Overview
The AD800-52BRRL is a clock and data recovery integrated circuit (IC) produced by Analog Devices Inc. This device is part of the AD800 series, which employs a second-order phase-locked loop architecture to perform clock recovery and data re-timing on Non-Return to Zero (NRZ) data. It is specifically designed to support standard telecommunications bit rates, particularly the 52 Mbps STS-1 rate.
The AD800-52BRRL operates without the need for a preamble or an external Voltage-Controlled Crystal Oscillator (VCXO) to lock onto input data, making it highly efficient in various telecommunications applications. It can acquire frequency and phase lock using two control loops, ensuring robust performance in data recovery.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Nominal Center Frequency | 51.84 | MHz | |||
| Operating Temperature Range | -40 | 85 | °C | ||
| Tracking Range | 49 | 53 | Mbps | ||
| Capture Range | 49 | 53 | Mbps | ||
| Static Phase Error | ρ = 1, TA = +25°C, VEE = –5.2 V | 2 | 10 | Degrees | |
| Recovered Clock Skew (tRCS) | 0.2 | 0.6 | 1 | ns | |
| Setup Time (tSU) | 2.06 | 2.37 | ns | ||
| Output Jitter (ρ = 1) | 27–1 PRN Sequence | 2.5 | 4.7 | Degrees rms | |
| Supply Voltage | -4.5 | -5.5 | V | ||
| Package | 20-SOIC |
Key Features
- No requirement for a preamble or an external VCXO to lock onto input data.
- Second-order phase-locked loop architecture for robust clock recovery and data re-timing.
- Supports data rates between 20 Mbps and 160 Mbps, specifically 52 Mbps STS-1.
- Virtually no pattern jitter due to the patented phase detector.
- Total loop jitter of 20° peak-to-peak.
- Mask programmable fractional loop bandwidth.
- Single +5 V or -5.2 V supply operation.
- Lead-free and RoHS compliant.
Applications
- Telecommunications systems, particularly those requiring clock recovery at standard bit rates such as DS-3 and STS-1.
- Fiber optic data transmission systems.
- High-speed data communication networks.
- Systems requiring robust and accurate clock recovery from NRZ data streams.
Q & A
- What is the primary function of the AD800-52BRRL?
The primary function of the AD800-52BRRL is to perform clock recovery and data re-timing on Non-Return to Zero (NRZ) data streams.
- What data rates does the AD800-52BRRL support?
The AD800-52BRRL supports data rates between 20 Mbps and 160 Mbps, specifically the 52 Mbps STS-1 rate.
- Does the AD800-52BRRL require an external VCXO or preamble to lock onto input data?
No, the AD800-52BRRL does not require an external VCXO or preamble to lock onto input data.
- What is the nominal loop bandwidth of the AD800-52BRRL?
The nominal loop bandwidth of the AD800-52BRRL is 0.1% of the center frequency for data rates less than 90 Mbps.
- What is the total loop jitter of the AD800-52BRRL?
The total loop jitter of the AD800-52BRRL is 20° peak-to-peak.
- What supply voltage does the AD800-52BRRL operate on?
The AD800-52BRRL operates on a single +5 V or -5.2 V supply.
- Is the AD800-52BRRL lead-free and RoHS compliant?
- What is the package type of the AD800-52BRRL?
The AD800-52BRRL comes in a 20-SOIC package.
- What are the typical operating temperature ranges for the AD800-52BRRL?
The typical operating temperature range for the AD800-52BRRL is -40°C to 85°C.
- What are some common applications of the AD800-52BRRL?
The AD800-52BRRL is commonly used in telecommunications systems, fiber optic data transmission systems, and high-speed data communication networks.
