Datasheet LTC2240-10 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | 10-Bit, 170Msps ADC |
| Seiten / Seite | 28 / 3 — CONVERTER CHARACTERISTICS The. denotes the specifi cations which apply … |
| Dateiformat / Größe | PDF / 480 Kb |
| Dokumentensprache | Englisch |
CONVERTER CHARACTERISTICS The. denotes the specifi cations which apply over the full operating
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LTC2240-10
CONVERTER CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) l 10 Bits Integral Linearity Error Differential Analog Input (Note 5) l –0.8 ±0.3 0.8 LSB Differential Linearity Error Differential Analog Input l –0.6 ±0.1 0.6 LSB Offset Error (Note 6) l –15 ±5 15 mV Gain Error External Reference l –3.8 ±0.7 3.8 %FS Offset Drift ±10 μV/C Full-Scale Drift Internal Reference ±60 ppm/C External Reference ±45 ppm/C Transition Noise SENSE = 1V 0.18 LSBRMS
ANALOG INPUT The
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 ) 2.375V < VDD < 2.625V (Note 7) l ±0.5 to ±1 V V + – IN, CM Analog Input Common Mode (AIN + AIN )/2 Differential Input (Note 7) l 1.2 1.25 1.3 V I + – IN Analog Input Leakage Current 0 < AIN , AIN < VDD l –1 1 μA ISENSE SENSE Input Leakage 0V < SENSE < 1V l –1 1 μA IMODE MODE Pin Pull-Down Current to GND 7 μA ILVDS LVDS Pin Pull-Down Current to GND 7 μA tAP Sample and Hold Acquisition Delay Time 0.4 ns tJITTER Sample and Hold Acquisition Delay Time Jitter 95 fsRMS Full Power Bandwidth Figure 8 Test Circuit 1200 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 (Note 10) 10MHz Input 60.6 dB 70MHz Input l 59.7 60.6 dB 140MHz Input 60.5 dB 240MHz Input 60.5 dB SFDR Spurious Free Dynamic Range 10MHz Input 80 dB 2nd or 3rd Harmonic 70MHz Input l 65 75 dB (Note 11) 140MHz Input 74 dB 240MHz Input 72 dB Spurious Free Dynamic Range 10MHz Input 85 dB 4th Harmonic or Higher 70MHz Input l 74 85 dB (Note 11) 140MHz Input 85 dB 240MHz Input 85 dB 224010fb 3
CONVERTER CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) l 10 Bits Integral Linearity Error Differential Analog Input (Note 5) l –0.8 ±0.3 0.8 LSB Differential Linearity Error Differential Analog Input l –0.6 ±0.1 0.6 LSB Offset Error (Note 6) l –15 ±5 15 mV Gain Error External Reference l –3.8 ±0.7 3.8 %FS Offset Drift ±10 μV/C Full-Scale Drift Internal Reference ±60 ppm/C External Reference ±45 ppm/C Transition Noise SENSE = 1V 0.18 LSBRMS
ANALOG INPUT The
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 ) 2.375V < VDD < 2.625V (Note 7) l ±0.5 to ±1 V V + – IN, CM Analog Input Common Mode (AIN + AIN )/2 Differential Input (Note 7) l 1.2 1.25 1.3 V I + – IN Analog Input Leakage Current 0 < AIN , AIN < VDD l –1 1 μA ISENSE SENSE Input Leakage 0V < SENSE < 1V l –1 1 μA IMODE MODE Pin Pull-Down Current to GND 7 μA ILVDS LVDS Pin Pull-Down Current to GND 7 μA tAP Sample and Hold Acquisition Delay Time 0.4 ns tJITTER Sample and Hold Acquisition Delay Time Jitter 95 fsRMS Full Power Bandwidth Figure 8 Test Circuit 1200 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 (Note 10) 10MHz Input 60.6 dB 70MHz Input l 59.7 60.6 dB 140MHz Input 60.5 dB 240MHz Input 60.5 dB SFDR Spurious Free Dynamic Range 10MHz Input 80 dB 2nd or 3rd Harmonic 70MHz Input l 65 75 dB (Note 11) 140MHz Input 74 dB 240MHz Input 72 dB Spurious Free Dynamic Range 10MHz Input 85 dB 4th Harmonic or Higher 70MHz Input l 74 85 dB (Note 11) 140MHz Input 85 dB 240MHz Input 85 dB 224010fb 3