YM7136

The YM7136 is an LSI device which receives and demodulates the Digital Audio Interface signals that are used between digital audio equipments.There are some features of YM7136 as follows.First, it has 4 channels of bi-phase input terminals and each of these has bias circuit.Secondly, YM7136 has an internal PLL circuit which generates clock and demodulates bi-phase signal.Besides, it outputs channel status information of emphasis, copy prohibition and sampling frequency type.Furthermore, output terminal of sampling frequency type can drive LED directly.The fifth one is that it has digital di-emphasis function internally.The sixth one is that it has 4 times and 8 times oversampling digital filter.The seventh one is that it can interface for 1 DAC (4 times) or 2 DA (4 times,8 times) of 16 bit or 18 bit.The last one is CMOS,single 5 V power supply and 64 pin QFP.

What comes next is about the absolute maximum ratings of YM7136.The VDD (power supply voltage) is from -0.3 V to +7.0 V.The Top (operating temperature) is from -40 to +85.The Tstg (storage temperature) is from -50 to +125.Then is about the recommended operating conditions.The minimum VDD (power supply voltage) is 4.75 V,the typicall is 5.00 V and the maximum is 5.25 V.The minimum Top (operating temperature) is 0,the typical is 25 and the maximum is 70.

The following is about the DC characteristics of YM7136.The typical power consumption is 150 mW at VDD=5 V.The minimum VOH (high level output voltage) is 4.0 V at IOH=0.4 mA.The maximum VOL (low level output voltage) is 0.4 V at IOL=2 mA.The typical IIL (input leakage current) is 10A at VI=5 V.The typical CI (input capacitance) is 10 pF.The typical CO (output capacitance) is 10 pF.The minimum VIH1 (high level input voltage) is 2.0 V and the maximum VIL1 (low level input voltage) is 0.8 V for any input terminal except DIN0-DIN3,CV,RV,XI.The minimum VIH2 (high level input voltage) is 3.5 V and the maximum VIL2 (low level input voltage) is 0.8 V for XI terminal.