Overview
The HMC720LP3E is a high-speed 1:2 Fanout Buffer designed by Analog Devices Inc. to support data transmission rates up to 14 Gbps and clock frequencies as high as 14 GHz. This component is ideal for applications requiring fast rise and fall times, low propagation delay, and programmable output voltage swing. The HMC720LP3E operates from a single -3.3 V supply and is packaged in a ROHS-compliant 3x3 mm SMT package.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Power Supply Voltage | -3.6 | -3.3 | -3.0 | V |
| Power Supply Current | 90 | mA | ||
| Maximum Data Rate | 14 | Gbps | ||
| Maximum Clock Rate | 14 | GHz | ||
| Propagation Delay | 120 | ps | ||
| Fast Rise and Fall Times | 19 / 18 | ps | ||
| Programmable Differential Output Voltage Swing | 600 | 1100 | mVp-p | |
| Power Dissipation | 300 | mW | ||
| Input Voltage Range | -1.5 | 0.5 | V | |
| Input Differential Range | 0.1 | 2.0 | Vp-p | |
| Input Return Loss Frequency (<13 GHz) | 10 | dB |
Key Features
- Differential inputs are CML and terminated on-chip with 50 Ohms to the positive supply, GND, and may be DC or AC coupled.
- Outputs can be connected directly to a 50 Ohm ground-terminated system or drive devices with CML logic input.
- Programmable differential output voltage swing: 600 - 1100 mVp-p.
- Fast rise and fall times: 19 / 18 ps.
- Propagation delay: 120 ps.
- Single -3.3 V supply.
- ROHS-compliant 3x3 mm SMT package.
- Output level control pin (VR) for loss compensation or signal level optimization.
Applications
- 16 G Fiber Channel.
- RF ATE Applications.
- Broadband Test & Measurement.
- Serial Data Transmission up to 14 Gbps.
- Clock Buffering up to 14 GHz.
Q & A
- What is the maximum data rate supported by the HMC720LP3E?
The HMC720LP3E supports data transmission rates up to 14 Gbps.
- What is the maximum clock frequency supported by the HMC720LP3E?
The HMC720LP3E supports clock frequencies as high as 14 GHz.
- What is the propagation delay of the HMC720LP3E?
The propagation delay is 120 ps.
- What is the rise and fall time of the HMC720LP3E?
The rise and fall times are 19 / 18 ps respectively.
- How is the output voltage swing of the HMC720LP3E controlled?
The output voltage swing is programmable between 600 - 1100 mVp-p using the VR pin.
- What is the power supply voltage for the HMC720LP3E?
The HMC720LP3E operates from a single -3.3 V supply.
- What is the package type of the HMC720LP3E?
The HMC720LP3E is available in a ROHS-compliant 3x3 mm SMT package.
- What are some typical applications of the HMC720LP3E?
Typical applications include 16 G Fiber Channel, RF ATE Applications, Broadband Test & Measurement, Serial Data Transmission up to 14 Gbps, and Clock Buffering up to 14 GHz.
- How are the differential inputs of the HMC720LP3E terminated?
The differential inputs are CML and terminated on-chip with 50 Ohms to the positive supply, GND.
- Can the outputs of the HMC720LP3E be connected directly to a 50 Ohm system?
Yes, the outputs can be connected directly to a 50 Ohm ground-terminated system or drive devices with CML logic input.
