LTC1608 UWDY A IC ACCURACY TA = 25 ° C (Note 5)SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS S/N Signal-to-Noise Ratio 5kHz Input Signal 90 dB 100kHz Input Signal 88 dB S/(N + D) Signal-to-(Noise + Distortion) Ratio 5kHz Input Signal 90 dB 100kHz Input Signal (Note 10) 84 dB THD Total Harmonic Distortion 5kHz Input Signal – 100 dB Up to 5th Harmonic 100kHz Input Signal – 91 dB SFDR Spurious Free Dynamic Range 100kHz Input Signal 94 dB IMD Intermodulation Distortion fIN1 = 29.37kHz, fIN2 = 32.446kHz – 88 dB Full Power Bandwidth 5 MHz Full Linear Bandwidth (S/(N + D) ≥ 84dB) 350 kHz UUUI TER AL REFERE CE CHARACTERISTICS TA = 25 ° C (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 UUDIGITAL I PUTS A D DIGITAL OUTPUTS The ● denotes specifications that apply over the fulloperating temperature range, otherwise specifications are at TA = 25 ° C. (Note 5)SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VIH High Level Input Voltage VDD = 5.25V ● 2.4 V VIL Low Level Input Voltage VDD = 4.75V ● 0.8 V IIN Digital Input Current VIN = 0V to VDD ● ±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 ● 4.0 V VOL Low Level Output Voltage VDD = 4.75V, IOUT = 160µA 0.05 V VDD = 4.75V, IOUT = 1.6mA ● 0.10 0.4 V IOZ Hi-Z Output Leakage D15 to D0 VOUT = 0V to VDD, CS High ● ±10 µA COZ Hi-Z Output Capacitance D15 to D0 CS High (Note 11) ● 15 pF ISOURCE Output Source Current VOUT = 0V – 1 0 mA ISINK Output Sink Current VOUT = VDD 10 mA 3