Datasheet LT1993-10 (Analog Devices) - 9

LT1993-10
TYPICAL PERFORMANCE CHARACTERISTICS 30MHz 8192 Point FFT, LT1993-10 50MHz 8192 Point FFT, LT1993-10 70MHz 8192 Point FFT, LT1993-10 Driving LT2249 14-Bit ADC Driving LTC2249 14-Bit ADC Driving LTC2249 14-Bit ADC
0 0 0 –10 8192 POINT FFT –10 8192 POINT FFT –10 8192 POINT FFT fIN = 30MHz, –1dBFS fIN = 50MHz, –1dBFS fIN = 70MHz, –1dBFS –20 FILTERED OUTPUTS –20 FILTERED OUTPUTS –20 FILTERED OUTPUTS –30 –30 –30 –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 –90 –90 –90 –100 –100 –100 –110 –110 –110 –120 –120 –120 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 199310 G28 199310 G29 199310 G30
70MHz 2-Tone 32768 Point FFT 2-Tone WCDMA Waveform 4-Tone WCDMA Waveform LT1993-10 Driving LTC2249 LT1993-10 Driving LTC2255 LT1993-10 Driving LTC2255 14-Bit ADC 14-Bit ADC at 92.16Msps 14-Bit ADC at 92.16Msps
0 0 0 –10 32768 POINT FFT –10 32768 POINT FFT –10 32768 POINT FFT TONE 1 AT 69.5MHz, –7dBFS TONE CENTER FREQUENCIES TONE CENTER FREQUENCIES –20 TONE 2 AT 70.5MHz, –7dBFS –20 AT 67.5MHz, 72.5MHz –20 AT 62.5MHz, 67.5MHz, –30 FILTERED OUTPUTS –30 –30 72.5MHz, 77.5MHz –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 –90 –90 –90 –100 –100 –100 –110 –110 –110 –120 –120 –120 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 45 0 5 10 15 20 25 30 35 40 45 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 199310 G31 199310 G32 199310 G33 Rev C For more information www.analog.com 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information DC Electrical Characteristics AC Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Application Package Description Revision History Typical Application Related Parts