Datasheet LTC2205-14 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | 14-Bit, 65Msps ADC |
| Seiten / Seite | 28 / 3 — ANALOG INPUT. The. denotes the specifi cations which apply over the full … |
| Dateiformat / Größe | PDF / 1.2 Mb |
| Dokumentensprache | Englisch |
ANALOG INPUT. The. denotes the specifi cations which apply over the full operating temperature range, otherwise
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LTC2205-14
ANALOG INPUT The
●
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 l 1.5 to 2.25 VP-P VIN, CM Analog Input Common Mode Differential Input (Note 7) l 1 1.25 1.5 V I + – IN Analog Input Leakage Current 0V ≤ A l IN , AIN ≤ VDD –1 1 μA ISENSE SENSE Input Leakage Current 0V ≤ SENSE ≤ VDD l –3 3 μA IMODE MODE Pin Pull-Down Current to GND 10 μA CIN Analog Input Capacitance Sample Mode ENC+ < ENC– 6.5 pF Hold Mode ENC+ > ENC– 1.8 pF tAP Sample-and-Hold 0.7 ns Aperature Delay Time tJITTER Sample-and-Hold 90 fsRMS Aperature Delay Time Jitter CMRR Analog Input 1V < (A + – IN = AIN ) <1.5V 60 dB Common Mode Rejection Ratio BW-3dB Full Power Bandwidth 700 MHz
DYNAMIC ACCURACY The
●
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. AIN = –1dBFS. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input (2.25V Range, PGA = 0) 78.3 dBFS 5MHz Input (1.5V Range, PGA = 1) 76.0 dBFS 15MHz Input (2.25V Range, PGA = 0) l 76.8 78.2 dBFS 15MHz Input (2.25V Range, PGA = 0) 77.2 78.2 dBFS 15MHz Input (1.5V Range, PGA = 1) 76.0 dBFS 70MHz Input (2.25V Range, PGA = 0) 77.7 dBFS 70MHz Input (1.5V Range, PGA = 1) l 74.2 75.7 dBFS 70MHz Input (1.5V Range, PGA = 1) 74.7 dBFS 140MHz Input (2.25V Range, PGA = 0) 76.4 dBFS 140MHz Input (1.5V Range, PGA = 1) 74.9 dBFS 170MHz Input (2.25V Range, PGA = 0) 75.6 dBFS 170MHz Input (1.5V Range, PGA = 1) 74.2 dBFS SFDR Spurious Free Dynamic Range 5MHz Input (2.25V Range, PGA = 0) 98 dBc 2nd or 3rd Harmonic 5MHz Input (1.5V Range, PGA = 1) 98 dBc 15MHz Input (2.25V Range, PGA = 0) l 85 98 dBc 15MHz Input (2.25V Range, PGA = 0 86 98 dBc 15MHz Input (1.5V Range, PGA = 1) 98 dBc 70MHz Input (2.25V Range, PGA = 0) 90 dBc 70MHz Input (1.5V Range, PGA = 1) l 82 92 dBc 70MHz Input (1.5V Range, PGA = 1) 83 92 dBc 140MHz Input (2.25V Range, PGA = 0) 88 dBc 140MHz Input (1.5V Range, PGA = 1) 90 dBc 170MHz Input (2.25V Range, PGA = 0) 80 dBc 170MHz Input (1.5V Range, PGA = 1) 82 dBc 220514fb 3
ANALOG INPUT The
●
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 l 1.5 to 2.25 VP-P VIN, CM Analog Input Common Mode Differential Input (Note 7) l 1 1.25 1.5 V I + – IN Analog Input Leakage Current 0V ≤ A l IN , AIN ≤ VDD –1 1 μA ISENSE SENSE Input Leakage Current 0V ≤ SENSE ≤ VDD l –3 3 μA IMODE MODE Pin Pull-Down Current to GND 10 μA CIN Analog Input Capacitance Sample Mode ENC+ < ENC– 6.5 pF Hold Mode ENC+ > ENC– 1.8 pF tAP Sample-and-Hold 0.7 ns Aperature Delay Time tJITTER Sample-and-Hold 90 fsRMS Aperature Delay Time Jitter CMRR Analog Input 1V < (A + – IN = AIN ) <1.5V 60 dB Common Mode Rejection Ratio BW-3dB Full Power Bandwidth 700 MHz
DYNAMIC ACCURACY The
●
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. AIN = –1dBFS. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input (2.25V Range, PGA = 0) 78.3 dBFS 5MHz Input (1.5V Range, PGA = 1) 76.0 dBFS 15MHz Input (2.25V Range, PGA = 0) l 76.8 78.2 dBFS 15MHz Input (2.25V Range, PGA = 0) 77.2 78.2 dBFS 15MHz Input (1.5V Range, PGA = 1) 76.0 dBFS 70MHz Input (2.25V Range, PGA = 0) 77.7 dBFS 70MHz Input (1.5V Range, PGA = 1) l 74.2 75.7 dBFS 70MHz Input (1.5V Range, PGA = 1) 74.7 dBFS 140MHz Input (2.25V Range, PGA = 0) 76.4 dBFS 140MHz Input (1.5V Range, PGA = 1) 74.9 dBFS 170MHz Input (2.25V Range, PGA = 0) 75.6 dBFS 170MHz Input (1.5V Range, PGA = 1) 74.2 dBFS SFDR Spurious Free Dynamic Range 5MHz Input (2.25V Range, PGA = 0) 98 dBc 2nd or 3rd Harmonic 5MHz Input (1.5V Range, PGA = 1) 98 dBc 15MHz Input (2.25V Range, PGA = 0) l 85 98 dBc 15MHz Input (2.25V Range, PGA = 0 86 98 dBc 15MHz Input (1.5V Range, PGA = 1) 98 dBc 70MHz Input (2.25V Range, PGA = 0) 90 dBc 70MHz Input (1.5V Range, PGA = 1) l 82 92 dBc 70MHz Input (1.5V Range, PGA = 1) 83 92 dBc 140MHz Input (2.25V Range, PGA = 0) 88 dBc 140MHz Input (1.5V Range, PGA = 1) 90 dBc 170MHz Input (2.25V Range, PGA = 0) 80 dBc 170MHz Input (1.5V Range, PGA = 1) 82 dBc 220514fb 3