Overview
The AD8561AR-REEL7, produced by Analog Devices Inc., is an ultrafast single-supply comparator with a propagation delay of just 7 ns. This component is designed for high-speed applications and features separate input and output sections, allowing for flexible supply configurations. It operates on a single supply voltage ranging from 3 V to 10 V, making it versatile for various circuit designs. The AD8561 is particularly suited for timing circuits, line receivers, clock recovery, and digital communications due to its fast response time and matched propagation delays for rising and falling signals.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Propagation Delay | tP | 200 mV Step with 100 mV Overdrive | 6.75 | 7 | 9.8 | ns |
| Offset Voltage | VOS | -40°C ≤ TA ≤ +85°C | 1 | - | 7 | mV |
| Input Bias Current | IB | VCM = 0 V | -6 | -3 | -3 | μA |
| Input Common-Mode Voltage Range | VCM | - | -5.0 | - | +3.0 | V |
| Common-Mode Rejection Ratio | CMRR | -5.0 V ≤ VCM ≤ +3.0 V | 65 | - | 85 | dB |
| Supply Voltage | VCC | - | 3 | - | 10 | V |
| Supply Currents | I+ | VO = 0 V, RL = ∞ | 4.0 | 4.5 | 5.5 | mA |
| Ground Supply Current | IGND | VO = 0 V, RL = ∞ | 1.6 | 2.5 | 3.0 | mA |
Key Features
- Ultrafast 7 ns propagation delay
- Single supply operation: 3 V to 10 V
- Low power consumption
- Latch function for stable output
- Separate input and output sections
- Closely matched propagation delays for rising and falling signals
- High common-mode rejection ratio (CMRR): 65 dB to 85 dB
- Available in TSSOP and SOIC packages
Applications
- High-speed timing circuits
- Clock recovery and clock distribution
- Line receivers
- Digital communications
- Phase detectors
- High-speed sampling
- Read channel detection
- PCMCIA cards
- Upgrade for LT1016 designs
Q & A
- What is the propagation delay of the AD8561AR-REEL7? The propagation delay is approximately 7 ns.
- What is the operating voltage range for the AD8561AR-REEL7? The component operates on a single supply voltage ranging from 3 V to 10 V.
- What are the typical applications of the AD8561AR-REEL7? It is used in high-speed timing circuits, clock recovery, line receivers, digital communications, phase detectors, high-speed sampling, and read channel detection.
- What is the common-mode rejection ratio (CMRR) of the AD8561AR-REEL7? The CMRR is between 65 dB and 85 dB.
- Does the AD8561AR-REEL7 have a latch function? Yes, it includes a latch function for stable output.
- What are the available package types for the AD8561AR-REEL7? It is available in TSSOP and SOIC packages.
- What is the input bias current of the AD8561AR-REEL7? The input bias current is typically -3 μA.
- What is the offset voltage of the AD8561AR-REEL7? The offset voltage is typically 7 mV.
- Is the AD8561AR-REEL7 suitable for high-speed applications? Yes, it is designed for high-speed applications due to its ultrafast propagation delay.
- What is the temperature range for the AD8561AR-REEL7? The operating temperature range is -40°C to +85°C.
