Overview
The AD8015AR-REEL7 is a wideband, single-supply transimpedance amplifier designed and manufactured by Analog Devices Inc. This component is optimized for use in fiber optic receiver circuits, providing a complete, single-chip solution for converting photodiode current into a differential voltage output. The AD8015 is notable for its high bandwidth of 240 MHz, making it suitable for applications such as FDDI receivers and SONET/SDH receivers with data rates up to 155 Mbps and beyond.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Bandwidth (3 dB) | 180 | 240 | MHz | ||
| Pulse Width Modulation | 10 µA to 200 µA Peak | 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 | ±25 | ±30 | µA | ||
| Max Input Current Range Saturation | ±200 | ±350 | µA | ||
| Optical Sensitivity (155 Mbps, Avg Power) | –36 dBm | ||||
| Input Stray Capacitance (Die) | 0.2 pF | ||||
| Input Stray Capacitance (SOIC) | 0.4 pF |
Key Features
- High bandwidth of 240 MHz, supporting data rates up to 155 Mbps and beyond.
- Differential outputs compatible with ECL and PECL power supplies.
- Low power consumption: 5 V @ 25 mA.
- Wide operating temperature range: –40°C to +85°C.
- Proprietary ESD protection circuitry.
- Available in die form or 8-pin SOIC package.
- Low noise and high dynamic range, making it ideal for fiber optic receivers and other high-sensitivity applications.
Applications
- Fiber Optic Receivers: SONET/SDH, FDDI, Fibre Channel.
- Stable operation with high capacitance detectors.
- Low noise preamplifiers.
- Single-ended to differential conversion.
- I-to-V converters.
Q & A
- What is the primary function of the AD8015AR-REEL7?
The AD8015AR-REEL7 is a transimpedance amplifier designed to convert photodiode current into a differential voltage output, particularly in fiber optic receiver circuits.
- What is the bandwidth of the AD8015AR-REEL7?
The bandwidth of the AD8015AR-REEL7 is 240 MHz.
- What are the typical power supply requirements for the AD8015AR-REEL7?
The AD8015AR-REEL7 can operate with a single supply of 5 V and consumes 25 mA of current.
- What is the operating temperature range of the AD8015AR-REEL7?
The operating temperature range is –40°C to +85°C.
- What types of outputs does the AD8015AR-REEL7 provide?
The AD8015AR-REEL7 provides differential outputs that are compatible with ECL and PECL power supplies.
- What are some common applications of the AD8015AR-REEL7?
Common applications include fiber optic receivers (SONET/SDH, FDDI, Fibre Channel), low noise preamplifiers, single-ended to differential conversion, and I-to-V converters.
- Does the AD8015AR-REEL7 have built-in ESD protection?
Yes, the AD8015AR-REEL7 features proprietary ESD protection circuitry.
- In what package types is the AD8015AR-REEL7 available?
The AD8015AR-REEL7 is available in die form or an 8-pin SOIC package.
- What is the typical settling time of the AD8015AR-REEL7?
The settling time to 3% for a 0.5 V differential output step is 3 ns.
- How does the AD8015AR-REEL7 handle high capacitance detectors?
The AD8015AR-REEL7 is designed for stable operation with high capacitance detectors.
- Can the AD8015AR-REEL7 be used in other than fiber optic applications?
Yes, it is also suitable for systems requiring a wide dynamic range preamplifier or single-ended to differential conversion.
