Overview
The AD8561ARZ-REEL is a high-speed linear comparator produced by Analog Devices Inc. This ultrafast comparator features a propagation delay of just 7 ns, making it an excellent choice for time-critical applications. The AD8561 is designed with separate input and output sections, allowing the input stage to operate from either single or dual voltage supplies ranging from 3 V to 10 V and ±1.5 V to ±5 V, respectively. This flexibility in supply voltage options makes it versatile for various circuit environments.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Propagation Delay | t_P | 5 V, 100 mV Step with 5 mV Overdrive | - | 7 | 9.8 | ns |
| Offset Voltage | V_OS | -40°C ≤ TA ≤ +85°C | 2.3 | - | 7 | mV |
| Input Bias Current | I_B | V_CM = 0 V, -40°C ≤ TA ≤ +85°C | -6 | -3 | -3.5 | μA |
| Input Common-Mode Voltage Range | V_CM | - | 0.0 | - | +3.0 | V |
| Common-Mode Rejection Ratio | CMRR | 0 V ≤ V_CM ≤ +3.0 V | 65 | - | 85 | dB |
| Power Supply Rejection Ratio | PSRR | +4.5 V ≤ V+ ≤ +5.5 V | 50 | - | 65 | dB |
| Positive Supply Current | I+ | -40°C ≤ TA ≤ +85°C | 4.5 | 6.0 | 7.5 | mA |
| Operating Temperature | TA | - | -40 | - | +85 | °C |
Key Features
- Ultrafast 7 ns propagation delay, suitable for high-speed timing circuits and line receivers.
- Single supply operation from 3 V to 10 V and dual supply operation from ±1.5 V to ±5 V.
- Low power consumption with supply currents as low as 4.5 mA for the positive supply and 2.3 mA for the negative supply.
- High common-mode rejection ratio (CMRR) of up to 85 dB and power supply rejection ratio (PSRR) of up to 65 dB, enhancing performance in noisy environments.
- Output compatible with CMOS, Complementary, and TTL logic levels.
- Available in 8-lead plastic DIP, 8-lead TSSOP, and 8-lead narrow SOIC surface-mount packages.
- Low input bias and offset current, minimizing errors in signal processing.
Applications
- High-speed timing circuits and clock recovery.
- Line receivers and digital communications.
- Phase detectors and high-speed sampling).
- Read channel detection and PCMCIA cards).
- Telecommunications and data acquisition systems).
- High-speed signal processing).
Q & A
- What is the propagation delay of the AD8561ARZ-REEL?
The propagation delay of the AD8561ARZ-REEL is typically 7 ns, with a maximum of 9.8 ns.
- What are the supply voltage options for the AD8561ARZ-REEL?
The AD8561ARZ-REEL can operate from single supplies ranging from 3 V to 10 V and dual supplies ranging from ±1.5 V to ±5 V.
- What is the common-mode rejection ratio (CMRR) of the AD8561ARZ-REEL?
The CMRR of the AD8561ARZ-REEL is up to 85 dB).
- What are the package options available for the AD8561ARZ-REEL?
The AD8561ARZ-REEL is available in 8-lead plastic DIP, 8-lead TSSOP, and 8-lead narrow SOIC surface-mount packages).
- What is the operating temperature range of the AD8561ARZ-REEL?
The operating temperature range of the AD8561ARZ-REEL is from -40°C to +85°C).
- Is the AD8561ARZ-REEL compatible with different logic levels?
Yes, the AD8561ARZ-REEL is compatible with CMOS, Complementary, and TTL logic levels).
- What are some typical applications of the AD8561ARZ-REEL?
Typical applications include high-speed timing circuits, line receivers, digital communications, phase detectors, and high-speed sampling).
- How does the AD8561ARZ-REEL compare to the LT1016?
The AD8561ARZ-REEL has the same pinout as the LT1016 but offers lower supply current and a wider common-mode input range).
- What is the input bias current of the AD8561ARZ-REEL?
The input bias current of the AD8561ARZ-REEL is typically -3 μA, with a maximum of -3.5 μA).
- Is the AD8561ARZ-REEL currently in production?
Yes, the AD8561ARZ-REEL is currently in active production and not indicated as nearing discontinuation).
