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LTC2227IUH Datasheet(PDF) 4 Page - Linear Technology |
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LTC2227IUH Datasheet(HTML) 4 Page - Linear Technology |
4 / 28 page LTC2228/LTC2227/LTC2226 4 222876fb DYNAMIC ACCURACY The l 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 LTC2228 LTC2227 LTC2226 UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX SFDR Spurious Free Dynamic Range 4th Harmonic or Higher 5MHz Input 95 95 95 dB 12.5MHz Input l 82 95 dB 20MHz Input l 82 95 dB 30MHz Input l 82 95 dB 70MHz Input 95 95 95 dB 140MHz Input 90 90 90 dB S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input 71.3 71.4 71.4 dB 12.5MHz Input l 69.8 71.2 dB 20MHz Input l 69.7 71.2 dB 30MHz Input l 69.6 71.2 dB 70MHz Input 71.1 70.9 70.8 dB 140MHz Input 69.9 69.9 69.8 dB IMD Intermodulation Distortion fIN1 = 28.2MHz, fIN2 = 26.8MHz 90 90 90 dB 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 INTERNAL REFERENCE CHARACTERISTICS (Note 4) DIGITAL INPUTS AND DIGITAL OUTPUTS The l 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 LOGIC INPUTS (CLK, OE, SHDN) VIH High Level Input Voltage VDD = 3V l 2V VIL Low Level Input Voltage VDD = 3V l 0.8 V IIN Input Current VIN = 0V to VDD l –10 10 μA CIN Input Capacitance (Note 7) 3 pF LOGIC OUTPUTS OVDD = 3V COZ Hi-Z Output Capacitance OE = High (Note 7) 3 pF ISOURCE Output Source Current VOUT = 0V 50 mA ISINK Output Sink Current VOUT = 3V 50 mA VOH High Level Output Voltage IO = –10μA IO = –200μA l 2.7 2.995 2.99 V V VOL Low Level Output Voltage IO = 10μA IO = 1.6mA l 0.005 0.09 0.4 V V OVDD = 2.5V VOH High Level Output Voltage IO = –200μA 2.49 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V OVDD = 1.8V VOH High Level Output Voltage IO = –200μA 1.79 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V |
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