Datasheet LTC2208 (Analog Devices) - 3
| Fabricante | Analog Devices |
| Descripción | 16-Bit, 130Msps ADC |
| Páginas / Página | 32 / 3 — The. ANALOG INPUT. denotes the specifi cations which apply over the full … |
| Formato / tamaño de archivo | PDF / 987 Kb |
| Idioma del documento | Inglés |
The. ANALOG INPUT. denotes the specifi cations which apply over the full operating temperature range, otherwise
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LTC2208
The ANALOG INPUT
l
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 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 ≤ 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 ILVDS LVDS 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 1 ns Acquisition Delay Time tJITTER Sample-and-Hold 70 fs RMS 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
The DYNAMIC ACCURACY
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) 77.7 dBFS 5MHz Input (1.5V Range, PGA = 1) 75.3 dBFS 30MHz Input (2.25V Range, PGA = 0) TA = 25°C 76.5 77.6 dBFS 30MHz Input (2.25V Range, PGA = 0) l 76.1 77.3 dBFS 30MHz Input (1.5V Range, PGA = 1) 75.2 dBFS 70MHz Input (2.25V Range, PGA = 0) 77.5 dBFS 70MHz Input (1.5V Range, PGA = 1) 75.1 dBFS 140MHz Input (2.25V Range, PGA = 0) 76.9 dBFS 140MHz Input (1.5V Range, PGA = 1) TA = 25°C 73.8 74.8 dBFS 140MHz Input (1.5V Range, PGA = 1) l 73.4 74.5 dBFS 250MHz Input (2.25V Range, PGA = 0) 75.4 dBFS 250MHz Input (1.5V Range, PGA =1) 73.8 dBFS SFDR Spurious Free 5MHz Input (2.25V Range, PGA = 0) 100 dBc Dynamic Range 5MHz Input (1.5V Range, PGA = 1) 100 dBc 2nd or 3rd Harmonic 30MHz Input (2.25V Range, PGA = 0) TA = 25°C 88 95 dBc 30MHz Input (2.25V Range, PGA = 0) l 87 94 dBc 30MHz Input (1.5V Range, PGA = 1) 100 dBc 70MHz Input (2.25V Range, PGA = 0) 90 dBc 70MHz Input (1.5V Range, PGA = 1) 95 dBc 140MHz Input (2.25V Range, PGA = 0) 85 dBc 140MHz Input (1.5V Range, PGA = 1) TA = 25°C 86 90 dBc 140MHz Input (1.5V Range, PGA = 1) l 84 89 dBc 250MHz Input (2.25V Range, PGA = 0) 78 dBc 250MHz Input (1.5V Range, PGA = 1) 83 dBc 2208fc 3
The ANALOG INPUT
l
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 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 ≤ 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 ILVDS LVDS 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 1 ns Acquisition Delay Time tJITTER Sample-and-Hold 70 fs RMS 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
The DYNAMIC ACCURACY
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) 77.7 dBFS 5MHz Input (1.5V Range, PGA = 1) 75.3 dBFS 30MHz Input (2.25V Range, PGA = 0) TA = 25°C 76.5 77.6 dBFS 30MHz Input (2.25V Range, PGA = 0) l 76.1 77.3 dBFS 30MHz Input (1.5V Range, PGA = 1) 75.2 dBFS 70MHz Input (2.25V Range, PGA = 0) 77.5 dBFS 70MHz Input (1.5V Range, PGA = 1) 75.1 dBFS 140MHz Input (2.25V Range, PGA = 0) 76.9 dBFS 140MHz Input (1.5V Range, PGA = 1) TA = 25°C 73.8 74.8 dBFS 140MHz Input (1.5V Range, PGA = 1) l 73.4 74.5 dBFS 250MHz Input (2.25V Range, PGA = 0) 75.4 dBFS 250MHz Input (1.5V Range, PGA =1) 73.8 dBFS SFDR Spurious Free 5MHz Input (2.25V Range, PGA = 0) 100 dBc Dynamic Range 5MHz Input (1.5V Range, PGA = 1) 100 dBc 2nd or 3rd Harmonic 30MHz Input (2.25V Range, PGA = 0) TA = 25°C 88 95 dBc 30MHz Input (2.25V Range, PGA = 0) l 87 94 dBc 30MHz Input (1.5V Range, PGA = 1) 100 dBc 70MHz Input (2.25V Range, PGA = 0) 90 dBc 70MHz Input (1.5V Range, PGA = 1) 95 dBc 140MHz Input (2.25V Range, PGA = 0) 85 dBc 140MHz Input (1.5V Range, PGA = 1) TA = 25°C 86 90 dBc 140MHz Input (1.5V Range, PGA = 1) l 84 89 dBc 250MHz Input (2.25V Range, PGA = 0) 78 dBc 250MHz Input (1.5V Range, PGA = 1) 83 dBc 2208fc 3