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Limiting Amplifiers



DATA SHEETS
Part Number Description Key Advantages
MAX3748 Compact 155Mbps to 4.25Gbps Limiting Amplifier

Compact, 155Mbps to 4.25Gbps Multirate SFF/SFP Limiting Amplifier Functions as a Data Quantizer for SONET, Fibre Channel, and Gigabit Ethernet Optical Receivers
MAX3945EVKIT Evaluation Kit for the MAX3945

MAX3945 1.0625Gbps to 11.3Gbps, SFP+ Dual-Path Limiting Amplifier

1Gbps to 11Gbps Limiting Amp Enables < 1W SFP+ Optical Transceiver Modules
MAX3747, MAX3747A, MAX3747B 155Mbps to 3.2Gbps, Low-Power SFP Limiting Amplifiers

155Mbps to 3.2Gbps, Low-Power SFP Limiting Amplifiers Function as Data Quantizers for OC-3 through OC-48 Synchronous Optical Network (SONET), Fibre-Channel, and Gigabit Ethernet Optical Receivers
MAX3645 +2.97V to +5.5V, 125Mbps to 200Mbps Limiting Amplifier with Loss-of-Signal Detector

3V to 5.5V, 200Mbps Limiting Amplifier with LOS Detector
MAX3748A Compact 155Mbps to 4.25Gbps Limiting Amplifier

Compact, 155Mbps to 4.25Gbps Multirate SFF/SFP Limiting Amplifier Functions as a Data Quantizer for SONET, Fibre Channel, and Gigabit Ethernet Optical Receivers



Key Specifications:

Limiting Amplifiers
Part Number Target Oper. Range
(Gbps)
Data Rate
(Mbps)
Data Rate
(Mbps)
VSUPPLY
(V)
ICC
(mA)
I/O Type Input Sens.
(mV)
LOS Sens.
(mV)
Edge Speed
(ps)
EV Kit Package/Pins Smallest Available Pckg.
(mm2)
min max typ min max max w/pins
MAX3748 NEW!
1 to 4.5
<1
155 4250 3.3 32 CML 5 4.1 115 Yes
TQFN/16
9.6
MAX3945  5 to >10 1062 11300 3.3 39 CML 4 5.1 35 -
TQFN/16
9.6
MAX3747  1 to 4.5 155 3200 3.3 30 CML 4 4.1 70 Yes
µMAX/10
uMAX/10
15.4
MAX3747A  1 to 4.5 155 3200 3.3 30 CML 4 4.1 70 Yes
µMAX/10
uMAX/10
15.4
MAX3747B  1 to 4.5 155 3200 3.3 30 CML 4 4.1 70 Yes
µMAX/10
uMAX/10
15.4
MAX3645  <1 155 200
3.3
5
18 PECL 1 2 1400 Yes
QSOP/16
SOIC(N)/16
61.9
See All Limiting Amplifiers (16)





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