an8806sb Panasonic Corporation of North America, an8806sb Datasheet
an8806sb
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an8806sb Summary of contents
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... ICs for CD/CD-ROM Player AN8806SB Three-Beam Method Head Amplifier IC for CD Player Overview The AN8806SB is a head amplifier IC supporting the digital servo. Combination of this IC and the MN6627XX series allows the rational CD system to be constructed with small number of external parts. Features • Single supply operation • ...
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... AN8806SB Block Diagram ICs for CD/CD-ROM Player ...
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... Resistance-connected pin setting the I–V conversion resistance value of PDF Connected to PIN Diode E Connected to PIN Diode F Connected to B/D of astigmatic 4-division P D Connected to A/C of astigmatic 4-division P D Symbol Rating 240 D T –30 ~ +85 opr T –55 ~ +125 stg AN8806SB Unit ˚C ˚C ...
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... AN8806SB Recommended Operating Range (Ta=25˚C) Parameter Operating Supply Voltage Range Electrical Characteristics (Ta=25˚C 2˚C) Parameter Total Circuit Current V Output Voltage REF Focus Error Amp. Output Offset Voltage of Focus Error Amp. Crosstalk Quantity of Focus Error Offset Balance I –V Conversion Gain of Focus Error Amp. ...
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... Sweep Det.– =5V I CENV =5V CEA–ENV =5V CEA =5V ENV =5V OP–ENV CC V =5V V OP–CEA CC AN8806SB min. typ. max. Unit 11.0 15.5 20.0 dB – 0.2 1.0 2 –1.5 0 2.5 dB 0.067 0.105 0.142 V P–P 4.2 V 0.8 V 1.0 1 ...
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... AN8806SB Operational Description (The values shown below are design values when supply voltage V • RFAmplifier As shown in Figure 1, RF signals are generated by three-beam method pick-up. Equivalent resistance to RFOUT (Pin7) is 57.6k , when resistance between RF–and RFOUT is 12k . 48k – 48k – ...
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... E – TEOUT (Pin25 REF 470k – REF 470k – – Table 1.5V 0.14 7.0 2.5V 1.0 1.0 3.5V 7.0 0.14 f 646kHz C VCBA VCBA Figure 3 : Tracking Error Amplifier AN8806SB 20k – Subtraction 20k ...
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... AN8806SB Pins31 and 32 are used to make the resistance converting the current to voltage variable. When these pins are directly connected toV and 20k of resistance is connected between TE and TE–, and between TE and TEOUT respectively, REF equivalent resistance to TEOUT is 629k . The VCBA is for tracking balance adjustment in the same way of for focus. Table 2 shows the tracking balance ratio under the same conditions as shown in Table 1. • ...
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... capacity in addition. • Vibration Detection The AN8806SB has a wind comparator of approx. 75mV. Abnormal vibration components of tracking error are detected and the data for whether vibration is present or not is outputted to Pin22. . When this capacity value of Pin13 is increased, BDO is ...
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... AN8806SB • Envelope Detection The envelope detection circuit extracts fluctuation of RF signal required for adjustment of focus balance. Pin11 and 12 are connecting pins with capacity for constructing the filter recommended that for Pin11, a capacitor of 100 pF around, and for Pin12 , an external capacitor of 0.027 F around should be connected against V ...