Datasheet LTC2294 (Analog Devices) - 3
| Fabricante | Analog Devices |
| Descripción | Dual 12-Bit, 80Msps Low Power 3V ADC |
| Páginas / Página | 24 / 3 — A ALOG I PUT The. denotes the specifications which apply over the full … |
| Formato / tamaño de archivo | PDF / 734 Kb |
| Idioma del documento | Inglés |
A ALOG I PUT The. denotes the specifications which apply over the full operating temperature range, otherwise
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LTC2294
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 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V + – IN Analog Input Range (AIN –AIN ) 2.7V < VDD < 3.4V (Note 7) ● ±0.5 to ±1 V V + – IN,CM Analog Input Common Mode (AIN +AIN )/2 Differential Input (Note 7) ● 1 1.5 1.9 V Single Ended Input (Note 7) ● 0.5 1.5 2 V I + – IN Analog Input Leakage Current 0V < AIN , AIN < VDD ● –1 1 µA ISENSE SENSEA, SENSEB Input Leakage 0V < SENSEA, SENSEB < 1V ● –3 3 µA IMODE MODE Input Leakage Current 0V < MODE < VDD ● –3 3 µA tAP Sample-and-Hold Acquisition Delay Time 0 ns tJITTER Sample-and-Hold Acquisition Delay Time Jitter 0.2 psRMS CMRR Analog Input Common Mode Rejection Ratio 80 dB Full Power Bandwidth Figure 8 Test Circuit 575 MHz
U W DY A IC ACCURACY The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. AIN = –1dBFS. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input 70.6 dB 40MHz Input ● 69.1 70.6 dB 70MHz Input 70.6 dB 140MHz Input 70.3 dB SFDR Spurious Free Dynamic Range 5MHz Input 90 dB 2nd or 3rd Harmonic 40MHz Input ● 74 90 dB 70MHz Input 90 dB 140MHz Input 85 dB SFDR Spurious Free Dynamic Range 5MHz Input 90 dB 4th Harmonic or Higher 40MHz Input ● 79 90 dB 70MHz Input 90 dB 140MHz Input 90 dB S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input 70.6 dB 40MHz Input ● 68.7 70.5 dB 70MHz Input 70.5 dB 140MHz Input 70 dB IMD Intermodulation Distortion fIN = 40MHz, 41MHz 90 dB Crosstalk fIN = 100MHz –110 dB 2294fa 3
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 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V + – IN Analog Input Range (AIN –AIN ) 2.7V < VDD < 3.4V (Note 7) ● ±0.5 to ±1 V V + – IN,CM Analog Input Common Mode (AIN +AIN )/2 Differential Input (Note 7) ● 1 1.5 1.9 V Single Ended Input (Note 7) ● 0.5 1.5 2 V I + – IN Analog Input Leakage Current 0V < AIN , AIN < VDD ● –1 1 µA ISENSE SENSEA, SENSEB Input Leakage 0V < SENSEA, SENSEB < 1V ● –3 3 µA IMODE MODE Input Leakage Current 0V < MODE < VDD ● –3 3 µA tAP Sample-and-Hold Acquisition Delay Time 0 ns tJITTER Sample-and-Hold Acquisition Delay Time Jitter 0.2 psRMS CMRR Analog Input Common Mode Rejection Ratio 80 dB Full Power Bandwidth Figure 8 Test Circuit 575 MHz
U W DY A IC ACCURACY The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. AIN = –1dBFS. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input 70.6 dB 40MHz Input ● 69.1 70.6 dB 70MHz Input 70.6 dB 140MHz Input 70.3 dB SFDR Spurious Free Dynamic Range 5MHz Input 90 dB 2nd or 3rd Harmonic 40MHz Input ● 74 90 dB 70MHz Input 90 dB 140MHz Input 85 dB SFDR Spurious Free Dynamic Range 5MHz Input 90 dB 4th Harmonic or Higher 40MHz Input ● 79 90 dB 70MHz Input 90 dB 140MHz Input 90 dB S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input 70.6 dB 40MHz Input ● 68.7 70.5 dB 70MHz Input 70.5 dB 140MHz Input 70 dB IMD Intermodulation Distortion fIN = 40MHz, 41MHz 90 dB Crosstalk fIN = 100MHz –110 dB 2294fa 3