Overview
The AD8611ARMZ-REEL is a high-performance, ultrafast single-supply comparator produced by Analog Devices Inc. This component is part of the AD8611/AD8612 series, known for its fast propagation delay and robust specifications. The AD8611 is available in an 8-lead MSOP package and is designed to operate over an industrial temperature range of -40°C to +85°C. It is particularly suited for applications requiring fast and reliable comparison of input signals, making it ideal for timing circuits, line receivers, and clock recovery systems.
Key Specifications
| Parameter | Rating/Value | Unit |
|---|---|---|
| Total Analog Supply Voltage | 7.0 | V |
| Input Voltage Range | VCC +0.3 V to VEE -0.3 V | V |
| Differential Input Voltage | ±5 | V |
| Propagation Delay | 4 | ns |
| Operating Temperature Range | -40°C to +85°C | °C |
| Input Bias Current | 7 μA (max) | A |
| Supply Current | 5 mA (typical) | A |
| Output Type | Complementary, TTL | |
| Package Type | 8-Lead MSOP |
Key Features
- Ultrafast Propagation Delay: The AD8611 features a propagation delay of 4 ns, making it suitable for high-speed applications.
- Low Supply Current: It operates with a typical supply current of 5 mA, which is significantly lower than comparable devices.
- Wide Common-Mode Input Range: The input range includes the negative supply rail, enhancing its versatility in various circuits.
- Latch Function: The comparator includes a latch function, although it is not functional if VCC is less than 4.3 V.
- Complementary Output: Provides complementary TTL outputs, which are useful in digital logic circuits.
- High Accuracy: Can accurately compare input signals up to 100 MHz with minimal overdrive.
Applications
- Timing Circuits: Ideal for applications requiring precise timing due to its fast propagation delay and matched delay for rising and falling signals.
- Line Receivers: Suitable for line receiver applications where fast and reliable signal comparison is necessary.
- Clock Recovery Systems: The matched propagation delay makes it a good choice for clock recovery, ensuring the duty cycle of the output matches the duty cycle of the input.
- High-Speed Data Acquisition: Useful in high-speed data acquisition systems where rapid signal comparison is critical.
Q & A
- What is the propagation delay of the AD8611?
The propagation delay of the AD8611 is 4 ns.
- What is the operating temperature range of the AD8611?
The operating temperature range is -40°C to +85°C.
- What is the typical supply current of the AD8611?
The typical supply current is 5 mA.
- Does the AD8611 have a latch function?
Yes, the AD8611 includes a latch function, but it is not functional if VCC is less than 4.3 V.
- What is the maximum differential input voltage for the AD8611?
The maximum differential input voltage is ±5 V.
- What is the output type of the AD8611?
The output type is complementary TTL.
- Can the AD8611 accurately compare high-frequency input signals?
Yes, it can accurately compare input signals up to 100 MHz with minimal overdrive.
- What package types are available for the AD8611?
The AD8611 is available in 8-lead MSOP and 8-lead SOIC packages.
- What is the input bias current of the AD8611?
The input bias current is 7 μA (maximum) over the operating temperature range.
- Is the AD8611 suitable for clock recovery applications?
Yes, it is suitable due to its matched propagation delay for rising and falling signals, ensuring the duty cycle of the output matches the duty cycle of the input.
