Datasheet LTC2284 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Dual 14-Bit, 105Msps Low Power 3V ADC |
| Pages / Page | 24 / 3 — A ALOG I PUT The. denotes the specifications which apply over the full … |
| File Format / Size | PDF / 724 Kb |
| Document Language | English |
A ALOG I PUT The. denotes the specifications which apply over the full operating temperature range, otherwise
Model Line for this Datasheet
Text Version of Document
LTC2284
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 ) 2.85V < VDD < 3.4V (Note 7) ● ±0.5V to ±1V V V + – IN,CM Analog Input Common Mode (AIN +AIN )/2 Differential Input Drive (Note 7) ● 1 1.5 1.9 V Single Ended Input Drive (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 72.4 dB 30MHz Input 72.3 dB 70MHz Input ● 69.4 72.2 dB 140MHz Input 71.7 dB SFDR Spurious Free Dynamic Range 5MHz Input 88 dB 2nd or 3rd Harmonic 30MHz Input 86 dB 70MHz Input ● 72 84 dB 140MHz Input 80 dB SFDR Spurious Free Dynamic Range 5MHz Input 90 dB 4th Harmonic or Higher 30MHz Input 90 dB 70MHz Input ● 80 90 dB 140MHz Input 90 dB S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input 72.2 dB 30MHz Input 72.1 dB 70MHz Input ● 68.4 71.9 dB 140MHz Input 70.5 dB IMD Intermodulation Distortion fIN = 40MHz, 85 dB 41MHz Crosstalk fIN = 100MHz –110 dB 2284fa 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 ) 2.85V < VDD < 3.4V (Note 7) ● ±0.5V to ±1V V V + – IN,CM Analog Input Common Mode (AIN +AIN )/2 Differential Input Drive (Note 7) ● 1 1.5 1.9 V Single Ended Input Drive (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 72.4 dB 30MHz Input 72.3 dB 70MHz Input ● 69.4 72.2 dB 140MHz Input 71.7 dB SFDR Spurious Free Dynamic Range 5MHz Input 88 dB 2nd or 3rd Harmonic 30MHz Input 86 dB 70MHz Input ● 72 84 dB 140MHz Input 80 dB SFDR Spurious Free Dynamic Range 5MHz Input 90 dB 4th Harmonic or Higher 30MHz Input 90 dB 70MHz Input ● 80 90 dB 140MHz Input 90 dB S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input 72.2 dB 30MHz Input 72.1 dB 70MHz Input ● 68.4 71.9 dB 140MHz Input 70.5 dB IMD Intermodulation Distortion fIN = 40MHz, 85 dB 41MHz Crosstalk fIN = 100MHz –110 dB 2284fa 3
