The PDA4-85A56G is a low dark current, low capacitance 1×4 GaAs PIN photodiode chip array designed for high-speed 56Gb/s PAM4 (28Gbd) optical data transmission. Ideal for telecom and data communication applications, it ensures reliable and efficient performance in multi-channel systems.
PDA4-85A56G
Description
The PDA4-85A56G is a non-hermetic 1×4 GaAs PIN photodiode array specifically designed for 56Gbps PAM4 (28Gbd) optical data transmission. Featuring a 250μm pitch for straightforward fiber array alignment, this high-performance photodiode offers high responsivity at 850nm, along with low dark current and low capacitance, making it ideal for high-speed fiber optic receivers.
PDA4-85A56G – Non-Hermetic 56Gbps PAM4 (28Gbd) GaAs PIN Photodiode Array
Features
- 1×4 array bar with 250um pitch
- High responsivity at 850nm
- Optimized for fiber optic application
- Low dark current and low capacitance
- Non-hermetic design
Applications
- High speed data communications
- Fiber channel
- Gigabit ethernet
Additional information
| Status | Active |
|---|---|
| Data Rate | 56Gb/s |
| Package | Bare Die |
| Number of Channels | 4 |
| Peak Sensitivity Wavelength | 850nm |
| Active Area | Dia. 40um |
| Responsivity | 0.63A/W @ 850nm |
| Size of Photodiode | 985um x 235um x 150um |
Documentation
Data Sheet
[PDF] PDA4-85A56G – Non-Hermetic 56Gbps PAM4 (28Gbd) GaAs PIN Photodiode Array Datasheet