Overview
The ADCMP552BRQZ, produced by Analog Devices Inc., is a high-speed comparator designed for various high-performance applications. Fabricated on Analog Devices' proprietary XFCB process, this device is part of the ADCMP551/ADCMP552/ADCMP553 family. It features a single-supply operation and is known for its low propagation delay and minimal overdrive dispersion, making it suitable for high-speed signal processing.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Propagation Delay | 500 ps (VOD = 1 V), 625 ps (VOD = 20 mV) | ps |
| Overdrive Dispersion | < 125 ps | ps |
| Input Supply Voltage (VCCI) | 3.135 to 5.25 | V |
| Output Supply Voltage (VCCO) | 3.135 to 5.25 | V |
| Input Common-Mode Voltage Range | −0.2 V to VCCI − 2.0 V | V |
| Differential Input Voltage Range | −4.0 V to +4.0 V | V |
| Output Rise/Fall Time | 510 ps / 490 ps (10% to 90%) | ps |
| Equivalent Input Rise Time Bandwidth | > 750 MHz | MHz |
| Minimum Pulse Width | 700 ps | ps |
| Power Supply Rejection | > 70 dB | dB |
Key Features
- High-Speed Operation: The ADCMP552BRQZ features a propagation delay of 500 ps and an overdrive dispersion of less than 125 ps, making it ideal for high-speed applications.
- Differential PECL/LVPECL Compatible Outputs: The outputs are fully compatible with PECL and 3.3 V LVPECL logic families, providing sufficient drive current to directly drive transmission lines.
- Programmable Hysteresis: A separate programmable hysteresis pin is available, allowing for adjustable hysteresis levels.
- Latch Control: Includes a latch input for tracking, track-and-hold, or sample-and-hold modes of operation.
- High Power Supply Rejection: Greater than 70 dB power supply rejection ensures robust performance against supply voltage variations.
Applications
- Automatic Test Equipment: Suitable for high-speed test and measurement applications.
- High Speed Instrumentation: Ideal for scope and logic analyzer front ends, window comparators, and high-speed line receivers.
- Threshold Detection and Peak Detection: Used in applications requiring precise threshold and peak detection.
- Patient Diagnostics and Disk Drive Read Channel Detection: Applied in medical diagnostics and data storage systems.
- Hand-Held Test Instruments and Zero Crossing Detectors: Utilized in portable test equipment and signal processing applications.
Q & A
- What is the propagation delay of the ADCMP552BRQZ?
The propagation delay is 500 ps for a 1 V overdrive and 625 ps for a 20 mV overdrive.
- What is the overdrive dispersion of the ADCMP552BRQZ?
The overdrive dispersion is less than 125 ps.
- What are the compatible output logic families for the ADCMP552BRQZ?
The outputs are compatible with PECL and 3.3 V LVPECL logic families.
- Does the ADCMP552BRQZ have programmable hysteresis?
- What is the minimum pulse width for the ADCMP552BRQZ?
The minimum pulse width is 700 ps.
- What is the power supply rejection of the ADCMP552BRQZ?
The power supply rejection is greater than 70 dB.
- What are some common applications of the ADCMP552BRQZ?
Common applications include automatic test equipment, high-speed instrumentation, patient diagnostics, and disk drive read channel detection.
- What is the input common-mode voltage range for the ADCMP552BRQZ?
The input common-mode voltage range is from −0.2 V to VCCI − 2.0 V.
- What is the equivalent input rise time bandwidth of the ADCMP552BRQZ?
The equivalent input rise time bandwidth is greater than 750 MHz.
- What is the typical output rise/fall time of the ADCMP552BRQZ?
The typical output rise/fall time is 510 ps / 490 ps (10% to 90%).
