Product Information

GS3440-INTE3

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Datasheet
Long-Reach Adaptive Cable Equalizer
Manufacturer: Semtech



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From 24.6316

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GS3440-INTE3
Semtech

250 : $ 26.4961

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GS3440-INTE3
Semtech

1 : $ 34.1053
10 : $ 31.8158
25 : $ 30.6947
100 : $ 27.5842
250 : $ 27.0789
500 : $ 25.6737
1000 : $ 24.8842
2500 : $ 24.6474
5000 : $ 24.6316

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GS3440-INTE3
Semtech

1 : $ 32.3013

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Manufacturer
Semtech
Product Category
Equalizers
RoHS - XON
Y Icon ROHS
Product
Cable Equalizers
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+85 C
Minimum Operating Temperature
- 40 C
Package / Case
QFN-16
Data Rate
2.97 Gb/S
Input Voltage
3.3 V
Output Current
19 mA
Output Voltage
1.2 v , 2.5 v , 3.3 v
Packaging
Reel
Brand
Semtech
Mounting Style
Smd/Smt
Operating Supply Current
53 mA
Factory Pack Quantity :
250
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GS3440 Extended Reach 3G/HD/SD Adaptive Cable Equalizer Key Features Applications SMPTE ST 424, SMPTE ST 292 and SMPTE ST 259 SMPTE ST 424, SMPTE ST 292 and SMPTE ST 259 compliant coaxial cable serial digital interfaces Automatic cable equalization Description Multi-standard operation from 125Mb/s to 2.97Gb/s The GS3440 is a high-speed BiCMOS device designed to Performance optimized for 270Mb/s, 1.485Gb/s and equalize and restore signals received over 75 coaxial 2.97Gb/s. Typical equalized length of Belden 1694A cable. cable up to: The device is designed to support SMPTE ST 424, 210m at 2.97Gb/s SMPTE ST 292 and SMPTE ST 259, and is optimized for 300m at 1.485Gb/s performance at 270Mb/s, 1.485Gb/s and 2.97Gb/s. 550m at 270Mb/s The GS3440 features DC restoration to compensate for the DC content of SMPTE pathological signals. Supports DVB-ASI at 270Mb/s The Carrier Detect output pin (CD) indicates whether an Supports MADI at 125Mb/s input signal has been detected. It can be connected directly Manual bypass (useful for low data rates with slow to the SLEEP pin to enable automatic sleep on loss of carrier. rise/fall times) A voltage programmable threshold, set via the SQ_ADJ pin, Programmable carrier detect with squelch threshold forces CD high when the input signal amplitude falls below adjustment the threshold. This allows the GS3440 to distinguish Automatic power-down on loss of signal between low-amplitude SDI signals and noise at the input of the device. Standby power <35mW (typical) The equalizing and DC restore stages are disengaged and Differential output supports DC-coupling from 1.2V to no equalization occurs when the BYPASS pin is HIGH. 3.3V CML logic Setting the BYPASS pin HIGH is useful for signals launched Option to compensate for 6dB flat attenuation prior to at the signal source with low data rates and/or slow rise/fall input of device times. Selectable output de-emphasis: 2dB, 4dB and 6dB The GS3440 features a gain selection pin (GAIN_SEL) which Standard EIA/JEDEC logic control and status signal can be used to compensate for 6dB flat attenuation prior to levels the input of the device. Single 3.3V power supply operation The differential output can be DC-coupled to Semtechs reclockers and cable drivers, as well as industry-standard 180mW power consumption (typical) 1.2V, 1.8V, 2.5V and 3.3V CML logic by changing the voltage Wide operating temperature range of -40C to +85C applied to the VCC_O pin. In general, DC-coupling to any Small footprint QFN package (4mm x 4mm) termination voltage between 1.2V and 3.3V is supported. Footprint compatible with the GS2974A, GS2974B, The GS3440 also features programmable output GS2984 and GS2994 de-emphasis with three, user-selectable operating levels to support long PCB traces at the output of the device. Pb-free and RoHS compliant GS3440 Adaptive Cable Equalizer 1 of 23 www.semtech.com Final Data Sheet Rev. 2 December 2012 Proprietary and ConfidentialDescription (continued) The device comes in a 16-pin, 4mm x 4mm QFN package and is footprint compatible with Semtechs GS2974A, GS2974B, GS2984 and GS2994 equalizers. Power consumption of the GS3440 is typically 180mW when DC-coupled at 1.2V. The GS3440 is Pb-free, and the encapsulation compound does not contain halogenated flame retardant. This component and all homogeneous subcomponents are RoHS compliant. SQ_ADJ BYPASS SLEEP CD Squelch Adjust Carrier Detect VCC_O VCC_A Mute SDI DC DDO Equalizer Restore SDI DDO Output GAIN_SEL VEE_O OP_CTL AGC VEE_A AGC AGC GS3440 Functional Block Diagram GS3440 Adaptive Cable Equalizer 2 of 23 Final Data Sheet Rev. 2 December 2012 Proprietary and Confidential

Tariff Concession Code
Tariff Desc

Free
8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
SEM
Semtech
Semtech Corporation
SEMTECH ELECTRONICS LIMITED
SEMTECH INTERNATIONAL