LTC1604 DYNAMIC ACCURACY (Note 5)LTC1604LTC1604ASYMBOL PARAMETERCONDITIONSMINTYPMAXMINTYPMAXUNITS S/N Signal-to-Noise Ratio 5kHz Input Signal l 90 87 90 dB 100kHz Input Signal 90 90 dB S/(N + D) Signal-to-(Noise + Distortion) Ratio 5kHz Input Signal 90 90 dB 100kHz Input Signal (Note 10) l 89 84 89 dB THD Total Harmonic Distortion 5kHz Input Signal –100 –100 dB Up to 5th Harmonic 100kHz Input Signal l –94 –94 –88 dB SFDR Spurious Free Dynamic Range 100kHz Input Signal 96 96 dB IMD Intermodulation Distortion fIN1 = 29.37kHz, fIN2 = 32.446kHz –88 –88 dB Full Power Bandwidth 5 5 MHz Full Linear Bandwidth (S/(N + D) ≥ 84dB 350 350 kHz INTERNAL REFERENCE CHARACTERISTICS (Note 5) PARAMETERCONDITIONSMINTYPMAXUNITS VREF Output Voltage IOUT = 0 2.475 2.500 2.515 V VREF Output Tempco IOUT = 0 ±15 ppm/°C VREF Line Regulation 4.75 ≤ VDD ≤ 5.25V 0.01 LSB/V –5.25V ≤ VSS ≤ –4.75V 0.01 LSB/V VREF Output Resistance 0 ≤ |IOUT| ≤ 1mA 7.5 kΩ REFCOMP Output Voltage IOUT = 0 4.375 V DIGITAL INPUTS AND DIGITAL OUTPUTS (Note 5) SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VIH High Level Input Voltage VDD = 5.25V l 2.4 V VIL Low Level Input Voltage VDD = 4.75V l 0.8 V IIN Digital Input Current VIN = 0V to VDD l ±10 μA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage VDD = 4.75V, IOUT = –10μA 4.5 V VDD = 4.75V, IOUT = –400μA l 4.0 V VOL Low Level Output Voltage VDD = 4.75V, IOUT = 160μA 0.05 V VDD = 4.75V, IOUT = 1.6mA l 0.10 0.4 V IOZ Hi-Z Output Leakage D15 to D0 VOUT = 0V to VDD, CS High l ±10 μA COZ Hi-Z Output Capacitance D15 to D0 CS High (Note 11) l 15 pF ISOURCE Output Source Current VOUT = 0V –10 mA ISINK Output Sink Current VOUT = VDD 10 mA 1604fa 3
