Log/Limiting Amplifiers
ADI’s high gain limiting amp ICs are optimized for SFP/SFF/GBIC datacom and telecom optical transceiver modules and provide the receiver functions of quantization and Loss of Signal Detection as well as SFF-8472 compliant average power measurement. Applications include 1x2x4x Fibre Channel, 10GBASE-LX4, multi-rate SONET/SDH OC3 to OC48 FEC and GbE. ADI’s high gain limiting amps feature: low power; excellent sensitivity and jitter performance.
Engineered. Tested. Ready to Integrate.
PRODUCT SELECTION TABLES
Fiber Optic Log/Limiting Amplifiers
| Part# | DNR (dB) | SDOUT Response Time (µs) | V Span Min | V Span Max | Supply Current | Package |
|---|---|---|---|---|---|---|
| ADL5303 | 160dB | 1ns | 3V | 5.5V | 4.5mA | 3x3 mm LFCSP |
| ADL5304 | 200dB | 500ns | 4.5V | 10.5V | 20.8mA | 5x5 mm LFCSP |
| ADL5310Reference Circuit Available | 120dB | 1µs | 3V | 10V | 9.5mA | 4x4 mm LFCSP |
| ADL5306Reference Circuit Available | 60dB | 1µs | 3V | 10V | 5.4mA | 3x3 mm LFCSP |
| AD8305Reference Circuit Available | 100dB | 1µs | 3V | 10V | 5.4mA | 3x3 mm LFCSP |
| AD8304Reference Circuit Available | 160dB | 500ns | 3V | 10V | 4.5mA | 14-Lead TSSOP |
Fiber Optic Limiting Amplifiers
| Part# | Voltage Supply (V) | Max Data Rate | Input Sensitivity (mVp-p) | Output Levels (mVpp diff) | Jitter (rms) | Power Dissipation | LOS | BW Select | RSSI | Squelch | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ADN2891 | 3.3V | 3.2Gbps | 4mV p-p | 700mV p-p | 4s rms | 145mW | 3.5mV to 35mV | - | X | X | 3x3 mm LFCSP |
| ADN2892 | 3.3V | 4.25Gbps | 3mV p-p | 700mV p-p | 5ps rms | 160mW | 3mV to 45mV | X | X | - | 3x3 mm LFCSP |
| ADN2890 | 3.3V | 3.2Gbps | 3mV p-p | 700mV p-p | 2.4s rms | 130mW | 3mV to 12mV | - | X | X | 3x3 mm LFCSP |
Current Mirrors
| Part# | Supply Current | DNR (dB) | Nonlinearity (%) | Input/Output Mirror Ratio | Voltage Range (V) | Package |
|---|---|---|---|---|---|---|
| ADL5315Reference Circuit Available | 1.8mA | 120dB | 0.5% | 1:1 | 2.7-8 | 2x3 mm LFCSP |
| ADL5317Reference Circuit Available | 2.3mA | 120dB | 1% | 5:1 | 6-75 | 3x3 mm LFCSP |
NEW PRODUCTS
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ADL5303- 160 dB Range 100 pA to 10 mA Low Cost Logarithmic Converter
The ADL5303 is a monolithic logarithmic detector optimized for the measurement of low frequency signal power in fiber optic systems and offers a large dynamic range in a versatile and easily used form. Wide measurement range and accuracy are achieved using proprietary design and precise laser trimming. The ADL5303 requires only a single positive supply, VPS, of 5 V. When using low More
Data Sheet Rev 0, 01/2013 (pdf 461kB)
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