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TDA8808T Scheda tecnica(PDF) 9 Page - NXP Semiconductors |
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TDA8808T Scheda tecnica(HTML) 9 Page - NXP Semiconductors |
9 / 22 page November 1987 9 Philips Semiconductors Product specification Photo diode signal processor for compact disc players TDA8808T TDA8808AT PLLH output (pin 10) Output voltage LOW VPLLHL IPLLH = 400 µA (sink current) −− 0,4 V Output voltage HIGH VPLLHH IPLLH = −50 µA (source current) 2,4 −− V IPLLH Output sink current 0,5 1,5 − mA IPLLH Output source current −−100 −50 µA IDT1 Threshold total LF current VGCLF = 3,5 V − 2,0 −µA VDETp2/Vrefp; VDETn2/Vrefn 57,5 62,5 67,5 % LF photo diode inputs (pins 22 to 25) (values given for each input) VD DC voltage level − 1,2 − V ID Input current range 0 − 6 µA ZD Input impedance at 1 MHz ID = 1 µA − 10 − k Ω LF gain Maximum DC gain for: A1 ; ID3 =ID4 =0 VGCLF = 3,5 V A11 at lD1 = 0 µA; ID2 = 1 µAS1−10% S1 S1 A12 at lD1 = 1 µA; ID2 = 0 µAS1 or 55 S1 S1 for: A2 ; ID1 =ID2 =0 VGCLF = 3,5 V A21 at lD3 = 0 µA; ID4 = 1 µAS1−10% S1 S1 A22 at lD3 = 1 µA; ID4 = 0 µAS1 or 55 S1 S1 S1 mean value of A11, A12, A21, A22 55 64 84 Minimum DC gain for: A3 ; ID3 =ID4 =0 VGCLF = 0,8 V A31 at lD1 = 0 µA; ID2 = 1 µAS2-1 S2 S2+1 A32 at lD1 = 1 µA; ID2 = 0 µAS2-1 S2 S2+1 for: A4 ; ID1 =ID2 =0 VGCLF = 0,8 V A41 at lD3 = 0 µA; ID4 = 1 µAS2−1S2 S2+1 SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT I Re1 I D1 I D2 + ---------------------- = I Re2 I D3 I D4 + ---------------------- = I Re1 I D1 I D2 + ---------------------- = I Re2 I D3 I D4 + ---------------------- = |
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