Datasheet LTC2229 (Analog Devices) - 3

HerstellerAnalog Devices
Beschreibung12-Bit, 80Msps Low Power 3V ADC
Seiten / Seite24 / 3 — A ALOG I PUT The. denotes the specifications which apply over the full …
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DokumentenspracheEnglisch

A ALOG I PUT The. denotes the specifications which apply over the full operating temperature range, otherwise

A ALOG I PUT The denotes the specifications which apply over the full operating temperature range, otherwise

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LTC2229
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 SENSE Input Leakage 0V < SENSE < 1V ● –3 3 µA IMODE MODE Pin Leakage ● –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
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 ● 68.9 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 95 dB 4th Harmonic or Higher 40MHz Input ● 80 95 dB 70MHz Input 95 dB 140MHz Input 90 dB S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input 70.6 dB 40MHz Input ● 68.5 70.5 dB 70MHz Input 70.5 dB 140MHz Input 70 dB IMD Intermodulation Distortion fIN1 = 28.2MHz, fIN2 = 26.8MHz 90 dB Full Power Bandwidth Figure 8 Test Circuit 575 MHz
U U U I TER AL REFERE CE CHARACTERISTICS (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 1.475 1.500 1.525 V VCM Output Tempco ±25 ppm/°C VCM Line Regulation 2.7V < VDD < 3.4V 3 mV/V VCM Output Resistance –1mA < IOUT < 1mA 4 Ω 2229fa 3