TDA8808T Datasheet, PDF (11/22 Pages) NXP Semiconductors – Photo diode signal processor for compact disc players

Philips Semiconductors
Photo diode signal processor for compact
disc players
Product specification
TDA8808T
TDA8808AT
SYMBOL
PARAMETER
Z_LPF Input impedance
FOC START input (pin 9)
Start current (ST) for FE
I_ST
(−I_{FOC START} = I_ST)
I_ST
Start voltage (ST) for FE
V_ST
(V_{FOC START} = V_ST)
V_ST
FElag output (pin 16)
Output voltage
V_FElag
V_FElag
Z_FElag
TDA8808T
TDA8808AT
Output impedance
Output current
I_FElag=I_O
I_FElag
I_D1 = I_D2 = 1_D3 = I_D4 = 1 µA
I_D2 = I_D3 = 1 µA;
I_D1 = I_D4 = 2 µA
I_FElag
I_D2 = I_D3 = 2 µA;
I_D1 = I_D4 = 1 µA
I_FElag
I_FElag
V_FE
V_FE
Z_FE
I_FE
I_FE
I_FE
I_FE
I_D2 = I_D3 = 2 µA;
I_D1 = I_D4 = 1 µA
I_D2 = I_D3 = 1 µA;
I_D1 = I_D4 = 2 µA
FE output (pin 15)
Output voltage
TDA8808T
TDA8808AT
Output impedance
Output current
I_D1 = I_D4 = 2 µA;
I_D2 = I_D3 = 1 µA
I_D1 = I_D4 = 1 µA;
I_D2 = I_D3 = 2 µA
I_D1 = I_D4 = 2 µA;
I_D2 = I_D3 = 1 µA
I_D1 = I_D4 = 1 µA;
I_D2 = I_D3 = 2 µA
November 1987
CONDITIONS MIN.
TYP.
−
3
MAX. UNIT
−
kΩ
Si/RD = HIGH Z 75
150
Si/RD = LOW −
0
Si/RD = HIGH Z 430
530
Si/RD = LOW −20
0
see Fig.8
500
µA
−
µA
630
mV
20
mV
V_ext+l,5 −
+1,5
−
−
8
Si/RD = HIGH Z;
V_GCLF = 3,5 V
V_Sc = V_P
−10
0
V_Sc = V_P
−10%
−2S₁
+I_O
V_Sc = V_P
−10%
−2S₁
+I_O
V_Sc = 1,5 V
−5
0
V_Sc = 1,5 V
−5
0
see Fig.8
V_P−1,5 V
V_ext−1,5 V
−
MΩ
+10
µA
+^10%
µA
+10% µA
+5
µA
+5
µA
note 10
V_Sc = 0
V_Sc = 0
V_Sc = 1,25 V
V_Sc = 1,25 V
11
V_ext+1,5 −
+1,5
−
−
8
V_P−1,5 V
V_ext−1,5 V
−
MΩ
−10%
−2S₁−134−I_ST +10%
µA
−10%
−4S₁−67−I_ST +10%
µA
−10%
−2S₁−134+I_ST +20%
µA
−10%
−4S₁−67+I_ST +20%
µA