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LTC2259CUJ-16 Datasheet(PDF) 4 Page - Linear Technology |
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LTC2259CUJ-16 Datasheet(HTML) 4 Page - Linear Technology |
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4 / 28 page  LTC2259-16 4 225916f 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 5) INTERNAL REFERENCE CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS VCM Output Voltage IOUT = 0 0.5 • VDD – 25mV 0.5 • VDD 0.5 • VDD + 25mV V VCM Output Temperature Drift ±25 ppm/°C VCM Output Resistance –600μA < IOUT < 1mA 4 Ω VREF Output Voltage IOUT = 0 1.225 1.250 1.275 V VREF Output Temperature Drift ±25 ppm/°C VREF Output Resistance –400μA < IOUT < 1mA 7 Ω VREF Line Regulation 1.7V < VDD < 1.9V 0.6 mV/V SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS ENCODE INPUTS (ENC+, ENC–) Differential Encode Mode (ENC– Not Tied to GND) VID Differential Input Voltage (Note 8) l 0.2 V VICM Common Mode Input Voltage Internally Set Externally Set (Note 8) l 1.1 1.2 1.6 V V VIN Input Voltage Range ENC+, ENC– to GND l 0.2 3.6 V RIN Input Resistance (See Figure 10) 10 kΩ CIN Input Capacitance (Note 8) 3.5 pF Single-Ended Encode Mode (ENC– Tied to GND) VIH High Level Input Voltage VDD = 1.8V l 1.2 V VIL Low Level Input Voltage VDD = 1.8V l 0.6 V VIN Input Voltage Range ENC+ to GND l 0 3.6 V RIN Input Resistance (See Figure 11) 30 kΩ CIN Input Capacitance (Note 8) 3.5 pF DIGITAL INPUTS (CS, SDI, SCK) VIH High Level Input Voltage VDD = 1.8V l 1.3 V VIL Low Level Input Voltage VDD = 1.8V l 0.6 V IIN Input Current VIN = 0V to 3.6V l –10 10 μA CIN Input Capacitance (Note 8) 3 pF DIGITAL INPUTS AND OUTPUTS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS SFDR Spurious Free Dynamic Range 2nd or 3rd Harmonic 5MHz Input 70MHz Input 140MHz Input l 79 88 85 82 dBFS dBFS dBFS Spurious Free Dynamic Range 4th Harmonic or Higher 5MHz Input 70MHz Input 140MHz Input l 85 90 90 90 dBFS dBFS dBFS S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input 70MHz Input 140MHz Input l 70.4 72.9 72.6 72 dBFS dBFS dBFS |
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Similar Description - LTC2259CUJ-16 |
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