This document describes the features and characteristics of a photo diode integrated circuit, including full CMOS seven channels, integrated high-speed photodiodes, and current-to-voltage transimpedance amplifiers. The product is optimized for DVD/CD applications with red laser diodes and CD applications with IR laser diodes. It has high PD sensitivity.
The KOD-1082 is a full‑CMOS seven‑channel photodiode IC that integrates high‑speed photodiodes with transimpedance amplifiers. It offers four high‑speed data channels (55 MHz typical for 650 nm, 35 MHz for 780 nm) and two low‑speed tracking channels, optimized for DVD/CD applications with red and IR laser diodes.
Key specifications include a power‑supply range of 4.5‑5.5 V, maximum output voltage of 3.9 V, and operating temperature from –20 °C to +75 °C. The device’s absolute maximum ratings, electro‑optical characteristics, and recommended pin configurations are detailed for designers.
| Power Supply Voltage (Voc) | 4.5~5.5 V |
|---|---|
| Output Voltage (Vo) | Veco +0.5 V |
| Soldering Temperature (Tso1) | 260 °C |
| Storage Temperature (Tstg) | -30 °C ~ +85 °C |
| Output Offset Voltage (Votr) | +15 mV |
| Output Offset Voltage Difference (AVort) | +25 mV |
| Sensitivity (650 nm) | MIN 25.6 mV |
| Sensitivity (780 nm) | MIN 32.0 mV |
| Cutoff Frequency (650 nm) | TYP 55 MHz |
| Cutoff Frequency (780 nm) | TYP 35 MHz |
| Maximum Output Voltage (Vomax) | MIN 3.9 V |
| Output Noise Level (Va) | TYP -81 dBm |
| Operating Temperature Range | -20 °C ~ +75 °C |
The device operates with a supply voltage between 4.5 V and 5.5 V.
Four high‑speed data channels run at about 55 MHz for 650 nm lasers and 35 MHz for 780 nm lasers.
The maximum output voltage is specified as a minimum of 3.9 V.
It can operate from –20 °C up to +75 °C.