Overview
The ADCMP562BRQZ-RL7 is a dual high-speed comparator fabricated on Analog Devices, Inc.'s proprietary XFCB process. This component is part of the ADCMP561/ADCMP562 series, known for their high-speed performance and robust features. The ADCMP562BRQZ-RL7 is packaged in a 20-lead QSOP (Quarter Size Outline Package) and is specified over the industrial temperature range of −40°C to +85°C. It is designed to provide consistent propagation delay with a wide variety of signals, making it suitable for various high-speed applications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Voltage Range | - | - | -2.0 | - | 3.0 | V |
| Input Differential Voltage | - | - | -5 | - | 5 | V |
| Input Offset Voltage (VOS) | VOS | VCM = 0 V | -10.0 | ±2.0 | 10.0 | mV |
| Propagation Delay | tPD | - | - | 700 | ps | |
| Propagation Delay Dispersion | - | - | - | - | 75 | ps |
| Input Bias Current | IIN | -IN = -2 V, +IN = +3 V | -10.0 | ±3 | 10.0 | µA |
| Output Voltage—High Level (VOH) | VOH | PECL 50 Ω to VDD - 2 V | - | - | VDD - 1.15 | V |
| Max Operating Temperature | - | - | -40 | - | 85 | °C |
Key Features
- Differential input stage with a common-mode range from −2.0 V to +3.0 V.
- 700 ps propagation delay with less than 75 ps overdrive dispersion.
- Differential PECL-compatible outputs.
- Programmable hysteresis pin available on the ADCMP562.
- Internal latch pull-up resistors for tracking, track-and-hold, or sample-and-hold modes of operation.
- Robust input protection and high power supply rejection (greater than 85 dB).
- Outputs are fully compatible with PECL 10 K and 10 KH logic families.
Applications
The ADCMP562BRQZ-RL7 is suitable for a variety of high-speed applications, including:
- High-speed data acquisition systems.
- Telecommunication systems requiring fast signal comparison.
- Medical devices needing precise and fast signal processing.
- Aerospace and defense applications where high reliability and speed are critical.
- Industrial control systems that require rapid signal comparison and processing.
Q & A
- What is the propagation delay of the ADCMP562BRQZ-RL7?
The propagation delay is 700 ps with less than 75 ps overdrive dispersion.
- What is the common-mode range of the input stage?
The common-mode range is from −2.0 V to +3.0 V.
- What type of outputs does the ADCMP562BRQZ-RL7 provide?
The outputs are differential PECL-compatible digital signals.
- Is the ADCMP562BRQZ-RL7 suitable for high-temperature environments?
Yes, it is specified over the industrial temperature range of −40°C to +85°C.
- What is the purpose of the programmable hysteresis pin on the ADCMP562?
The programmable hysteresis pin allows for adjustable hysteresis to prevent oscillations and improve stability.
- How does the latch input function on the ADCMP562BRQZ-RL7?
The latch input permits tracking, track-and-hold, or sample-and-hold modes of operation, with internal pull-up resistors setting the latch in tracking mode when left open.
- What is the maximum input bias current for the ADCMP562BRQZ-RL7?
The maximum input bias current is ±10.0 µA.
- What is the output voltage high level for PECL logic?
The output voltage high level is VDD - 1.15 V.
- Is the ADCMP562BRQZ-RL7 compatible with PECL logic families?
Yes, the outputs are fully compatible with PECL 10 K and 10 KH logic families.
- What is the typical input offset voltage of the ADCMP562BRQZ-RL7?
The typical input offset voltage is ±2.0 mV.
