LT6402CUD-12 LINER [Linear Technology], LT6402CUD-12 Datasheet
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LT6402CUD-12
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LT6402CUD-12 Summary of contents
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FEATURES n 300 MHz –3dB Bandwidth n Fixed Gain of 12dB n Low Distortion: 43dBm OIP3, –82dBc HD3 (20MHz Low Noise: 15dB 2.6nV/√Hz (20MHz Differential Inputs and Outputs n Additional Filtered Outputs ...
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... LT6402IUD-12#TRPBF LEAD BASED FINISH TAPE AND REEL LT6402CUD-12 LT6402CUD-12#TR LT6402IUD-12 LT6402IUD-12#TR Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. For more information on lead free part marking, go to: For more information on tape and reel specifi ...
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DC ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T shorted to +INB (+IN), –INA shorted to –INB (–IN), V SYMBOL PARAMETER I Input Voltage Range, MIN VRMIN I Input Voltage Range, MAX VRMAX R Input Resistance INDIFF C ...
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LT6402-12 AC ELECTRICAL CHARACTERISSTICS ⎯ E ⎯ N ⎯ A ⎯ B ⎯ L ⎯ 0.8V, +INA shorted to +INB (+IN), –INA shorted to –INB (–IN), V unless otherwise noted. SYMBOL PARAMETER Input/Output Characteristics –3dBBW –3dB Bandwidth 0.1dBBW ...
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AC ELECTRICAL CHARACTERISTICS ⎯ E ⎯ N ⎯ A ⎯ B ⎯ L ⎯ 0.8V, +INA shorted to +INB (+IN), –INA shorted to –INB (–IN), V unless otherwise noted. SYMBOL PARAMETER 25MHz Signal Second/Third Harmonic Distortion Third-Order IMD ...
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LT6402-12 TYPICAL PERFORMANCE CHARACTERISTICS Third Order Intermodulation Distortion vs Frequency, Differential Input LOAD –65 2 TONES 2V COMPOSITE P-P –70 1MHz TONE SPACING –75 UNFILTERED OUTPUTS –80 –85 FILTERED OUTPUTS –90 – ...
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TYPICAL PERFORMANCE CHARACTERISTICS Noise Figure vs Frequency 30 MEASURED USING DC954 DEMO BOARD 100 1000 FREQUENCY (MHz) 640212 G13 Differential Input Impedance vs Frequency 300 250 200 150 IMPEDANCE MAGNITUDE 100 50 IMPEDANCE ...
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LT6402-12 TYPICAL PERFORMANCE CHARACTERISTICS Large-Signal Transient Response 3 100Ω PER OUTPUT LOAD 3.2 2.7 2.2 1.7 1.2 TIME (10ns/DIV) 640212 G22 Turn-Off Time 4 100Ω LOAD PER OUTPUT 3.5 3.0 +OUT 2.5 2.0 –OUT 1.5 1.0 ...
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PIN FUNCTIONS V (Pin 2): This pin sets the output common mode OCM voltage. Without additional biasing, both inputs bias to this voltage as well. This input is high impedance (Pins 3, 10, 1): Positive ...
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LT6402-12 BLOCK DIAGRAM –INA 100Ω 14 –INB 100Ω 13 200Ω 200Ω +INA 100Ω 16 +INB 100Ω CCA APPLICATIONS INFORMATION Circuit Description The LT6402- low noise, low distortion differential amplifi er/ADC driver with: • –3dB bandwidth ...
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APPLICATIONS INFORMATION The LT6402-12 has been designed to minimize the need for external support components such as transformers or AC-coupling capacitors ADC driver, the LT6402-12 requires no external components except for power-supply bypass capacitors. This allows DC-coupled operation ...
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LT6402-12 APPLICATIONS INFORMATION prior to the ADC to limit input noise at the ADC, thereby improving system signal to noise ratio. Both the unfi ltered and fi ltered outputs of the LT6402-12 can easily drive the high impedance inputs of ...
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APPLICATIONS INFORMATION can also be used, but since it is being driven differentially it will appear at each fi ltered output as a single-ended capacitance of twice the value. To halve the fi lter band- width, for example, two 42pF ...
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LT6402-12 APPLICATIONS INFORMATION Large Output Voltage Swings The LT6402-12 has been designed to provide the 3.2V output swing needed by the LTC1748 family of 14-bit P low-noise ADCs. This additional output swing improves system SNR 4dB. Input ...
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PACKAGE DESCRIPTION 3.50 ± 0.05 1.45 ± 0.05 (4 SIDES) 2.10 ± 0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS 3.00 ± 0.10 PIN 1 TOP MARK (NOTE 6) NOTE: 1. DRAWING CONFORMS TO JEDEC PACKAGE OUTLINE MO-220 VARIATION (WEED-2) 2. ...
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LT6402-12 TYPICAL APPLICATION R18 0Ω GND TP1 ENABLE SW1 0Ω 49.9Ω R6 0.1μF 0Ω C21 –IN 1:1 Z-RATIO 5 1 0.1μF 2 0dB ...