TDA8809T 데이터 시트보기 (PDF) - Philips Electronics
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TDA8809T Datasheet PDF : 16 Pages
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Philips Semiconductors
Radial error signal processor for compact
disc players
Product specification
TDA8809T
SYMBOL
PARAMETER
Digital inputs
B0, B1, B2 and B3
VIH
Input voltage HIGH
VIL
Input voltage LOW
IIH
Input sink current HIGH
IIL
Input source current LOW
Divide-by-4 input (DIV4)
VIH
Input voltage HIGH
VIL
Input voltage LOW
IIH
Input sink current HIGH
IIL
Input source current LOW
fi
Input frequency at Re1 and
Re2
Radial error inputs (Re1; Re2)
VRe1, VRe2
IRe1, IRe2
ZRe1, ZRe2
Input voltage level
Input current
Input impedance
Gain control input (AGC)
Offset current
IAGC
Lag current for
Ilag
Ilag
|ZAGC|
minimum radial gain
maximum radial gain
Input impedance
Gain
IAGC0
∆----(---I--R---∆--e-I-1-A---–G----C-I--R---e---2---)--
CONDITIONS
MIN.
TYP.
MAX. UNIT
note 2
note 2
divide-by-1
divide-by-4
2,0
−
VP
V
0
−
0,8
V
0
0,03
1,0
µA
−3,0
−0,1
0
µA
2,0
−
VP
V
0
−
0,8
V
0
5,0
(5)
µA
−10
−3
0
µA
−
10
50
kHz
IRe1 = IRe2 = −110 µA VP−1,81 VP− 1,71 VP− 1,61 V
−
−110
−
µA
−
2,5
−
kΩ
rad on; lag hold off
VAGC = 3,8 V;
IRe1 = IRe2 = 0
IRe1 = −85 µA;
IRe2 = −115 µA
VAGC = 0,6 V
VAGC = 3,8 V
−0,2
0
0,2
µA
−2,5
−0,45 +1,5
µA
−42
−30
−18
µA
−
(5)
−
MΩ
VAGC = 3,8 V;
VCosc2 = Vref + 1,4 V;
VCosc1 = Vref;
IRe1 = −100 µA;
IRe2 = −100 µA
−
−2
−
µA
IRe1 - IRe2 = 4 µA
− IAGC0 then
IRe1 - IRe2 = −4 µA
− IAGC0
0,7
0,9
1,1
November 1987
7
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