TDA8809T Ver la hoja de datos (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
CONDITIONS
MIN.
Gain control (continued)
IAGC
IAGC
Radial error trackcrossing
rad off; VAGC = 3,8 V
IRe2−IRe1 = −12 µA;
IRe2+IRe1 = −200 µA
IRe2−IRe1 = −48 µA;
IRe2+IRe1 = −200 µA
Offset control (offset out)
Ioffset out
Offset current
Offset lag current for
rad on; ICHPF = 0;
IRe1 = IRe2 = −110 µA
rad on; lag hold off;
VAGC = 3,8 V;
IRe1 = IRe2 = −110 µA
minimum amplification Re1 Voffset in =
Ilag
maximum amplification Re2 Vref − 1,2 V
minimum amplification Re2 Voffset in =
Ilag
maximum amplification Re1 Vref + 1,2 V
Ilag
Offset lag current
note 3
Transconductance factor
rad off; VAGC = 3,8 V;
IRe1 = IRe2 = −100 µA;
Vrange offset in =
0,6 V (int.);
--∆V------V--r--∆--a--o----nI--f--o--gf--s--f--ef--e--s----to-e-----fit--nf----so----⋅-e-u----It--t--t--i--o--n---t
Itot = IRe1 + IRe2
−3
39
−0,1
−115
+85
−7
0,17
TYP.
MAX.
0
3
49
59
0
0,1
−100 −85
+100
0
+115
+7
0,21
0,25
UNIT
µA
µA
µA
µA
µA
µA
--∆V------V--r--∆--a--o----nI--f--o--gf--s--f--ef--e--s----to-e-----fit--nf----so----⋅-e-u----It--t--t--i--o--n---t
rad off; VAGC = VGND
IRe1 = IRe2 = −100 µA;
Vrange offset in =
0,6 V (int.);
Itot = IRe1 + IRe2
−0,1
0
0,1
Zoffset in
Input impedance
−
(5)
−
MΩ
November 1987
8
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