Overview
The AD807A-155BRZ is a high-performance integrated circuit designed by Analog Devices Inc. specifically for high-speed optical network applications. This device is optimized for SDH Sonet protocols and is part of the AD807 series, which provides receiver functions such as data quantization, signal level detection, clock recovery, and data retiming for 155 Mbps NRZ data. It is particularly suited for use in SONET OC-3 or SDH STM-1 fiber optic receivers when combined with a PIN diode and preamplifier.
Key Specifications
| Parameter | Value |
|---|---|
| Type | Receiver |
| Protocol | SDH Sonet |
| Number of Drivers/Receivers | 0/1 |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 16-SOIC |
| Power Consumption | 140 mW |
| Jitter | 2.0 degrees rms |
Key Features
- Single Receiver Configuration: Designed to handle high-speed optical network data.
- Optimized for SDH Sonet Protocols: Ensures reliable data communication in SONET OC-3 or SDH STM-1 environments.
- Wide Temperature Range: Operates reliably from -40°C to 85°C, making it suitable for harsh environments.
- Compact 16-SOIC Package: Ideal for space-constrained applications.
- Signal Level Detect Circuit: Indicates when the input signal level falls below a user-adjustable threshold, with 3 dB optical hysteresis to prevent chatter.
- PLL with Factory Trimmed VCO: Guarantees frequency acquisition without false lock, eliminating the need for external components like crystals or SAW filters.
- Low Jitter Performance: Achieves 2.0 degrees rms jitter using a fully differential signal architecture and patented low noise design techniques.
- Power Supply Rejection Ratio Circuitry: Provides immunity from extraneous signals and power supply noise.
Applications
- Telecommunications Equipment: Used in high-speed optical network infrastructure.
- Optical Network Infrastructure: Suitable for SONET OC-3 or SDH STM-1 fiber optic receivers.
- Industrial Communication Systems: Reliable operation in industrial temperature ranges makes it ideal for various industrial applications.
Q & A
- What is the primary application of the AD807A-155BRZ?
The AD807A-155BRZ is primarily used in high-speed optical network applications, particularly in SONET OC-3 or SDH STM-1 fiber optic receivers.
- What protocols is the AD807A-155BRZ optimized for?
The device is optimized for SDH Sonet protocols.
- What is the operating temperature range of the AD807A-155BRZ?
The device operates reliably from -40°C to 85°C.
- What is the power consumption of the AD807A-155BRZ?
The device consumes 140 mW of power.
- How does the AD807A-155BRZ handle jitter?
The device achieves 2.0 degrees rms jitter using a fully differential signal architecture and patented low noise design techniques.
- What is the purpose of the signal level detect circuit in the AD807A-155BRZ?
The signal level detect circuit indicates when the input signal level has fallen below a user-adjustable threshold, with 3 dB optical hysteresis to prevent chatter.
- Does the AD807A-155BRZ require external components for frequency acquisition?
No, the device uses a factory trimmed VCO and frequency acquisition control loop to guarantee frequency acquisition without false lock, eliminating the need for external components like crystals or SAW filters.
- What package type is the AD807A-155BRZ available in?
The device is available in a compact 16-SOIC package.
- Is the AD807A-155BRZ suitable for industrial applications?
Yes, it is suitable due to its reliable operation within industrial temperature ranges.
- What is the current production status of the AD807A-155BRZ?
The AD807A-155BRZ is currently in production.
- How does the AD807A-155BRZ handle power supply noise?
The device can withstand hundreds of millivolts of power supply noise without affecting its jitter performance.
