TDA1302_1
5 Wed Sep 14 13:30:56 1994
Philips Semiconductors
Preliminary specification
Data amplifier and laser supply circuit for
CD player and read only optical systems
PINNING
SYMBOL
O4
O6
O3
O1
O5
O2
LDON
V
DDL
RFE
RF
HG
LS
CL
ADJ
GND
LO
MI
V
DD
I2
I5
I1
I3
I6
I4
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
DESCRIPTION
output of diode current amplifier 4
output of diode current amplifier 6
output of diode current amplifier 3
output of diode current amplifier 1
output of diode current amplifier 5
output of diode current amplifier 2
control pin for switching the laser
ON and OFF
laser supply voltage
equalized output voltage of sum
signal of amplifiers 1 to 4
unequalized output
control pin for gain switch
control pin for speed switch
external capacitor
reference input normally
connected to ground via a resistor
0 V supply; substrate connection
(ground)
current output to the laser diode
laser monitor diode input
amplifier supply voltage
photo detector input 2 (central)
photo detector input 5 (satellite)
photo detector input 1 (central)
photo detector input 3 (central)
photo detector input 6 (satellite)
photo detector input 4 (central)
TDA1302T
Fig.3 Pin configuration.
September 1994
5
PHILIPS [ NXP SEMICONDUCTORS ]
