Overview
The AD8611AR-REEL, produced by Analog Devices Inc., is a high-performance, single-supply comparator with a latch function and complementary output. This device is part of the AD8611/AD8612 series, known for its ultrafast 4 ns propagation delay, making it suitable for timing circuits, line receivers, and clock recovery applications. The AD8611 is available in 8-lead MSOP and narrow 8-lead SOIC surface-mount packages, ensuring versatility in design and implementation.
Key Specifications
| Parameter | Rating/Value |
|---|---|
| Total Analog Supply Voltage | 7.0 V |
| Digital Supply Voltage | 7.0 V |
| Input Voltage | VCC +0.3 V to VEE −0.3 V |
| Differential Input Voltage | ±5 V |
| Output Short-Circuit Duration to GND | Indefinite |
| Input Current | ±5 mA |
| Storage Temperature Range | −65°C to +150°C |
| Operating Temperature Range | −40°C to +85°C |
| Junction Temperature Range | −65°C to +150°C |
| Lead Temperature Range (Soldering, 10 sec) | 300°C |
| Propagation Delay | Typically 4 ns |
| Input Bias Current | Maximum 7 μA over temperature |
| Supply Current | Typically 5 mA |
| Output Voltage Swing | Within 200 mV of ground and within 1.5 V of positive supply voltage |
| Maximum Input Frequency | Up to 100 MHz with less than 10 mV of overdrive |
Key Features
- Ultrafast Propagation Delay: Typically 4 ns, making it ideal for high-speed applications such as timing circuits and line receivers.
- Latch Function: The device includes a latch function that is not operational if VCC is less than 4.3 V.
- Complementary Output: Provides matched propagation delays for rising and falling signals, suitable for clock recovery applications.
- Low Power Consumption: Typically 5 mA of supply current, significantly lower than comparable devices like the LT1016.
- Wide Common-Mode Input Range: Extends down to the negative supply voltage and within 2 V of the positive supply voltage.
- High Output Current Capability: Can deliver up to 10 mA of output current without increasing propagation delay.
Applications
- Timing Circuits: The ultrafast propagation delay makes the AD8611 suitable for high-speed timing applications.
- Line Receivers: Ideal for receiving high-speed signals due to its fast response time and low power consumption.
- Clock Recovery: The matched propagation delays for rising and falling signals make it a good choice for clock recovery circuits.
- Analog-to-Digital Converter (ADC) Upgrades: Can be used as an upgrade for LT1394 and LT1016 designs due to its improved performance characteristics...
Q & A
- What is the typical propagation delay of the AD8611?
The typical propagation delay of the AD8611 is 4 ns.
- What are the package options available for the AD8611?
The AD8611 is available in 8-lead MSOP and narrow 8-lead SOIC surface-mount packages.
- What is the maximum input frequency the AD8611 can handle?
The AD8611 can accurately compare input signals up to 100 MHz with less than 10 mV of overdrive...
- How much output current can the AD8611 deliver?
The AD8611 can deliver up to 10 mA of output current without increasing its propagation delay...
- What is the typical supply current of the AD8611?
The typical supply current of the AD8611 is 5 mA.
- What is the input bias current of the AD8611?
The maximum input bias current of the AD8611 is 7 μA over temperature.
- What is the common-mode input voltage range of the AD8611?
The common-mode input voltage range of the AD8611 extends down to the negative supply voltage and within 2 V of the positive supply voltage.
- Can the AD8611 be used as a replacement for the LT1016?
Yes, the AD8611 can be used as a replacement for the LT1016, but there are differences in input voltage range, input bias currents, propagation delay, output voltage swing, and power consumption that need to be considered...
- What are the operating temperature ranges for the AD8611?
The operating temperature range for the AD8611 is −40°C to +85°C.
- How does the AD8611 handle output loading?
The outputs of the AD8611 must not be connected to more than 40 TTL input logic gates or drive similar loads to maintain its specified performance...
