TDA8808AT Philips Semiconductors, TDA8808AT Datasheet - Page 2

• Manufacturer Part Number: TDA8808AT
• Description: Photo diode signal processor for compact disc players
• Manufacturer: Philips Semiconductors

Philips Semiconductors
GENERAL DESCRIPTION
The TDA8808 is a bipolar integrated circuit designed for use in compact disc players with a single spot read-out system.
It amplifies the photo-diode signals and processes the error signals for the focus- and radial control network.
Features
QUICK REFERENCE DATA
PACKAGE OUTLINE
28-lead mini-pack; plastic (SO28; SOT136A); SOT136-1; 1996 August 13.
November 1987
V
V
V
I
I
I
I
T
Q
HFin(p-p)
D
LO
Data amplifier with equalizer and AGC
Offset-free pre-amplifier with AGC for the servo signals
Trackloss and drop-out detection
Start-up procedure for focus
Normalizing focus error output signal to minimize radial error interference
Laser supply amplifier and reference source
Both TDA8808T and TDA8808AT versions suitable for car, portable and home applications
Single and dual supply application
Focus in-lock signal; ready signal output (RD).
amb
P
ext
ext
Photo diode signal processor for
compact disc players
SYMBOL
Supply
Supply voltage range
External voltage range
Quiescent supply current
HF input current
LF input current
Laser supply output current
Operating ambient
TDA8808T
TDA8808AT
(peak-to-peak value)
(for each diode input)
temperature range
PARAMETER
Si/RD = 0 V
f
Si/R7D = HIGH Z
HFin
CONDITIONS
2
= 100 kHz
4,5
V
7,5
3
0
5,5
8
30
P
MIN.
5,0
10
10
5,0
4
TYP.
Product specification
TDA8808AT
5,5
0
12
12,5
10
6
2
85
MAX.
TDA8808T
V
V
V
mA
mA
C
A
A
UNIT