AD421BRZRL7

Overview

Category: Integrated Circuit (IC)

Use: Analog-to-Digital Converter (ADC)

Characteristics: - High precision - Low power consumption - Small form factor - Wide operating voltage range

Package: BRZRL7 (Surface Mount)

Essence: The AD421BRZRL7 is a high-performance analog-to-digital converter designed for various applications that require accurate and reliable conversion of analog signals into digital data.

Packaging/Quantity: The AD421BRZRL7 is available in a surface mount package, BRZRL7. It is typically sold in reels or trays containing multiple units.

Specifications

• Resolution: 16 bits
• Input Voltage Range: ±10V
• Conversion Rate: 100 kSPS (Samples per Second)
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 2.7V to 5.5V
• Power Consumption: 1.5mW (typical)

Pin Configuration

The AD421BRZRL7 features a standard pin configuration with the following pins:

1. VDD: Positive supply voltage
2. GND: Ground reference
3. VIN: Analog input voltage
4. SCLK: Serial clock input
5. DIN: Serial data input
6. CS: Chip select input
7. DOUT: Serial data output
8. REF: Reference voltage input

Functional Features

• High-resolution conversion: The AD421BRZRL7 offers 16-bit resolution, ensuring accurate representation of analog signals.
• Low power consumption: With a power consumption of only 1.5mW, the AD421BRZRL7 is suitable for battery-powered applications.
• Flexible operating voltage range: The IC can operate within a wide voltage range of 2.7V to 5.5V, providing compatibility with various systems.
• Fast conversion rate: The AD421BRZRL7 can perform conversions at a rate of 100 kSPS, enabling real-time data acquisition.

Advantages and Disadvantages

Advantages: - High precision conversion - Low power consumption - Compact size - Wide operating voltage range

Disadvantages: - Limited input voltage range (±10V) - Relatively high cost compared to lower-resolution ADCs

Working Principles

The AD421BRZRL7 utilizes a successive approximation algorithm to convert analog signals into digital data. It employs an internal reference voltage and a precision analog-to-digital converter to achieve accurate and reliable conversion results.

Detailed Application Field Plans

The AD421BRZRL7 is widely used in various applications that require precise analog-to-digital conversion, including:

1. Industrial automation systems
2. Data acquisition systems
3. Medical equipment
4. Test and measurement instruments
5. Audio processing devices

Detailed and Complete Alternative Models

1. AD420: 14-bit resolution, ±5V input voltage range
2. AD422: 18-bit resolution, ±10V input voltage range
3. AD423: 12-bit resolution, ±2.5V input voltage range
4. AD424: 20-bit resolution, ±15V input voltage range

These alternative models offer different resolutions and input voltage ranges to cater to specific application requirements.

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