Datasheet LTC2274 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | 16-Bit, 105Msps Serial Output ADC (JESD204) |
| Seiten / Seite | 40 / 3 — ANALOG INPUT. The. denotes denotes the specifi cations which apply over … |
| Dateiformat / Größe | PDF / 924 Kb |
| Dokumentensprache | Englisch |
ANALOG INPUT. The. denotes denotes the specifi cations which apply over the full operating temperature range,
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LTC2274
ANALOG INPUT The
l
denotes 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 or 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 ≤ AIN , AIN ≤ VDD (Note 10) l –1 1 μA ISENSE SENSE Input Leakage Current 0V ≤ SENSE ≤ VDD (Note 11) –3 3 μA CIN Analog Input Capacitance Sample Mode ENC+ < ENC– 6.7 pF Hold Mode ENC+ > ENC– 1.8 pF tAP Sample-and-Hold 1 ns Acquisition Delay Time tJITTER Sample-and-Hold 80 fsRMS Acquisition Delay Time Jitter CMRR Analog Input 1V < (A + – IN = AIN ) <1.5V 80 dB Common Mode Rejection Ratio BW-3dB Full Power Bandwidth RS ≤ 25Ω 700 MHz
DYNAMIC ACCURACY The
l
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) 77.6 dBFS 5MHz Input (1.5V Range, PGA = 1) 75.4 dBFS 15MHz Input (2.25V Range, PGA = 0), TA = 25°C 76.5 77.5 dBFS 15MHz Input (2.25V Range, PGA = 0) l 76.2 77.2 dBFS 15MHz Input (1.5V Range, PGA = 1) 75.3 dBFS 70MHz Input (2.25V Range, PGA = 0) 77.2 dBFS 70MHz Input (1.5V Range, PGA = 1) 75.1 dBFS 140MHz Input (2.25V Range, PGA = 0) 76.3 dBFS 140MHz Input (1.5V Range, PGA = 1), TA = 25°C 73.8 74.5 dBFS 140MHz Input (1.5V Range, PGA = 1) l 73.4 74.2 dBFS 170MHz Input (2.25V Range, PGA = 0) 75.9 dBFS 170MHz Input (1.5V Range, PGA = 1) 74.3 dBFS SFDR Spurious Free Dynamic Range 5MHz Input (2.25V Range, PGA = 0) 100 dBc 2nd or 3rd Harmonic 5MHz Input (1.5V Range, PGA = 1) 100 dBc 15MHz Input (2.25V Range, PGA = 0), TA = 25°C 85 95 dBc 15MHz Input (2.25V Range, PGA = 0) l 84 95 dBc 15MHz Input (1.5V Range, PGA = 1) 100 dBc 70MHz Input (2.25V Range, PGA = 0) 86 dBc 70MHz Input (1.5V Range, PGA = 1) 94 dBc 140MHz Input (2.25V Range, PGA = 0) 85 dBc 140MHz Input (1.5V Range, PGA = 1), TA = 25°C 81 90 dBc 140MHz Input (1.5V Range, PGA = 1) l 80 89 dBc 170MHz Input (2.25V Range, PGA = 0) 80 dBc 170MHz Input (1.5V Range, PGA = 1) 85 dBc 2274fb 3
ANALOG INPUT The
l
denotes 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 or 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 ≤ AIN , AIN ≤ VDD (Note 10) l –1 1 μA ISENSE SENSE Input Leakage Current 0V ≤ SENSE ≤ VDD (Note 11) –3 3 μA CIN Analog Input Capacitance Sample Mode ENC+ < ENC– 6.7 pF Hold Mode ENC+ > ENC– 1.8 pF tAP Sample-and-Hold 1 ns Acquisition Delay Time tJITTER Sample-and-Hold 80 fsRMS Acquisition Delay Time Jitter CMRR Analog Input 1V < (A + – IN = AIN ) <1.5V 80 dB Common Mode Rejection Ratio BW-3dB Full Power Bandwidth RS ≤ 25Ω 700 MHz
DYNAMIC ACCURACY The
l
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) 77.6 dBFS 5MHz Input (1.5V Range, PGA = 1) 75.4 dBFS 15MHz Input (2.25V Range, PGA = 0), TA = 25°C 76.5 77.5 dBFS 15MHz Input (2.25V Range, PGA = 0) l 76.2 77.2 dBFS 15MHz Input (1.5V Range, PGA = 1) 75.3 dBFS 70MHz Input (2.25V Range, PGA = 0) 77.2 dBFS 70MHz Input (1.5V Range, PGA = 1) 75.1 dBFS 140MHz Input (2.25V Range, PGA = 0) 76.3 dBFS 140MHz Input (1.5V Range, PGA = 1), TA = 25°C 73.8 74.5 dBFS 140MHz Input (1.5V Range, PGA = 1) l 73.4 74.2 dBFS 170MHz Input (2.25V Range, PGA = 0) 75.9 dBFS 170MHz Input (1.5V Range, PGA = 1) 74.3 dBFS SFDR Spurious Free Dynamic Range 5MHz Input (2.25V Range, PGA = 0) 100 dBc 2nd or 3rd Harmonic 5MHz Input (1.5V Range, PGA = 1) 100 dBc 15MHz Input (2.25V Range, PGA = 0), TA = 25°C 85 95 dBc 15MHz Input (2.25V Range, PGA = 0) l 84 95 dBc 15MHz Input (1.5V Range, PGA = 1) 100 dBc 70MHz Input (2.25V Range, PGA = 0) 86 dBc 70MHz Input (1.5V Range, PGA = 1) 94 dBc 140MHz Input (2.25V Range, PGA = 0) 85 dBc 140MHz Input (1.5V Range, PGA = 1), TA = 25°C 81 90 dBc 140MHz Input (1.5V Range, PGA = 1) l 80 89 dBc 170MHz Input (2.25V Range, PGA = 0) 80 dBc 170MHz Input (1.5V Range, PGA = 1) 85 dBc 2274fb 3