MAX3866 データシートの表示（PDF） - Maxim Integrated
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MAX3866 Datasheet PDF : 12 Pages
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19-1433; Rev 1; 3/99
2.5Gbps, +3.3V Combined
Transimpedance/Limiting Amplifier
General Description
The MAX3866 combined transimpedance preamplifier
and limiting postamplifier is intended for application in
SDH/SONET systems operating at 2.488Gbps. It oper-
ates from a single +3.3V or +5V supply and provides a
differential output signal. The differential outputs are
each 50Ω reverse terminated (100Ω differential termi-
nation) for low-noise and high-speed signal perfor-
mance.
The small-signal bandwidth and noise performance is
specified for a source capacitance of 0.5pF. When the
MAX3866 is used with the PIN photodetector, sensitivi-
ties better than -22dBm can be achieved. The
MAX3866 is equipped with a programmable TTL loss-
of-power (LOP) output.
Features
o Input Sensitivities Better than -22dBm (7.8µAp-p)
o Overdrive Capability Better than +1.4dBm
(2.5mAp-p)
o Single +3.3V or +5V Supply
o 165mW Power Dissipation (at 3.3V)
o 1.8GHz Analog Input Bandwidth
o Programmable Loss-of-Power Indicator
o 100Ω Differential Output
Applications
SDH/SONET Transmission Systems
PIN/Preamplifier Receivers
2.488Gbps ATM Receivers
Regenerators for SDH/SONET
Ordering Information
PART
MAX3866E/D
TEMP. RANGE
(see Note)
PIN-PACKAGE
Dice
Note: Dice are designed to operate over a -40°C to +120°C
junction temperature (Tj) range, but are tested and guaranteed
at TA = +25°C.
Pad Configuration appears at end of data sheet.
Typical Application Circuit
FIL
PHOTODIODE
IN+
VCCS
200Ω
PREAMP
MAX3866
CHF+
CHF-
CHF
+3.3V
VCCD
LIMITING
POSTAMP
OUT+ Zo = 50Ω
OUT-
Zo = 50Ω
PDC LOP
INV
RPD
MAX3875
CLOCK AND DATA
RECOVERY
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
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