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SAA7326 Datasheet(PDF) 50 Page - NXP Semiconductors |
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SAA7326 Datasheet(HTML) 50 Page - NXP Semiconductors |
50 / 68 page 1999 Jun 17 50 Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder with integrated DAC (CD10) SAA7326 RIref external resistor − 30 − k Ω Decoder analog front-end (VDDA = 3.3 V; VSSA =0V; Tamb =25 °C) COMPARATOR INPUTS: HFIN AND HFREF fclk clock frequency note 2 8 − 70 MHz Vth(sw) switching voltage threshold − 0.5VDD − V Vi(HFIN) input voltage level (HFIN) − 1.0 − V Servo analog part (VDDA = 3.3 V; VSSA =0V; Tamb =25 °C; RIref =30kΩ) PINS D1 TO D4; R1 AND R2 ID(max) maximum input current for central diode input signal note 3 1.006 − 16.1 µA IR(max) maximum input current for satellite diode input signal note 3 1.006 − 16.1 µA VRIN internally generated reference voltage note 4 − 0.75 − V externally generated reference voltage applied to VRIN (pin 7) note 4 0.5 − 0.5VDD + 0.1 V (THD + N)/S total harmonic distortion plus noise-to-signal ratio at 0 dB; note 5 −−50 −45 dB S/N signal-to-noise ratio − 55 − dB PSRR power supply ripple rejection at VDDA2 note 6 − 45 − dB Gtol gain tolerance note 7 −20 0 +20 % ∆G v variation of gain between channels −− 2% α cs channel separation − 60 − dB Digital inputs PINS RESET AND V1 (CMOS INPUT WITH PULL-UP RESISTOR AND HYSTERESIS) Vthr(sw) switching voltage threshold rising −− 0.8VDDD V Vthf(sw) switching voltage threshold falling 0.2VDDD −− V Vhys hysteresis voltage 1.35 1.65 − V Ri(pu) input pull-up resistance Vi =0V − 160 − k Ω Ci input capacitance −− 10 pF SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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