

Disadvantages

• Limited number of input channels (4 channels)
• Requires external reference voltage source

Working Principles

The AD7904BRUZ operates on the principle of successive approximation. It converts analog signals into digital form by comparing the input voltage with a reference voltage and iteratively adjusting the digital representation until a close match is achieved. This process is repeated for each input channel.

Detailed Application Field Plans

The AD7904BRUZ finds applications in various fields, including:

1. Industrial Automation: Used for monitoring and control systems that require accurate measurement of analog signals.
2. Medical Devices: Enables precise data acquisition in medical equipment such as patient monitoring systems and diagnostic instruments.
3. Test and Measurement: Suitable for high-precision data acquisition in laboratory equipment and test instruments.
4. Communication Systems: Used for signal processing and analysis in communication systems, ensuring reliable transmission and reception of analog signals.

Detailed and Complete Alternative Models

1. AD7908BRUZ: Similar to AD7904BRUZ but with 8 input channels instead of 4.
2. AD7914BRUZ: Offers higher resolution (14 bits) compared to AD7904BRUZ.
3. AD7980BRUZ: Provides a faster sampling rate (2 MSPS) while maintaining similar characteristics to AD7904BRUZ.

These alternative models offer different specifications and features to cater to specific application requirements.

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