Description
CXA1684M is a low noise transimpedance amplifier, particularly suitable for fiber-optic system.
CXA1684M is fabricated using high-speed bipolar process.

Features
• High transimpedance: (Q) 3.9 kΩ (Typ.) (QB) 3.7 kΩ (Typ.)
• Wide band width (–3dB): (Q) 630 MHz (Typ.) (QB) 390 MHz (Typ.)
• Maximum input current: 1mA

Applications
• Q output
    SONET/SDH: 622 Mb/s
    Fiber channel: 532 Mb/s
• Differential output
    SONET/SDH: 155 Mb/s
    Fiber channel: 133,266 Mb/s
    ESCON: 200 Mb/s