Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    LTC2171 Search Results

    SF Impression Pixel

    LTC2171 Price and Stock

    Analog Devices Inc LTC2171CUKG-14-PBF

    IC ADC 14BIT PIPELINED 52QFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC2171CUKG-14-PBF Tube 2,036 1
    • 1 $88.69
    • 10 $70.853
    • 100 $64.6125
    • 1000 $64.6125
    • 10000 $64.6125
    		Buy Now

    Analog Devices Inc LTC2171CUKG-12-PBF

    IC ADC 12BIT PIPELINED 52QFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC2171CUKG-12-PBF Tube 171 1
    • 1 $38.2
    • 10 $35.975
    • 100 $35.975
    • 1000 $35.975
    • 10000 $35.975
    		Buy Now

    Analog Devices Inc LTC2171IUKG-14-PBF

    IC ADC 14BIT PIPELINED 52QFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC2171IUKG-14-PBF Tube 122 1
    • 1 $96.15
    • 10 $77.177
    • 100 $71.075
    • 1000 $71.075
    • 10000 $71.075
    		Buy Now

    Analog Devices Inc LTC2171IUKG-12-PBF

    IC ADC 12BIT PIPELINED 52QFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC2171IUKG-12-PBF Tube 35 1
    • 1 $58.79
    • 10 $45.81
    • 100 $39.5625
    • 1000 $39.5625
    • 10000 $39.5625
    		Buy Now

    Analog Devices Inc LTC2171CUKG-14

    IC ADC 14BIT PIPELINED 52QFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC2171CUKG-14 Tube
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Find more LTC2171 price and stock on Findchips.com

    LTC2171 Datasheets (8)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    LTC2171CUKG-12#PBF Linear Technology LTC2171 - IC 4-CH 12-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PQCC52, 7 X 8 MM, LEAD FREE, PLASTIC, QFN-52, Analog to Digital Converter Original PDF
    LTC2171CUKG-12#TRPBF Linear Technology LTC2171 - IC 4-CH 12-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PQCC52, 7 X 8 MM, LEAD FREE, PLASTIC, QFN-52, Analog to Digital Converter Original PDF
    LTC2171CUKG-14#PBF Linear Technology LTC2171 - IC 4-CH 14-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PQCC52, 7 X 8 MM, LEAD FREE, PLASTIC, QFN-52, Analog to Digital Converter Original PDF
    LTC2171CUKG-14#TRPBF Linear Technology LTC2171 - IC 4-CH 14-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PQCC52, 7 X 8 MM, LEAD FREE, PLASTIC, QFN-52, Analog to Digital Converter Original PDF
    LTC2171IUKG-12#PBF Linear Technology LTC2171 - IC 4-CH 12-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PQCC52, 7 X 8 MM, LEAD FREE, PLASTIC, QFN-52, Analog to Digital Converter Original PDF
    LTC2171IUKG-12#TRPBF Linear Technology LTC2171 - IC 4-CH 12-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PQCC52, 7 X 8 MM, LEAD FREE, PLASTIC, QFN-52, Analog to Digital Converter Original PDF
    LTC2171IUKG-14#PBF Linear Technology LTC2171 - IC 4-CH 14-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PQCC52, 7 X 8 MM, LEAD FREE, PLASTIC, QFN-52, Analog to Digital Converter Original PDF
    LTC2171IUKG-14#TRPBF Linear Technology LTC2171 - IC 4-CH 14-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PQCC52, 7 X 8 MM, LEAD FREE, PLASTIC, QFN-52, Analog to Digital Converter Original PDF

    LTC2171 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    LTC2170C

    Abstract: LTC2171C LTC2172-14 LTC2172C LTC2172I LTC2172CUKG-14
    Text: LTC2172-14/ LTC2171-14/LTC2170-14 14-Bit, 65Msps/40Msps/ 25Msps Low Power Quad ADCs Description Features 4-Channel Simultaneous Sampling ADC 73.7dB SNR 90dB SFDR Low Power: 311mW/202mW/162mW Total, 78mW/51mW/41mW per Channel n Single 1.8V Supply n Serial LVDS Outputs: One or Two Bits per Channel


    Original     		PDF LTC2172-14/ LTC2171-14/LTC2170-14 14-Bit, 65Msps/40Msps/ 25Msps 311mW/202mW/162mW 78mW/51mW/41mW n800MHz 14-Bit 12-Bit LTC2170C LTC2171C LTC2172-14 LTC2172C LTC2172I LTC2172CUKG-14

    LTC2170C

    Abstract: LTC2171C LTC2172-12 LTC2172C LTC2172I
    Text: LTC2172-12/ LTC2171-12/LTC2170-12 12-Bit, 65Msps/40Msps/ 25Msps Low Power Quad ADCs Description Features 4-Channel Simultaneous Sampling ADC n 71dB SNR n 90dB SFDR n Low Power: 306mW/198mW/160mW Total, 77mW/50mW/40mW per Channel n Single 1.8V Supply n Serial LVDS Outputs: One or Two Bits per Channel


    Original     		PDF LTC2172-12/ LTC2171-12/LTC2170-12 12-Bit, 65Msps/40Msps/ 25Msps 306mW/198mW/160mW 77mW/50mW/40mW n800MHz 14-Bit 12-Bit LTC2170C LTC2171C LTC2172-12 LTC2172C LTC2172I

    LTC2171-12

    Abstract: LTC2170C LTC2171C LTC2172-12 LTC2172C LTC2172I LTC2172IUKG-12#PBF QFN-40 thermal resistance
    Text: LTC2172-12/ LTC2171-12/LTC2170-12 12-Bit, 65Msps/40Msps/ 25Msps Low Power Quad ADCs DESCRIPTION FEATURES n n n n n n n n n n n n 4-Channel Simultaneous Sampling ADC 71dB SNR 90dB SFDR Low Power: 306mW/198mW/160mW Total, 77mW/50mW/40mW per Channel Single 1.8V Supply


    Original     		PDF LTC2172-12/ LTC2171-12/LTC2170-12 12-Bit, 65Msps/40Msps/ 25Msps 306mW/198mW/160mW 77mW/50mW/40mW 800MHz 14-Bit 12-Bit LTC2171-12 LTC2170C LTC2171C LTC2172-12 LTC2172C LTC2172I LTC2172IUKG-12#PBF QFN-40 thermal resistance

    Untitled

    Abstract: No abstract text available
    Text: LTC2172-14/ LTC2171-14/LTC2170-14 14-Bit, 65Msps/40Msps/ 25Msps Low Power Quad ADCs DESCRIPTION FEATURES n n n n n n n n n n n n 4-Channel Simultaneous Sampling ADC 73.7dB SNR 90dB SFDR Low Power: 311mW/202mW/162mW Total, 78mW/51mW/41mW per Channel Single 1.8V Supply


    Original     		PDF LTC2172-14/ LTC2171-14/LTC2170-14 14-Bit, 65Msps/40Msps/ 25Msps 2172-14/LTC2171-14/LTC2170-14 14-bit 15psRMS 40MHz 900MHz

    VITA-57

    Abstract: No abstract text available
    Text: DEMO MANUAL DC1525A LTC2175-14/-12, LTC2174-14/-12, LTC2173-14/-12, LTC2172-14/-12, LTC2171-14/-12, LTC2170-14/-12 12-Bit/14-Bit, 25Msps to 125Msps Quad ADCs DESCRIPTION Demonstration circuit 1525A supports a family of 14-Bit/12-Bit 25Msps to 125Msps ADCs. Each assembly features one of the following devices: LTC 2175-14,


    Original     		PDF DC1525A LTC2175-14/-12, LTC2174-14/-12, LTC2173-14/-12, LTC2172-14/-12, LTC2171-14/-12, LTC2170-14/-12 12-Bit/14-Bit, 25Msps 125Msps VITA-57

    LTC2170UKG-14

    Abstract: LTC2172UKG-14 QFN-40 thermal resistance LTC2170-14 2172 LTC2170C LTC2171C LTC2172-14 LTC2172C LTC2172I
    Text: LTC2172-14/ LTC2171-14/LTC2170-14 14-Bit, 65Msps/40Msps/ 25Msps Low Power Quad ADCs DESCRIPTION FEATURES n n n n n n n n n n n n 4-Channel Simultaneous Sampling ADC 73.7dB SNR 90dB SFDR Low Power: 311mW/202mW/162mW Total, 78mW/51mW/41mW per Channel Single 1.8V Supply


    Original     		PDF LTC2172-14/ LTC2171-14/LTC2170-14 14-Bit, 65Msps/40Msps/ 25Msps 311mW/202mW/162mW 78mW/51mW/41mW 800MHz 14-Bit 12-Bit LTC2170UKG-14 LTC2172UKG-14 QFN-40 thermal resistance LTC2170-14 2172 LTC2170C LTC2171C LTC2172-14 LTC2172C LTC2172I

    capacitor MAL 2051

    Abstract: LTC2171-12 LTC2264-14 voltage stabilizer 15 amp wbc1-1lb 2053 A/D Converter Analog Marking Information LTC5527 MABA-007159-000000 QFN-52
    Text: LTC2172-12/ LTC2171-12/LTC2170-12 12-Bit, 65Msps/40Msps/ 25Msps Low Power Quad ADCs DESCRIPTION FEATURES n n n n n n n n n n n n 4-Channel Simultaneous Sampling ADC 71dB SNR 90dB SFDR Low Power: 306mW/198mW/160mW Total, 77mW/50mW/40mW per Channel Single 1.8V Supply


    Original     		PDF LTC2172-12/ LTC2171-12/LTC2170-12 12-Bit, 65Msps/40Msps/ 25Msps 306mW/198mW/160mW 77mW/50mW/40mW 800MHz 14-Bit 12-Bit capacitor MAL 2051 LTC2171-12 LTC2264-14 voltage stabilizer 15 amp wbc1-1lb 2053 A/D Converter Analog Marking Information LTC5527 MABA-007159-000000 QFN-52

    Untitled

    Abstract: No abstract text available
    Text: LTC2172-14/ LTC2171-14/LTC2170-14 14-Bit, 65Msps/40Msps/ 25Msps Low Power Quad ADCs DESCRIPTION FEATURES n n n n n n n n n n n n 4-Channel Simultaneous Sampling ADC 73.7dB SNR 90dB SFDR Low Power: 311mW/202mW/162mW Total, 78mW/51mW/41mW per Channel Single 1.8V Supply


    Original     		PDF LTC2172-14/ LTC2171-14/LTC2170-14 14-Bit, 65Msps/40Msps/ 25Msps 311mW/202mW/162mW 78mW/51mW/41mW 800MHz 14-Bit 12-Bit

    DSAASSA0002395.txt

    Abstract: ltc2262
    Text: RELIABILITY DATA LTC2140 / LTC2141 / LTC2142 / LTC2143 / LTC2144 / LTC2145 / LTC2150 / LTC2151 / LTC2152 / LTC2153 / LTC2155 / LTC2156 / LTC2157 / LTC2158 / LTC2159 / LTC2160 / LTC2161 / LTC2162 / LTC2163 / LTC 2164 / LTC2165 / LTC2170 / LTC2171 / LTC2172


    Original     		PDF LTC2140 LTC2141 LTC2142 LTC2143 LTC2144 LTC2145 LTC2150 LTC2151 LTC2152 LTC2153 DSAASSA0002395.txt ltc2262

    Untitled

    Abstract: No abstract text available
    Text: LTC2172-12/ LTC2171-12/LTC2170-12 12-Bit, 65Msps/40Msps/ 25Msps Low Power Quad ADCs DESCRIPTION FEATURES n n n n n n n n n n n n The LTC 2172-12/LTC2171-12/LTC2170-12 are 4-channel, simultaneous sampling 12-bit A/D converters designed for digitizing high frequency, wide dynamic range signals. They


    Original     		PDF LTC2172-12/ LTC2171-12/LTC2170-12 12-Bit, 65Msps/40Msps/ 25Msps 2172-12/LTC2171-12/LTC2170-12 12-bit 15psRMS 306mW/198mW/160mW 77mW/50mW/40mW

    VITA-57

    Abstract: VITA57 VITA-57 fmc LTC2171-12 1J14 VITA57 standard connector FMC 1525a LTC2170-14 LTC2172-14
    Text: QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 1525 12/14 BIT, 25 TO 125 MSPS QUAD ADC LTC2175-14, LTC2175-12, LTC2174-14, LTC2174-12, LTC2173-14, LTC2173-12, LTC2172-14, LTC2172-12, LTC2171-14, LTC2171-12, LTC2170-14, LTC2170-12 DESCRIPTION Demonstration circuit 1525 supports a family of 14/12


    Original     		PDF LTC2175-14, LTC2175-12, LTC2174-14, LTC2174-12, LTC2173-14, LTC2173-12, LTC2172-14, LTC2172-12, LTC2171-14, LTC2171-12, VITA-57 VITA57 VITA-57 fmc LTC2171-12 1J14 VITA57 standard connector FMC 1525a LTC2170-14 LTC2172-14

    QFN-52

    Abstract: LTC2265-12 LTC2265C 2265431 2263C
    Text: LTC2265-12/ LTC2264-12/LTC2263-12 12-Bit, 65Msps/40Msps/ 25Msps Low Power Dual ADCs FEATURES DESCRIPTION n The LTC 2265-12/LTC2264-12/LTC2263-12 are 2-channel, simultaneous sampling 12-bit A/D converters designed for digitizing high frequency, wide dynamic range signals. They


    Original     		PDF LTC2265-12/ LTC2264-12/LTC2263-12 12-Bit, 65Msps/40Msps/ 25Msps 2265-12/LTC2264-12/LTC2263-12 12-bit 15psRMS 167mW/112mW/94mW 83mW/56mW/47mW QFN-52 LTC2265-12 LTC2265C 2265431 2263C

    LTC-6512

    Abstract: No abstract text available
    Text: LTC2265-12/ LTC2264-12/LTC2263-12 12-Bit, 65Msps/40Msps/ 25Msps Low Power Dual ADCs FEATURES DESCRIPTION n The LTC 2265-12/LTC2264-12/LTC2263-12 are 2-channel, simultaneous sampling 12-bit A/D converters designed for digitizing high frequency, wide dynamic range signals. They


    Original     		PDF LTC2265-12/ LTC2264-12/LTC2263-12 12-Bit, 65Msps/40Msps/ 25Msps 2265-12/LTC2264-12/LTC2263-12 12-bit 15psRMS 40MHz 900MHz LTC-6512

    LTC2267-14

    Abstract: No abstract text available
    Text: Electrical Specifications Subject to Change LTC2268-14/ LTC2267-14/LTC2266-14 14-Bit, 125Msps/105Msps/ 80Msps Low Power Dual ADCs FEATURES DESCRIPTION n The LTC 2268-14/LTC2267-14/LTC2266-14 are 2-channel, simultaneous sampling 14-bit A/D converters designed


    Original     		PDF LTC2268-14/ LTC2267-14/LTC2266-14 14-Bit, 125Msps/105Msps/ 80Msps 2268-14/LTC2267-14/LTC2266-14 14-bit 15psRMS LTC5527 400MHz LTC2267-14

    schematic diagram atx Power supply 500w

    Abstract: pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 Digital Signal Processors, iCoupler , iMEMS® and iSensor . . . . . 805, 2707, 2768-2769 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-568 RF Connectors . . . . . . . . . . . . . . . . . . . . . . Pages 454-455


    Original     		PDF P462-ND P463-ND LNG295LFCP2U LNG395MFTP5U US2011) schematic diagram atx Power supply 500w pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS

    Untitled

    Abstract: No abstract text available
    Text: LTC2268-14/ LTC2267-14/LTC2266-14 14-Bit, 125Msps/105Msps/ 80Msps Low Power Dual ADCs FEATURES n n n n n n n n n n n n n DESCRIPTION 2-Channel Simultaneous Sampling ADC 73.1dB SNR 88dB SFDR Low Power: 299mW/243mW/203mW Total 150mW/121mW/101mW Per Channel Single 1.8V Supply


    Original     		PDF LTC2268-14/ LTC2267-14/LTC2266-14 14-Bit, 125Msps/105Msps/ 80Msps 299mW/243mW/203mW 150mW/121mW/101mW 800MHz 14-Bit 12-Bit

    Untitled

    Abstract: No abstract text available
    Text: LTC2175-12/ LTC2174-12/LTC2173-12 12-Bit, 125Msps/105Msps/ 80Msps Low Power Quad ADCs FEATURES n n n n n n n n n n n n DESCRIPTION The LTC 2175-12/LTC2174-12/LTC2173-12 are 4-channel, simultaneous sampling 12-bit A/D converters designed for digitizing high frequency, wide dynamic range signals.


    Original     		PDF LTC2175-12/ LTC2174-12/LTC2173-12 12-Bit, 125Msps/105Msps/ 80Msps 2175-12/LTC2174-12/LTC2173-12 12-bit 15psRMS 545mW/439mW/369mW 136mW/110mW/92mW

    Arduino Mega2560

    Abstract: 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l
    Text: ND3% BASE1 XXXX2108-0010-1-P 10 TSQ: 3001 CMS: CMS-USM TS host OP: NN COMP: 15-07-11 Hour: 13:07 TS:TS date TS time MCUS, MPUS, DSPS & DEVELOPMENT TOOLS Find Datasheets Online 8-BIT MCUS & DEVELOPMENT TOOLS 1 PSoC 3 DEVELOPMENT KITS ARDUINO MCU DEVLOPMENT PLATFORM


    Original     		PDF CY8C38 CY8C29 incl795 12T9797 12T9804 12T9803 12T9800 12T9802 12T9801 12T9805 Arduino Mega2560 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l

    LTM9011IY-14

    Abstract: LTM9011-14 LTM9010-14 LTM9009C LTM9010C LTM9011C LTM9011I lt3080 1k11 g2766
    Text: LTM9011-14/ LTM9010-14/LTM9009-14 14-Bit, 125Msps/105Msps/ 80Msps Low Power Octal ADCs Features Description 8-Channel Simultaneous Sampling ADC n 73.1dB SNR n 88dB SFDR n Low Power: 140mW/113mW/94mW per Channel n Single 1.8V Supply n Serial LVDS Outputs: 1 or 2 Bits per Channel


    Original     		PDF LTM9011-14/ LTM9010-14/LTM9009-14 14-Bit, 125Msps/105Msps/ 80Msps 140mW/113mW/94mW n800MHz n140-Pin 9011-14/LTM9010-14/LTM9009-14 14-bit LTM9011IY-14 LTM9011-14 LTM9010-14 LTM9009C LTM9010C LTM9011C LTM9011I lt3080 1k11 g2766

    Untitled

    Abstract: No abstract text available
    Text: Electrical Specifications Subject to Change LTC2175-14/ LTC2174-14/LTC2173-14 14-Bit, 125Msps/105Msps/ 80Msps Low Power Quad ADCs FEATURES DESCRIPTION n The LTC 2175-14/2174-14/2173-14 are 4-channel, simultaneous sampling 14-bit A/D converters designed for


    Original     		PDF LTC2175-14/ LTC2174-14/LTC2173-14 14-Bit, 125Msps/105Msps/ 80Msps 14-bit 15psRMS 28dBm 900MHz, 35dBm

    LT 8195

    Abstract: LTC2268-14 LTC2268C LTC2268I LTC2268IU g52A
    Text: LTC2268-14/ LTC2267-14/LTC2266-14 14-Bit, 125Msps/105Msps/ 80Msps Low Power Dual ADCs FEATURES DESCRIPTION n The LTC 2268-14/LTC2267-14/LTC2266-14 are 2-channel, simultaneous sampling 14-bit A/D converters designed for digitizing high frequency, wide dynamic range signals.


    Original     		PDF LTC2268-14/ LTC2267-14/LTC2266-14 14-Bit, 125Msps/105Msps/ 80Msps 2268-14/LTC2267-14/LTC2266-14 14-bit 15psRMS 299mW/243mW/203mW 150mW/121mW/101mW LT 8195 LTC2268-14 LTC2268C LTC2268I LTC2268IU g52A

    SMD LTYN

    Abstract: ic 4440 40w amplifier 12v ltls e3 Weston 2281 thermometer LT3060ITS8 Transistor SR 6863 TO-126 LTC3855EUH-1 LTPG e3 5Dx diode SMD LTABA
    Text: November 2009 Product Selection Guide Amplifiers Data Converters Linear Regulators Switching Regulators µModule DC/DC Converters Battery Chargers LED Drivers Hot Swap Interface Filters RF/Wireless Silicon Oscillators Comparators Supervisory Circuits References


    Original     		PDF D-59387 D-73230 1-800-4-LINEAR SMD LTYN ic 4440 40w amplifier 12v ltls e3 Weston 2281 thermometer LT3060ITS8 Transistor SR 6863 TO-126 LTC3855EUH-1 LTPG e3 5Dx diode SMD LTABA

    LTM9012

    Abstract: LTM9009-14 LTM9010-14
    Text: LTM9012 Quad 14-Bit, 125Msps ADC with Integrated Drivers FEATURES n n n n n n n n DESCRIPTION The LTM 9012 is a 4-channel, simultaneous sampling 14-bit µModule® analog-to-digital converter ADC with integrated, fixed gain, differential ADC drivers. The low


    Original     		PDF LTM9012 14-Bit, 125Msps 14-bit 318mW Msps/65Msps 99mW/126mW/191mW, QFN-40 LTC2266-14/LTC2267-14/ LTC2268-14 LTM9012 LTM9009-14 LTM9010-14

    LTC2263-14

    Abstract: LTC2265-14 LTC2265C LTC2263UJ-14 LTC2265UJ-14
    Text: LTC2265-14/ LTC2264-14/LTC2263-14 14-Bit, 65Msps/40Msps/ 25Msps Low Power Dual ADCs FEATURES DESCRIPTION n The LTC 2265-14/LTC2264-14/LTC2263-14 are 2-channel, simultaneous sampling 14-bit A/D converters designed for digitizing high frequency, wide dynamic range signals.


    Original     		PDF LTC2265-14/ LTC2264-14/LTC2263-14 14-Bit, 65Msps/40Msps/ 25Msps 2265-14/LTC2264-14/LTC2263-14 14-bit 15psRMS 171mW/113mW/94mW 85mW/56mW/47mW LTC2263-14 LTC2265-14 LTC2265C LTC2263UJ-14 LTC2265UJ-14