SAA7826HL/E

The SAA7826HL/E belongs to The SAA7826 series.The SAA7826 is a kind of CD audio decoder IC which combines the function of the SAA732X IC with the pre-amplifier and laser control functions previously found in the TZA102X IC.SAA7826HL/E is designed to reduce the external component count and hence the Bill Of Material (BOM).

SAA7826HL/E has some features as follows.(1)decoder and servo parts are based upon the SAA732X design (the original features are maintained);(2)on-chip buffering and filtering of the diode signals from the mechanism for signal optimization;(3)dynamic element matching DAC with minimum external components;(4)separate left and right channel digital silence detection available on the KILL pins;(5)monitor control and feedback circuit to maintain nominal output power throughout laser life;(6)integrated CD text decoder with separate microcontroller interface.

Next is about the characteristics of SAA7826HL/E.The digital supply voltage(VDDD) is from 1.65 to 1.95 V.The analog supply voltage(VDDA) is from 3.0 to 3.6 V.The high frequency gain tolerance is from -20% to +20%.Then is the input impedance(ZI) which is 47 k.The typical value for reference voltage level is 1.26 V,the minimum is 1.16 V and the maximum is 1.36 V.The digital supply current(IDDD) is 4.0 mA at the condition of n=1 mode,and 5.0 mA at n-2 mode and 6.0 mA at n=3 mode.Last one is the analog supply current(IDDA) which is 34 mA at n=1,n=2,n=3 mode.