Overview
The ADCMP551BRQZ-REEL7 is a high-speed comparator integrated circuit produced by Analog Devices Inc. It is part of the ADCMP551/ADCMP552/ADCMP553 family, which are single-supply, high-speed comparators fabricated on Analog Devices' proprietary XFCB process. These devices are designed for high-performance applications requiring fast propagation delays and low overdrive dispersion.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Propagation Delay | tPD | VOD = 1 V | - | 500 | - | ps |
| Overdrive Dispersion | - | 20 mV ≤ VOD ≤ 100 mV | - | 75 | - | ps |
| Output Rise Time | tR | 10% to 90% | - | 510 | - | ps |
| Output Fall Time | tF | 10% to 90% | - | 490 | - | ps |
| Input Supply Voltage | VCCI | - | 3.135 | 3.3 | 5.25 | V |
| Output Supply Voltage | VCCO | - | 3.135 | 3.3 | 5.25 | V |
| Input Supply Current | IVCCI | @ 3.3 V | 8 | 12 | 17 | mA |
| Output Supply Current | IVCCO | @ 3.3 V without load | 3 | 5 | 9 | mA |
Key Features
- High-speed propagation delay of 500 ps
- Low overdrive dispersion of 75 ps
- Differential PECL/LVPECL compatible outputs
- Internal latch pull-up resistors and differential latch control
- Programmable hysteresis
- High power supply rejection ratio (PSRR) greater than 70 dB
- Minimum pulse width of 700 ps
- Equivalent input rise time bandwidth greater than 750 MHz
Applications
- Automatic test equipment
- High-speed instrumentation
- Scope and logic analyzer front ends
- Window comparators
- High-speed line receivers
- Threshold detection and peak detection
- High-speed triggers
- Patient diagnostics
- Disk drive read channel detection
- Hand-held test instruments
- Zero crossing detectors and signal restoration
- Clock drivers
Q & A
- What is the typical propagation delay of the ADCMP551BRQZ-REEL7?
The typical propagation delay is 500 ps.
- What is the overdrive dispersion of the ADCMP551BRQZ-REEL7?
The overdrive dispersion is 75 ps for 20 mV ≤ VOD ≤ 100 mV.
- What are the compatible output types for the ADCMP551BRQZ-REEL7?
The outputs are differential PECL/LVPECL compatible.
- What is the minimum pulse width for the ADCMP551BRQZ-REEL7?
The minimum pulse width is 700 ps.
- What is the equivalent input rise time bandwidth of the ADCMP551BRQZ-REEL7?
The equivalent input rise time bandwidth is greater than 750 MHz.
- What are some common applications of the ADCMP551BRQZ-REEL7?
Common applications include automatic test equipment, high-speed instrumentation, scope and logic analyzer front ends, and more.
- What is the input supply voltage range for the ADCMP551BRQZ-REEL7?
The input supply voltage range is from 3.135 V to 5.25 V.
- What is the output supply current without load at 3.3 V for the ADCMP551BRQZ-REEL7?
The output supply current without load at 3.3 V is between 3 mA and 9 mA.
- Does the ADCMP551BRQZ-REEL7 have internal latch pull-up resistors?
Yes, it has internal latch pull-up resistors.
- What is the power supply rejection ratio (PSRR) of the ADCMP551BRQZ-REEL7?
The PSRR is greater than 70 dB.
