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LT6402IUD-6-PBF Datasheet(PDF) 1 Page - Linear Technology |
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LT6402IUD-6-PBF Datasheet(HTML) 1 Page - Linear Technology |
1 / 16 page 1 64026fa LT6402-6 300MHz Low Distortion, Low Noise Differential Amplifier/ ADC Driver (AV = 6dB) The LT®6402-6 is a low distortion, low noise differential amplifier/ADC driver for use in applications from DC to 300MHz. The LT6402-6 has been designed for ease of use, with minimal support circuitry required. Exceptionally low input-referred noise and low distortion (with either single-ended or differential inputs) make the LT6402-6 an excellent solution for driving high speed 12-bit and 14-bit ADCs. In addition to the normal unfiltered outputs (+OUT and –OUT), the LT6402-6 has a built-in 75MHz differential low pass filter and an additional pair of filtered outputs (+OUTFILTERED, –OUTFILTERED) to reduce external fil- tering components when driving high speed ADCs. The output common mode voltage is easily set via the VOCM pin, eliminating an output transformer or AC-coupling capacitors in many applications. The LT6402-6 is designed to meet the demanding require- ments of communications transceiver applications. It can be used as a differential ADC driver, a general-purpose differential gain block, or in other applications requir- ing differential drive. The LT6402-6 can be used in data acquisition systems required to function at frequencies down to DC. TheLT6402-6operatesona5Vsupplyandconsumes30mA. It comes in a compact 16-lead 3mm × 3mm QFN package and operates over a –40°C to 85°C temperature range. n Differential ADC Driver for: Imaging Communications n Differential Driver/Receiver n Single Ended to Differential Conversion n Differential to Single Ended Conversion n Level Shifting n IF Sampling Receivers n SAW Filter Interfacing/Buffering n 300 MHz –3dB Bandwidth n Fixed Gain of 6dB n Low Distortion: 49dBm OIP3, –85dBc HD3 (20MHz, 2VP-P) n Low Noise: 18.6dB NF, en = 3.8nV/√Hz (20MHz) n Differential Inputs and Outputs n Additional Filtered Outputs n Adjustable Output Common Mode Voltage n DC- or AC-Coupled Operation n Minimal Support Circuitry Required n Small 0.75mm Profile 16-Lead 3mm × 3mm QFN Package Distortion vs Frequency, Differential Input, No RLOAD TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. 64026 TA01a IF IN LT6402-6 –INA –INB VOCM VCC VEE 5V +INB +INA 10Ω 10Ω LTC ®2249 0.1μF 0.1μF 0.1μF 0.1μF +OUT –OUT AIN+ AIN– VCM FREQUENCY (MHz) 1 –100 –90 –80 –70 –60 –40 10 100 64026 TA01b –50 FILTERED OUTPUTS VOUT = 2VP-P HD3 HD2 |
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