Overview
The AD7450ARZ-REEL7 is a high-performance, 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the successive approximation register (SAR) family and is known for its low power consumption and high throughput rates. The AD7450ARZ-REEL7 operates from a single 3 V or 5 V power supply, making it versatile for various applications. It features a fully differential analog input and a variable external reference voltage, allowing for flexible input ranges and bias points. The device is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package, which is compact and suitable for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 12 | - |
| Number of A/D Converters | 1 | - |
| Input Type | Differential | - |
| Sampling Rate (Per Second) | Up to 1 MSPS (5 V), 833 kSPS (3 V) | - |
| Reference Type | External | - |
| Supply Voltage | 2.7 V ~ 5.25 V | V |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | - |
| Operating Temperature | -40°C ~ 85°C | °C |
| Data Interface | SPI, DSP | - |
| Architecture | SAR (Successive Approximation Register) | - |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant | - |
Key Features
- High Throughput Rates: Up to 1 MSPS with a 5 V supply and 833 kSPS with a 3 V supply.
- Low Power Consumption: Maximum power consumption of 3.75 mW at 833 kSPS with a 3 V supply and 1.8 mA at 1 MSPS with a 5 V supply.
- Fully Differential Analog Input: Handles input frequencies in excess of 1 MHz with a –3 dB point typically at 20 MHz.
- Variable External Reference Voltage: Can be varied from 100 mV to 3.5 V, depending on the power supply and application.
- No Pipeline Delay: Ensures accurate control of the sampling instant via the CS input and once-off conversion control.
- Flexible Power and Serial Clock Speed Management: Allows power reduction as the conversion time is reduced through the serial clock speed increase.
- Shutdown Mode: Maximizes power efficiency at lower throughput rates.
Applications
The AD7450ARZ-REEL7 is suitable for a variety of applications that require high-speed, low-power analog-to-digital conversion. These include:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: For high-accuracy data acquisition in medical equipment.
- Aerospace and Defense: For applications requiring robust and reliable ADCs.
- Automotive Systems: For use in automotive sensors and control systems.
- Consumer Electronics: For applications such as audio and video processing.
Q & A
- What is the resolution of the AD7450ARZ-REEL7?
The AD7450ARZ-REEL7 has a 12-bit resolution.
- What are the operating voltage ranges for the AD7450ARZ-REEL7?
The device operates from a single 2.7 V to 5.25 V power supply.
- What is the maximum sampling rate of the AD7450ARZ-REEL7?
The maximum sampling rate is up to 1 MSPS with a 5 V supply and 833 kSPS with a 3 V supply.
- What type of input does the AD7450ARZ-REEL7 have?
The device features a fully differential analog input.
- Is the AD7450ARZ-REEL7 RoHS compliant?
- What is the package type of the AD7450ARZ-REEL7?
- How does the AD7450ARZ-REEL7 manage power consumption?
- What is the operating temperature range of the AD7450ARZ-REEL7?
- How is the conversion process controlled in the AD7450ARZ-REEL7?
- Does the AD7450ARZ-REEL7 have any pipeline delays?
