LTC6421IUDC-20#PBF Linear Technology, LTC6421IUDC-20#PBF Datasheet
LTC6421IUDC-20#PBF
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LTC6421IUDC-20#PBF Summary of contents
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... The LTC6421-20 is packaged in a compact 20-lead 3mm × 4mm QFN package and operates over the – 40°C to 85°C temperature range. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. V ...
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... LEAD FREE FINISH TAPE AND REEL LTC6421CUDC-20#PBF LTC6421CUDC-20#TRPBF LDDN LTC6421IUDC-20#PBF LTC6421IUDC-20#TRPBF Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. ...
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DC ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T otherwise noted. SYMBOL PARAMETER Input/Output Characteristic G Gain DIFF ΔG Gain Matching TC Gain Temperature Drift GAIN V Output Swing Low (V = 1.5V) SWINGMIN OCM V Output Swing ...
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LTC6421-20 AC ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T noted. SYMBOL PARAMETER ΔG Gain Matching ΔP Phase Matching Channel Separation (Note 8) –3dBBW –3dB Bandwidth 0.5dBBW Bandwidth for 0.5dB Flatness 0.1dBBW Bandwidth for 0.1dB Flatness NF Noise ...
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TYPICAL PERFORMANCE CHARACTERISTICS Channel-to-Channel Gain Match vs Frequency 0.5 0.4 0.3 0.2 0.1 0 –0.1 –0.2 – 0.3 – 0.4 – 0.5 10 100 1000 2000 FREQUENCY (MHz) 642120 G01 Frequency Response 25 TEST CIRCUIT ...
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LTC6421-20 TYPICAL PERFORMANCE CHARACTERISTICS Overdrive Transient Response 2 87.5Ω PER OUTPUT L – OUT 2.0 1.5 1.0 0.5 +OUT 100 150 200 TIME (ns) 642120 G10 Equivalent Output Third Order Intercept vs Frequency 70 DIFFERENTIAL ...
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PIN FUNCTIONS +INA, –INA, –INB, +INB (Pins 6): Differential Inputs of A and B channel respectively. – V (Pins 3, 4, 13, 14, 21): Negative Power Supply. All four pins, as well as the exposed back, must ...
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LTC6421-20 APPLICATIONS INFORMATION Circuit Operation Each of the two channels of the LTC6421-20 is composed of a fully differential amplifi er with on chip feedback and output common mode voltage control circuitry. Differential gain and input impedance are set by ...
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APPLICATIONS INFORMATION Referring to Figure 3, LTC6421-20 can be easily confi gured for single-ended input and differential output without a balun. The signal is fed to one of the inputs through a matching network while the other input is connected ...
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LTC6421-20 APPLICATIONS INFORMATION voltage with a 0.1μF bypass capacitor. When interfacing with A/D converters such as the LTC22xx families, the V pin can be connected to the V OCM Driving A/D Converters The LTC6421-20 has been specifi cally designed to ...
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APPLICATIONS INFORMATION Figure 4a. Top Silkscreen of DC1299 (Test Circuit A) LTC6421-20 642120fb 11 ...
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LTC6421-20 APPLICATIONS INFORMATION + V R1 1.21k 1% TD4 V OCMA R2 TD5 1k GND 1% C22 C21 0.1μ +INA [2] 2 C22 • • [ ...
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TYPICAL APPLICATIONS 0.1μF PORT 1 +INA (50 ) 1/2 200 –INA AGILENT E5071C 0.1μF PORT 2 ( – IN Test Circuit B, 4-Port Measurements (Only the Signal-Path Connections Are Shown 1000 G OUT ...
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LTC6421-20 PACKAGE DESCRIPTION 3.50 ± 0.05 2.10 ± 0.05 1.50 REF 1.65 ± 0.05 0.25 ±0.05 0.50 BSC RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED PIN 1 TOP MARK (NOTE 6) 4.00 ...
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... Changes to Applications Changes to Related Parts Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. LTC6421-20 ...
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... Noise, –72dBc Distortion at 50MHz, 18mA 16mA Supply Current, IMD3 = –83dBc at 70MHz, A www.linear.com ● 0.1μF 1/2 LTC2285 V CM 642120 TA03 = 1.5nV/Hz, Distortion < –90dBc at 10MHz n = 1.5nV/Hz, Distortion < –95dBc at 10MHz = 1.5nV/Hz, Distortion < –98dBc at 10MHz = 1, – 0310 REV B • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2008 642120fb ...