Overview
The ADL5303ACPZ-R7 is a monolithic logarithmic detector produced by Analog Devices Inc. This component is optimized for the measurement of low-frequency signal power in fiber optic systems, offering a large dynamic range and high accuracy. It operates on a single positive supply voltage and is designed for versatility and ease of use.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADL5303ACPZ-R7 |
| Package | 16-Lead LFCSP (3mm x 3mm w/ EP) |
| Supply Voltage | 3.0 V to 5.5 V |
| Operating Temperature | -40°C to +85°C |
| Quiescent Current | ~4.5 mA (enabled) |
| Dynamic Range | 160 dB, 100 pA to 10 mA |
| Logarithmic Slope | 10 mV/dB (at the VLOG pin) |
| Output Bandwidth | 10 MHz, 15 V/μs slew rate |
| Power Dissipation | 600 mW |
Key Features
- Optimized for fiber optic photodiode interfacing with a wide dynamic range of 160 dB (100 pA to 10 mA).
- Single-supply operation from 3.0 V to 5.5 V.
- High accuracy with law conformance of 0.1 dB from 1 nA to 1 mA.
- Accurate laser-trimmed scaling and logarithmic slope of 10 mV/dB.
- Basic logarithmic intercept at 100 pA with easy adjustment of slope and intercept.
- Low power consumption with ~4.5 mA quiescent current (enabled).
- Miniature 16-lead LFCSP package.
- Output bandwidth of 10 MHz and a slew rate of 15 V/μs.
- On-board 2 V reference for repositioning the intercept.
Applications
- High accuracy optical power measurement in fiber optic systems.
- Wide range baseband log compression.
- Versatile detector for Automatic Power Control (APC) loops.
Q & A
- What is the primary function of the ADL5303ACPZ-R7?
The ADL5303ACPZ-R7 is a monolithic logarithmic detector optimized for measuring low-frequency signal power in fiber optic systems.
- What is the dynamic range of the ADL5303ACPZ-R7?
The dynamic range is 160 dB, spanning from 100 pA to 10 mA.
- What is the supply voltage range for the ADL5303ACPZ-R7?
The component operates on a single positive supply voltage from 3.0 V to 5.5 V.
- What is the logarithmic slope of the ADL5303ACPZ-R7?
The logarithmic slope is 10 mV/dB at the VLOG pin.
- What is the output bandwidth of the ADL5303ACPZ-R7?
The output bandwidth is 10 MHz with a slew rate of 15 V/μs.
- How much quiescent current does the ADL5303ACPZ-R7 consume?
The quiescent current is approximately 4.5 mA when enabled.
- What package type does the ADL5303ACPZ-R7 use?
The component is packaged in a 16-lead LFCSP (3mm x 3mm w/ EP).
- What are some common applications of the ADL5303ACPZ-R7?
Common applications include high accuracy optical power measurement, wide range baseband log compression, and versatile detection for APC loops.
- How does the ADL5303ACPZ-R7 handle low light input levels?
The component features an adaptive biasing scheme to reduce photodiode dark current at very low light input levels.
- Can the logarithmic slope of the ADL5303ACPZ-R7 be adjusted?
