Datasheet LTC2298, LTC2297, LTC2296 (Analog Devices) - 3

LTC2298/LTC2297/LTC2296
U U A ALOG I PUT The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V + – IN Analog Input Range (AIN –AIN ) 2.7V < VDD < 3.4V (Note 7) ● ±0.5V to ±1V V V + – IN,CM Analog Input Common Mode (AIN +AIN )/2 Differential Input (Note 7) ● 1 1.5 1.9 V Single Ended Input (Note 7) ● 0.5 1.5 2 V I + – IN Analog Input Leakage Current 0V < AIN , AIN < VDD ● –1 1 µA ISENSE SENSEA, SENSEB Input Leakage 0V < SENSEA, SENSEB < 1V ● –3 3 µA IMODE MODE Input Leakage Current 0V < MODE < VDD ● –3 3 µA tAP Sample-and-Hold Acquisition Delay Time 0 ns tJITTER Sample-and-Hold Acquisition Delay Time Jitter 0.2 psRMS CMRR Analog Input Common Mode Rejection Ratio 80 dB Full Power Bandwidth Figure 8 Test Circuit 575 MHz
U W DY A IC ACCURACY The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. AIN = –1dBFS. (Note 4) LTC2298 LTC2297 LTC2296 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input 74.3 74.4 74.5 dB 12.5MHz Input ● 72.7 74.2 dB 20MHz Input ● 72.4 74.4 dB 30MHz Input ● 72.1 74.3 dB 70MHz Input 74.3 73.9 73.4 dB 140MHz Input 73.9 73.3 73 dB SFDR Spurious Free 5MHz Input 90 90 90 dB Dynamic Range 12.5MHz Input ● 76 90 dB 2nd or 3rd 20MHz Input ● 75 90 dB Harmonic 30MHz Input ● 75 90 dB 70MHz Input 85 85 85 dB 140MHz Input 80 80 80 dB SFDR Spurious Free 5MHz Input 90 90 90 dB Dynamic Range 12.5MHz Input ● 80 90 dB 4th Harmonic 20MHz Input ● 80 90 dB or Higher 30MHz Input ● 78 90 dB 70MHz Input 90 90 90 dB 140MHz Input 90 90 90 dB S/(N+D) Signal-to-Noise 5MHz Input 74.3 74.4 74.5 dB Plus Distortion 12.5MHz Input ● 72.2 74.2 dB Ratio 20MHz Input ● 71.9 74.3 dB 30MHz Input ● 71.6 74.2 dB 70MHz Input 74.1 73.6 73.4 dB 140MHz Input 71.9 71.9 71.8 dB IMD Intermodulation fIN = Nyquist, 90 90 90 dB Distortion Nyquist + 1MHz Crosstalk fIN = Nyquist –110 –110 –110 dB 229876fa 3