Rainbow Electronics MAX3746 - Manual (Page 11)

MAX3746
Low-Power, 622Mbps to 3.2Gbps
Limiting Amplifier
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Typical Operating Circuits (continued)
MAX3744 TIA
IN+
IN-
RSSI TH DISABLE LOS
OUTPOL V CC
GND
4.7kΩ TO 10kΩ
LOS
2.97V TO 3.6V
OUT+
50Ω
OUT-
50Ω
C IN
0.1µF
C OUT
0.1µF
C OUT
0.1µF
C IN
0.1µF
SERDES
SUPPLY FILTER HOST FILTER
V CC_RX 5-PIN TO HEADER
HOST BOARD SFP OPTICAL RECEIVER
PIN OR
APD
V CC (+3.3V OR APD
REFERENCE VOLTAGE)
V CC (+3.3V)
MAX4004
MAX3746
DS1859
3-INPUT DIAGNOSTIC
MONITOR
R TH = 14kΩ
16
1
2
3
4
GND
V CC1
IN+
IN-
V CC1
V CC2
OUT+
OUT-
OUTPOL
15
N.C.
14
N.C.
13
5 6 7 8
12
11
10
9
RSSI
TH DISABLE LOS GND
3mm x 3mm QFN
MAX3746
Pin Configuration