Overview
The AD8611AR, produced by Analog Devices Inc., is a high-performance, single-supply comparator with a propagation delay of 4 ns. This ultrafast comparator is available in 8-lead MSOP and narrow 8-lead SOIC surface-mount packages. It is designed for applications requiring fast and accurate signal comparison, making it suitable for timing circuits, line receivers, and clock recovery systems.
Key Specifications
| Parameter | Rating/Value |
|---|---|
| Total Analog Supply Voltage | 7.0 V |
| Input Voltage Range | VCC +0.3 V to VEE −0.3 V |
| Differential Input Voltage | ±5 V |
| Propagation Delay | 4 ns (typical) |
| Input Bias Current | 7 μA (maximum over temperature) |
| Output Voltage Swing | Within 200 mV of ground and within 1.5 V of positive supply voltage |
| Supply Current | 5 mA (typical) |
| Operating Temperature Range | −40°C to +85°C |
| Package Type | 8-Lead MSOP, 8-Lead SOIC |
Key Features
- Ultrafast 4 ns propagation delay, making it suitable for high-speed applications.
- Single-supply operation with a supply voltage range up to 7 V.
- Wide common-mode input range that includes the negative supply rail.
- Low input bias current of 7 μA maximum over temperature.
- Complementary output and latch function (latch not functional if VCC is less than 4.3 V).
- Low power consumption with a typical supply current of 5 mA.
- Available in 8-lead MSOP and narrow 8-lead SOIC surface-mount packages.
Applications
- Timing circuits and line receivers due to its fast propagation delay.
- Clock recovery systems where matched delay is crucial.
- High-speed signal processing and comparison in various electronic systems.
- Data acquisition and communication systems requiring fast and accurate signal comparison.
Q & A
- What is the propagation delay of the AD8611AR?
The propagation delay of the AD8611AR is 4 ns.
- What is the input voltage range for the AD8611AR?
The input voltage range for the AD8611AR is from VCC +0.3 V to VEE −0.3 V.
- What is the maximum input bias current of the AD8611AR?
The maximum input bias current of the AD8611AR is 7 μA over temperature.
- What is the typical supply current of the AD8611AR?
The typical supply current of the AD8611AR is 5 mA.
- What are the available package types for the AD8611AR?
The AD8611AR is available in 8-lead MSOP and narrow 8-lead SOIC surface-mount packages.
- What is the operating temperature range for the AD8611AR?
The operating temperature range for the AD8611AR is −40°C to +85°C.
- Can the AD8611AR be used for clock recovery systems?
Yes, the AD8611AR is suitable for clock recovery systems due to its matched propagation delay for rising and falling signals.
- Is the latch function of the AD8611AR functional at all supply voltages?
No, the latch function of the AD8611AR is not functional if VCC is less than 4.3 V.
- What is the maximum output current the AD8611AR can deliver?
The AD8611AR can deliver up to 10 mA of output current without increasing its propagation delay.
- Can the AD8611AR handle high-frequency input signals?
Yes, the AD8611AR can accurately compare input signals up to 100 MHz with less than 10 mV of overdrive.
