Status
All versions are No Longer Available.
Description
The MAX3910 is a 10.7Gbps transimpedance amplifier
designed for SONET OC-192/SDH STM-64, DWDM,
and 10Gbps systems employing optical amplifiers.
Operating from a single +5V or -5.2V supply, it converts
a photodiode current into a measurable differential voltage.
This product has a linear gain for an input current
up to 950µAP-P and a soft-limiting feature that provides
an increasing output swing for an input current up to
the 3.5mAP-P overload. An offset adjust circuit and out-put-
level monitors allow system threshold adjustments.
Additional features include back-terminated 50Ω out-puts
and an integrated 200Ω filter resistor to bias the
photodiode.
The MAX3910 has a small-signal bandwidth of 9.1GHz
and a small-signal transimpedance of 1.65kΩ. The part
achieves an input sensitivity of 15.5µAP-P for a BER of
10-12, translating to an optical sensitivity of -19.3dBm
for a PIN (r = 0.9, re = 6.6) photo detector and -28.8dBm
for an APD (M = 8, ñ = 0.9, re = 10) photo detector.
The MAX3910 is fabricated in Maxim's in-house SiGe
process and is available in die form.
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