Datasheet LTC2217 (Analog Devices) - 3

LTC2217
The ANALOG INPUT
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denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V + – IN Analog Input Range (AIN – AIN ) 3.135V ≤ VDD ≤ 3.465V 2.75 VP-P VIN, CM Analog Input Common Mode Differential Input (Note 7) ● 1.2 1.575 1.8 V I + – IN Analog Input Leakage Current 0V ≤ A ● IN , AIN ≤ VDD –1 1 μA ISENSE SENSE Input Leakage Current 0V ≤ SENSE ≤ VDD ● –3 3 μA IMODE MODE Pin Pull-Down Current to GND 10 μA ILVDS LVDS Pin Pull-Down Current to GND 10 μA CIN Analog Input Capacitance Sample Mode ENC+ < ENC– 9.1 pF Hold Mode ENC+ > ENC– 1.8 pF tAP Sample-and-Hold 0.35 ns Acquisition Delay Time tJITTER Sample-and-Hold 85 fs RMS Aperture Jitter CMRR Analog Input 1.2V < (A + – IN = AIN ) <1.8V 80 dB Common Mode Rejection Ratio BW-3dB Full Power Bandwidth RS < 25Ω 400 MHz
The DYNAMIC ACCURACY
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denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. AIN = –1dBFS with 2.75V range unless otherwise noted. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input 81.2 dBFS 15MHz Input, TA = 25°C 80.4 81.1 dBFS 15MHz Input ● 80.1 80.7 dBFS 30MHz Input, TA = 25°C 81.1 dBFS 70MHz Input, TA = 25°C 79.6 80.4 dBFS 70MHz Input ● 79.3 80.1 dBFS 140MHz Input 78.8 dBFS SFDR Spurious Free 5MHz Input 100 dBc Dynamic Range 15MHz Input, T 88 100 dBc 2nd or 3rd Harmonic A = 25°C 15MHz Input ● 87 99 dBc 30MHz Input 95 dBc 70MHz Input, TA = 25°C 85 92 dBc 70MHz Input ● 83 88 dBc 140MHz Input 85 dBc SFDR Spurious Free Dynamic Range 5MHz Input 105 dBc 4th Harmonic or Higher 15MHz Input ● 93 105 dBc 30MHz Input 105 dBc 70MHz Input ● 93 103 dBc 140MHz Input 95 dBc 2217f 3