AD7788ARM-REEL

Product Overview

Category

AD7788ARM-REEL belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog signals into digital data. It finds applications in various industries such as telecommunications, industrial automation, medical devices, and consumer electronics.

Characteristics

• High-resolution: The AD7788ARM-REEL offers a resolution of up to 24 bits, ensuring accurate conversion of analog signals.
• Low power consumption: This ADC operates at low power, making it suitable for battery-powered devices.
• Wide input voltage range: It can handle a wide range of input voltages, allowing flexibility in signal acquisition.
• Fast conversion rate: The AD7788ARM-REEL provides fast conversion speeds, enabling real-time data processing.
• Integrated features: It includes built-in programmable gain amplifiers (PGAs) and reference buffers, simplifying the design process.

Package

The AD7788ARM-REEL comes in a small form factor package, typically a 16-lead TSSOP (Thin Shrink Small Outline Package). This package ensures ease of integration into various circuit designs.

Essence

The essence of the AD7788ARM-REEL lies in its ability to accurately convert analog signals into digital data with high resolution and low power consumption.

Packaging/Quantity

The AD7788ARM-REEL is usually packaged in reels, containing a specific quantity of units per reel. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Resolution: Up to 24 bits
• Input Voltage Range: ±Vref
• Conversion Rate: Up to 4.8 kSPS (thousand samples per second)
• Power Supply: 2.7V to 5.25V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AD7788ARM-REEL has a 16-lead TSSOP package with the following pin configuration:

1. VDD: Power supply voltage
2. VREF: Reference voltage input
3. AGND: Analog ground
4. AIN(+) and AIN(-): Differential analog input pins
5. REFOUT: Buffered reference output
6. REFIN: External reference input
7. DVDD: Digital power supply voltage
8. DGND: Digital ground
9. DOUT/RDY: Data output/Ready signal
10. DIN: Serial data input
11. SCLK: Serial clock input
12. CS: Chip select input
13. PD: Power-down mode control
14. CLKSEL: Clock selection input
15. RESET: Reset input
16. NC: No connection

Functional Features

• High-resolution ADC with up to 24-bit conversion accuracy.
• Programmable gain amplifiers (PGAs) allow for signal amplification and attenuation.
• Integrated reference buffers ensure stable and accurate voltage references.
• Serial interface enables easy communication with microcontrollers or other digital devices.
• Power-down mode for reduced power consumption during idle periods.
• Flexible clock selection options for compatibility with different system requirements.

Advantages and Disadvantages

Advantages

• High resolution ensures precise measurement and data acquisition.
• Low power consumption makes it suitable for battery-powered applications.
• Integrated features simplify circuit design and reduce external component count.
• Wide input voltage range allows for versatile signal acquisition.
• Fast conversion rate enables real-time data processing.

Disadvantages

• Limited number of channels may restrict simultaneous multi-channel measurements.
• Higher cost compared to lower-resolution ADCs.
• Requires careful consideration of noise and grounding for optimal performance.

Working Principles

The AD7788ARM-REEL operates based on the principle of successive approximation. It samples the analog input voltage, converts it into a digital representation using an internal ADC, and outputs the result through the serial interface. The programmable gain amplifiers (PGAs) allow for signal conditioning and amplification before conversion. The integrated reference buffers ensure accurate voltage references for precise measurements.

Detailed Application Field Plans

The AD7788ARM-REEL finds applications in various fields, including:

1. Industrial Automation: Used for process control, data acquisition, and monitoring systems.
2. Telecommunications: Enables accurate measurement and analysis of analog signals in communication equipment.
3. Medical Devices: Provides high-resolution data acquisition for medical instruments and patient monitoring systems.
4. Consumer Electronics: Used in audio equipment, portable devices, and home automation systems for analog-to-digital signal conversion.

Detailed and Complete Alternative Models

1. AD7790: A lower-resolution alternative with 16-bit resolution but similar features.
2. AD7791: Similar to AD7788ARM-REEL but offers additional features like on-chip temperature sensor and current sources.
3. ADS124S08: Another