Overview
The AD768ARZ-REEL, produced by Analog Devices Inc., is a 16-bit analog-to-digital converter (ADC) known for its high performance and low power consumption. This device is part of the AD7680 series and is packaged in a 6-lead SOT-23 or 8-lead MSOP, offering significant space-saving advantages. The AD7680 series is notable for being the first 16-bit ADC available in such compact packages. It features a successive approximation architecture and includes a low noise, wide bandwidth track-and-hold amplifier, making it suitable for a variety of applications requiring precise and efficient analog-to-digital conversion.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 16 bits | ||
| Throughput Rate | 100 kSPS | With SCLK at 2.5 MHz | |
| Power Supply (VDD) | 2.5 V to 5.5 V | V | |
| Power Consumption | 3 mW (typ) at 2.5 V 3.9 mW (typ) at 3 V 16.7 mW (typ) at 5 V | mW | At 100 kSPS |
| Conversion Time | 8 μs max (20 SCLK cycles) 9.6 μs max (24 SCLK cycles) | μs | With SCLK at 2.5 MHz |
| Track-and-Hold Acquisition Time | 1.5 μs max (full-scale step input) 400 ns max (sine wave input ≤ 10 kHz) | μs/ns | |
| Analog Input Range | 0 V to VDD | V | |
| Output Coding | Straight (Natural) Binary | ||
| Package Type | 6-lead SOT-23 or 8-lead MSOP |
Key Features
- High Throughput Rate: Up to 100 kSPS with a 2.5 MHz clock.
- Low Power Consumption: 3 mW typical at 100 kSPS with a 2.5 V supply.
- Wide Input Bandwidth: The track-and-hold amplifier can handle input frequencies in excess of 7 MHz.
- Flexible Power and Serial Clock Management: Conversion rate determined by the serial clock frequency.
- Compact Packaging: Available in 6-lead SOT-23 and 8-lead MSOP packages.
- Power-Down Option: To save power between conversions.
- No External Reference Required: The reference is derived from the power supply, providing the widest dynamic input range.
Applications
The AD768ARZ-REEL is suitable for various applications that require high-resolution analog-to-digital conversion with low power consumption. These include:
- Medical Devices: For precise measurement and data acquisition in medical equipment.
- Industrial Automation: In control systems and data logging applications.
- Aerospace and Defense: Where high accuracy and reliability are critical.
- Consumer Electronics: In audio and video processing, and other consumer devices requiring high-quality ADCs.
- Automotive Systems: For sensor data acquisition and control systems.
Q & A
- What is the resolution of the AD768ARZ-REEL?
The AD768ARZ-REEL has a resolution of 16 bits. - What is the maximum throughput rate of the AD768ARZ-REEL?
The maximum throughput rate is 100 kSPS with a 2.5 MHz clock. - What is the power consumption of the AD768ARZ-REEL at 100 kSPS?
The power consumption is typically 3 mW at 2.5 V, 3.9 mW at 3 V, and 16.7 mW at 5 V. - What is the analog input range of the AD768ARZ-REEL?
The analog input range is from 0 V to VDD. - Does the AD768ARZ-REEL require an external reference voltage?
No, the reference is derived from the power supply. - What are the available package types for the AD768ARZ-REEL?
The device is available in 6-lead SOT-23 and 8-lead MSOP packages. - How is the conversion rate controlled in the AD768ARZ-REEL?
The conversion rate is determined by the serial clock frequency. - Does the AD768ARZ-REEL have a power-down feature?
Yes, it has a power-down option to save power between conversions. - What is the track-and-hold acquisition time for the AD768ARZ-REEL?
The track-and-hold acquisition time is 1.5 μs max for a full-scale step input and 400 ns max for a sine wave input ≤ 10 kHz. - What are some typical applications of the AD768ARZ-REEL?
Typical applications include medical devices, industrial automation, aerospace and defense, consumer electronics, and automotive systems.
