FREQUENCY 10k 69 72 75 78 81 84 87 90 GAIN TA01b 100k 1M 10M 100M 1G 60 63 66 PseudoDifferential Differential95dB PseudoDifferentialProgrammable Compression VoltagesOnboard Reference Reference ID: 403468
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FREQUENCY 10k 69 72 75 78 81 84 87 90 GAIN TA01b 100k 1M 10M 100M 1G 60 63 66 LTC2373-18 programmable store control words provides differential pseudo-differential converted differential core external circuit performanceFeatures Throughput DifferentialPseudo-Differential Pseudo-Differential Differential)/95dB (Pseudo-Differential)Programmable Compression VoltagesOnboard Reference Reference Buffer Performance 18-Bit16-Bit 2372-18 2372-16 2373-18 2373-16 LTC2373-18FULLY 4.096V0V0V IN+IN–IN+IN–4.096V0V2.048V 4.096V0V4.096V0V MULTIPLEXER ISOLATION DIGITAL SEQUENCER OPTIONAL CIRCUITRY 2.048VREFERENCE20ppm/°CMAXIMUM18-BITSAR+– PORT IN+IN–Pin-Compatible LT, LTC, LTM, Technology Technology LTC2373-18 programmable store control words provides differential pseudo-differential converted differential core external circuit performanceFeatures Throughput DifferentialPseudo-Differential Pseudo-Differential Differential)/95dB (Pseudo-Differential)Programmable Compression VoltagesOnboard Reference Reference Buffer Performance 18-Bit16-Bit 2372-18 2372-16 2373-18 2373-16 LTC2373-18FULLY 4.096V0V0V IN+IN–IN+IN–4.096V0V2.048V 4.096V0V4.096V0V MULTIPLEXER ISOLATION DIGITAL SEQUENCER OPTIONAL CIRCUITRY 2.048VREFERENCE20ppm/°CMAXIMUM18-BITSAR+– PORT IN+IN–Pin-Compatible LT, LTC, LTM, Technology Technology 16-BitHigh True 4V,Unipolar/True3V/5V FullyPseudo- 3.3V/5V 1-Ch2-Ch8-Ch8-Ch1-Ch Serial 18-Bit1-Ch20-Bit16-Bit 1605-1 1605-2 1856 1867L 1864 1606 1865 2378-18 2328-16 2373-16 2393-16 2378-16 2368-18 2368-16 2380-16 2389-18 2370-16 2323-16 2321-16 1603 1864L 1605 1859 1867 1865L 1609 2376-18 2326-16 1604 2391-16 2376-16 2364-18 2364-16 2367-18 2389-16 2367-16 2377-18 2328-18 2338-18 2326-18 2336-18 2337-18 2373-18 2372-18 2327-18 2378-20 2376-20 2377-20 2327-16 1608 2372-16 2392-16 2377-16 2379-18 True True 16-BitHigh True 4V,Unipolar/True3V/5V FullyPin-CompatiblePseudo- 3.3V/5V 1-Ch2-Ch8-Ch8-Ch1-Ch Serial 18-Bit1-Ch20-Bit16-Bit 1605-1 1605-2 1856 1867L 1864 1606 1865 2378-18 2328-16 2373-16 2393-16 2378-16 2368-18 2368-16 2380-16 2389-18 2370-16 2323-16 2321-16 1603 1864L 1605 1859 1867 1865L 1609 2376-18 2326-16 1604 2391-16 2376-16 2364-18 2364-16 2367-18 2389-16 2367-16 2377-18 2328-18 2338-18 2326-18 2336-18 2337-18 2373-18 2372-18 2327-18 2378-20 2376-20 2377-20 2327-16 1608 2372-16 2392-16 2377-16 2379-18 True True 1114 www.linear.com/2373-18 n 1-800-4-LINEAR WATCHDOG WATCHDOG 5 10 15 20 25 SUPPLY V IN = V IN = V IN = LOAD VOLTAGE 0.0 0.2 0.4 0.6 0.8 1.0 60 65 70 75 0 80 85 90 EFFICIENCY 12 24 36 48 60 0 EFFICIENCY POWER 1.2 1.5 0 10 20 30 40 50 60 70 LOSS 80 90 100 0 0.2 0.4 0.6 0.8 1.0 1.2 F SW = 1.4 1.6 1.8 2.0 EFFICIENCY POWER EFFICIENCY POWER LOSS F SW = F SW = F SW = LOAD 0 0.3 0.6 0.9 1.2 1.5 1.8 0 LOAD 10 20 30 40 50 60 70 80 90 100 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.3 1.0 EFFICIENCY POWER 0.6 0.9 EFFICIENCY POWER 1.2 1.5 0 10 20 30 40 50 60 70 LOSS 80 90 100 0 0.2 0.4 0.6 0.8 1.0 1.2 F SW = 1.4 1.6 1.8 2.0 EFFICIENCY POWER TA01b EFFICIENCY POWER LOSS F SW = F SW = F SW = LOAD 0 0.3 0.6 0.9 1.2 1.5 1.8 LOAD 0 10 20 30 40 50 60 70 80 90 0 100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.3 0.9 1.0 EFFICIENCY POWER TA01c 0.6 0.9 EFFICIENCY POWER 2.5 3 3.5 4 4.5 5 60 65 70 75 1MHz, 80 85 90 95 100 0 0.38 0.75 1.13 1.50 2MHz, 1.88 2.25 2.63 3.00 EFFICIENCY POWER TA01b Features UltralowEMI/EMCEmissions SpreadSpectrumFrequency InputVoltage: to 42V UltralowQuiescentCurrent in 2.5µA LowDropout:100mV at 1A Conditions 4mm QFN Package EMI/EMC Passes CISPR25 Class 5, 95% Efficient at 2MHz The LT8640 joins our growing family of ultralow quiescent current high voltage monolithic synchronous buck regulators.Its inherent ultralow EMI/EMC emissions, coupled with spread spectrum capabilities, allows it to comfortably meetCISPR25 class 5 radiated emissions requirements for automotive environments. The LT8640 consumes only 2.5µA ofquiescent current while regulating an output of 3.3V from a 12V input source. It also delivers up to 5A of output with efficiencies as high as 96%.42V, 5A Silent SwitcherMore Power & Spread Spectrum VINVOUT LT8640 , LT, LTC, LTM, Linear Technology, the Linear logoand Silent Switcher are registered trademarks of Technology Corporation. All other trademarksare the property of their respective owners Load0.560EfficiencyPower657580100951.52.53709000.381.133.002.630.752.25123.544.55 1MHz2MHz 12VIN toOUT Efficiency Size Circuitwww.linear.com/product/LT86401-800-4-LINEAR LT8640 EMI/EMC Curve, I = 4A -505100100200300400500 AmplitudeFrequency LT8640 1µH LOAD 0.5 1 1.5 2 Features UltralowEMI/EMCEmissions SpreadSpectrumFrequency InputVoltage: to 42V UltralowQuiescentCurrent in 2.5µA LowDropout:100mV at 1A Conditions 4mm QFN Package EMI/EMC Passes CISPR25 Class 5, 95% Efficient at 2MHz The LT8640 joins our growing family of ultralow quiescent current high voltage monolithic synchronous buck regulators.Its inherent ultralow EMI/EMC emissions, coupled with spread spectrum capabilities, allows it to comfortably meetCISPR25 class 5 radiated emissions requirements for automotive environments. The LT8640 consumes only 2.5µA ofquiescent current while regulating an output of 3.3V from a 12V input source. It also delivers up to 5A of output with efficiencies as high as 96%.42V, 5A Silent SwitcherMore Power & Spread Spectrum VINVOUT LT8640 , LT, LTC, LTM, Linear Technology, the Linear logoand Silent Switcher are registered trademarks of Technology Corporation. All other trademarksare the property of their respective owners Load0.560EfficiencyPower657580100951.52.53709000.381.133.002.630.752.25123.544.55 1MHz2MHz 12VIN toOUT Efficiency Size Circuitwww.linear.com/product/LT86401-800-4-LINEAR LT8640 EMI/EMC Curve, I = 4A -505100100200300400500 AmplitudeFrequency LT8640 OUTDIV VCO FRAC-N REFDIV –20–30–100 6.77721 Agilent 1K10K100K1M10MOffsetPhase Features K●rmalfze ∆n-AanK●fseFl●●r K●rmalfze ∆n-Aan–157dBc/Hz Tfdeban Phase Pr●drammable Afvfder 15-Iea (1mm 5mm Packade Info & Free Samples LT, LTC, LTM, Linear Technology and the Linear logo are trademarks and FracNWizard is a trademark of Linear Corporation. All other trademarks are the property of respective owners. www.linear.com/product/LTC6948 -Based Synthesizer Achieves Integer-N Spurious Performance ne ultral● n●fse fracf●nal- PII synthesfzerselfver beslass n●fse perf●rmanc and als●r●vfdeeptf●nall l● spurf●us levels a advance Tft m●dulat●r spurf●us levels f n●fse desfdners●nffdentl arcftect a frenuency pla wfth●u une srf●us frenuencfes f ●utpu spectrum Predfcable perf●rmance ensures peace ● mfn whe desfdnfnd wft ●ur fractf●nal- PIIs LTCLTC6946LTC6947LTC6948Integer-N,Integer-N, Family Get NoiseFractional-N Synthesizer OUTDIV VCO FRAC-N REFDIV –20–30–100 6.77721 Agilent 1K10K100K1M10MOffsetPhase Features K●rmalfze ∆n-AanK●fseFl●●r K●rmalfze ∆n-Aan–157dBc/Hz Tfdeban Phase Pr●drammable Afvfder 15-Iea (1mm 5mm Packade Info & Free Samples LT, LTC, LTM, Linear Technology and the Linear logo are trademarks and FracNWizard is a trademark of Linear Corporation. All other trademarks are the property of respective owners. www.linear.com/product/LTC6948 -Based Synthesizer Achieves Integer-N Spurious Performance ne ultral● n●fse fracf●nal- PII synthesfzerselfver beslass n●fse perf●rmanc and als●r●vfdeeptf●nall l● spurf●us levels a advance Tft m●dulat●r spurf●us levels f n●fse desfdners●nffdentl arcftect a frenuency pla wfth●u une srf●us frenuencfes f ●utpu spectrum Predfcable perf●rmance ensures peace ● mfn whe desfdnfnd wft ●ur fractf●nal- PIIs LTCLTC6946LTC6947LTC6948Integer-N,Integer-N, Family Get NoiseFractional-N Synthesizer Sales Offices © LT/FWG 0515 11.5K · Printed in U.S.ALinear Technology Corporatio1-800-4-LINEAR 408-432-1900 408-434-0507 (Fax) www.linear.comEUROPE Tel: +358 (0)46 712 2171Teknobulevardi 3-5, P.O. 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