Datasheet LTC2230, LTC2231 (Analog Devices) - 3

LTC2230/LTC2231
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 9) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V + – IN Analog Input Range (AIN – AIN ) 3.1V < VDD < 3.5V (Note 7) ● ±0.5 to ±1 V V + – IN, CM Analog Input Common Mode (AIN + AIN )/2 Differential Input (Note 7) ● 1 1.6 1.9 V Single Ended Input (Note 7) ● 0.5 1.6 2.1 V I + – IN Analog Input Leakage Current 0 < AIN , AIN < VDD ● –1 1 μA ISENSE SENSE Input Leakage 0V < SENSE < 1V ● –1 1 μA IMODE MODE Pin Pull-Down Current to GND 10 μA ILVDS LVDS Pin Pull-Down Current to GND 10 μA tAP Sample and Hold Acquisition Delay Time 0 ns tJITTER Sample and Hold Acquisition Delay Time Jitter 0.15 psRMS CMRR Analog Input Common Mode Rejection Ratio 80 dB Full Power Bandwidth Figure 8 Test Circuit 775 MHz
U W DY A IC ACCURACY The
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denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. AIN = –1dBFS. (Note 4) LTC2230 LTC2231 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio (Note 10) 5MHz Input (1V Range) 59.5 59.5 dB 5MHz Input (2V Range) 61.2 61.2 dB 70MHz Input (1V Range) 59.5 59.5 dB 70MHz Input (2V Range) ● 60.4 61.1 60.4 61.1 dB 140MHz Input (1V Range) 59.4 59.4 dB 140MHz Input (2V Range) 61.0 61.0 dB 250MHz Input (1V Range) 59.0 59.0 dB 250MHz Input (2V Range) 60.6 60.6 dB SFDR Spurious Free Dynamic Range 5MHz Input (1V Range) 80 80 dB 2nd or 3rd Harmonic (Note 11) 5MHz Input (2V Range) 78 78 dB 70MHz Input (1V Range) 80 80 dB 70MHz Input (2V Range) ● 64 78 68 78 dB 140MHz Input (1V Range) 78 78 dB 140MHz Input (2V Range) 78 78 db 250MHz Input (1V Range) 75 78 dB 250MHz Input (2V Range) 74 78 dB SFDR Spurious Free Dynamic Range 5MHz Input (1V Range) 86 86 dB 4th Harmonic or Higher (Note 11) 5MHz Input (2V Range) 86 86 dB 70MHz Input (1V Range) 86 86 dB 70MHz Input (2V Range) ● 73 86 74 86 dB 140MHz Input (1V Range) 86 86 dB 140MHz Input (2V Range) 86 86 dB 250MHz Input (1V Range) 85 85 dB 250MHz Input (2V Range) 85 85 dB S/(N+D) Signal-to-Noise 5MHz Input (1V Range) 59.5 59.5 dB Plus Distortion Ratio (Note 12) 5MHz Input (2V Range) 61.2 61.2 dB 70MHz Input (1V Range) 59.5 59.5 dB 70MHz Input (2V Range) ● 59.5 61.1 60 61.1 dB IMD Intermodulation Distortion fIN1 = 138MHz, 81 81 dBc fIN2 = 140MHz 22301fb 3