Overview
The ADCMP553BRMZ is a high-speed comparator from Analog Devices Inc., fabricated on their proprietary XFCB process. This single-supply comparator is designed for high-speed applications, featuring a propagation delay of 500 ps and a low overdrive dispersion of 125 ps. It is part of the ADCMP551/ADCMP552/ADCMP553 family, known for their high performance and reliability in various high-speed signal processing tasks.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Propagation Delay | VOD = 1 V | - | 500 | - | ps |
| Overdrive Dispersion | 20 mV ≤ VOD ≤ 100 mV | - | 75 | - | ps |
| Output Rise Time | 10% to 90% | - | 440 | - | ps |
| Output Fall Time | 10% to 90% | - | 410 | - | ps |
| Input Supply Voltage | - | 3.135 | 3.3 | 5.25 | V |
| Output Supply Voltage | - | 3.135 | 3.3 | 5.25 | V |
| Input Supply Current | @ 3.3 V | 8 | 12 | 17 | mA |
| Output Supply Current | @ 3.3 V without load | 3 | 5 | 9 | mA |
| Output Supply Current | @ 3.3 V with load | 40 | 55 | 70 | mA |
| Equivalent Input Rise Time Bandwidth | 0 V to 1 V swing, 2 V/ns | - | 750 | - | MHz |
Key Features
- High-speed propagation delay of 500 ps with low overdrive dispersion of 125 ps.
- Differential PECL/LVPECL compatible outputs.
- Internal latch pull-up resistors and differential latch control.
- Programmable hysteresis (available on ADCMP552 model).
- Differential input stage with a common-mode range from −0.2 V to VCCI − 2.0 V.
- High power supply rejection greater than 70 dB.
- Minimum pulse width of 700 ps and 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.
- Clock drivers.
Q & A
- What is the propagation delay of the ADCMP553BRMZ?
The propagation delay of the ADCMP553BRMZ is 500 ps. - What is the overdrive dispersion of the ADCMP553BRMZ?
The overdrive dispersion is 125 ps. - What are the compatible output logic families for the ADCMP553BRMZ?
The outputs are fully compatible with PECL and 3.3 V LVPECL logic families. - Does the ADCMP553BRMZ have programmable hysteresis?
No, the ADCMP553BRMZ does not have programmable hysteresis; this feature is available on the ADCMP552 model. - What is the common-mode range of the differential input stage?
The common-mode range is from −0.2 V to VCCI − 2.0 V. - What is the minimum pulse width for the ADCMP553BRMZ?
The minimum pulse width is 700 ps. - What is the equivalent input rise time bandwidth of the ADCMP553BRMZ?
The equivalent input rise time bandwidth is greater than 750 MHz. - What are some typical applications of the ADCMP553BRMZ?
Typical applications include automatic test equipment, high-speed instrumentation, scope and logic analyzer front ends, and high-speed line receivers. - What is the power supply rejection of the ADCMP553BRMZ?
The power supply rejection is greater than 70 dB. - How should the power supply pins be decoupled?
A 10 nF ceramic capacitor should be placed as close to the power supply pins as possible to ground.
