Modulation and bias headroom
The 85 mA modulation current sets the extinction ratio of the optical output. The 100 mA bias current handles the threshold current variation over temperature. The 47 mA supply current is the driver's own consumption.
MAX3738ETG+ Laser Diode Driver, 4.25Gbps, 24-TQFN
MPNMAX3738ETG+
End of Life
Maxim MAX3738ETG+, Laser Diode Driver (Fiber Optic), 4.25Gbps, 85mA modulation, 100mA bias, 2.97V–3.63V supply, -40°C to 85°C, 24-TQFN (4x4) exposed pad.
$3.74Ref. price · indicative, final on quote
Packaging24-WFQFN Exposed Pad
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Laser Diode Driver (Fiber Optic) |
| Mounting | Surface Mount |
| Supply voltage | 2.97V ~ 3.63V |
| Current - bias | 100 mA |
| Current - supply | 47 mA |
| Current - modulation | 85mA |
| Operating temperature | -40°C ~ 85°C |
| Package | Tube |
| Data rate | 4.25Gbps |
| Case | 24-WFQFN Exposed Pad |
| Channels | 1 |
Product details
Frequently asked questions
What is the maximum data rate of MAX3738ETG+?
The MAX3738ETG+ supports data rates up to 4.25Gbps.