LTC6416IDDB#TRMPBF

LTC6416IDDB#TRMPBF is a differential unity gain buffer designed to drive 16bit ADCs with extremely low output noise and excellent linearity beyond 300MHz. Differential input impedance is 12Kohm, allowing 1:4 and 1:8 transformers to be used at the input to achieve additional system gain. With no external biasing or gain setting components and a flow-through pinout, it is very easy to use. It can be DC-coupled and has a common mode output offset of -40mV. If the input signals are AC-coupled, the LTC6416 input pins are internally biased to provide an output common mode voltage that is set by the voltage on the VCM pin. In addition, the device has high-speed, fast recovery clamping circuitry to limit output signal swing. Applications include differential ADC driver, IF sampling receivers, impedance transformer, SAW filter interface, and CCD buffer.

• Programmable high speed, fast recovery output clamping
• DC-coupled signal path, single supply operation range from 2.7V to 3.9V
• Supply current is 42mA typical at (TA = 25°C, V+ = 3.6V, GND = 0V)
• 2GHz typical -3dB bandwidth at (200mVP-P,OUT differential, TA = 25°C)
• ±0.1dB bandwidth is 0.3GHz typical at (200mVP-P,OUT differential, TA = 25°C)
• Slew rate is 3.4V/ns typical at (TA = 25°C, V+ = 3.3V and 3.6V)
• Input noise voltage density is 1.8nV/√Hz typical at (f = 100KHz, TA = 25°C)
• Output third order intercept (equivalent) is 46.25dBm typ at (V+ =3.6V, VCM=1.25V, VOUTDIFF = 2VP-P)
• Second harmonic distortion is -81dBc typ at (V+ = 3.6V, VCM = 1.25V, VOUTDIFF = 2VP-P)
• Operating temperature range from -40°C to 85°C, 10-lead plastic DFN package

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party