Overview
The AD8015ARZ is a wideband, single-supply transimpedance amplifier designed by Analog Devices Inc. It is optimized for use in fiber optic receiver circuits, offering a complete, single-chip solution for converting photodiode current into a differential voltage output. This amplifier is notable for its high bandwidth, low noise, and wide dynamic range, making it suitable for various high-speed applications.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Bandwidth (3 dB) | 180 | 240 | - | MHz |
| Pulse Width Modulation | - | 500 | - | ps |
| Rise and Fall Time (10% to 90%) | - | 1.5 | - | ns |
| Settling Time (to 3%, 0.5 V Diff Output Step) | - | 3 | - | ns |
| Linear Input Current Range | - | - | ±350 | µA |
| Optical Sensitivity (155 Mbps, Avg Power) | - | - | –36 | dBm |
| Input Stray Capacitance (SOIC) | - | - | 0.4 | pF |
| Operating Temperature Range | –40 | - | +85 | °C |
| Supply Voltage | - | - | +5 | V |
| Supply Current | - | 25 | - | mA |
Key Features
- Low cost and wide bandwidth of 240 MHz
- Low noise with input current noise of 3.0 pA/√Hz @ 100 MHz
- Fast rise and fall times of 1.5 ns
- Differential outputs compatible with ECL and PECL power supplies
- Wide operating temperature range from –40°C to +85°C
- Low power consumption at 5 V @ 25 mA
- Stable operation with high capacitance detectors
Applications
- Fiber Optic Receivers: SONET/SDH, FDDI, Fibre Channel
- Low Noise Preamplifiers
- Single-Ended to Differential Conversion
- I-to-V Converters
- Systems requiring wide dynamic range preamplifiers
Q & A
- What is the primary application of the AD8015ARZ?
The AD8015ARZ is primarily used in fiber optic receiver circuits, such as SONET/SDH, FDDI, and Fibre Channel. - What is the bandwidth of the AD8015ARZ?
The bandwidth of the AD8015ARZ is typically 240 MHz. - What is the rise and fall time of the AD8015ARZ?
The rise and fall time of the AD8015ARZ is typically 1.5 ns. - What is the input current noise of the AD8015ARZ?
The input current noise of the AD8015ARZ is 3.0 pA/√Hz @ 100 MHz. - What is the operating temperature range of the AD8015ARZ?
The operating temperature range of the AD8015ARZ is from –40°C to +85°C. - What type of outputs does the AD8015ARZ provide?
The AD8015ARZ provides differential outputs compatible with ECL and PECL power supplies. - What is the supply voltage and current for the AD8015ARZ?
The supply voltage is +5 V, and the supply current is typically 25 mA. - Is the AD8015ARZ suitable for high capacitance detectors?
Yes, the AD8015ARZ is designed for stable operation with high capacitance detectors. - What are some other applications of the AD8015ARZ?
Besides fiber optic receivers, it can be used in low noise preamplifiers, single-ended to differential conversion, and I-to-V converters. - In what package is the AD8015ARZ available?
The AD8015ARZ is available in an 8-pin SOIC package or in die form.
