TDA8808AT Philips Semiconductors, TDA8808AT Datasheet - Page 5

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TDA8808AT

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

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TDA8808AT
Manufacturer:
NXPLIPS
Quantity:
5 510
Part Number:
TDA8808AT
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Philips Semiconductors
Pin functions
November 1987
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Photo diode signal processor for compact
disc players
PIN
GCHF
V
HFout
DET
Sc
Si/RD
Beq
Bgc
FOC START
PLLH
TL
DODS
V
LPF
FE
FElag
LO
LM
GCLF
Re2
Re1
D1, D2
D3, D4
HFin
GND
DEC
MNEMONIC
P
ext
Gain control input of HF amplifier. Current output from HF amplitude detector
Positive supply voltage
HF amplifier and equalizer voltage output
HF detector voltage input
Starting up capacitor input
On/off control (start input); ready signal output (starting up procedure successful)
Equalizer reference current input
DC and LF gain control reference current input
Focus normalizing circuit starting current
PLL on hold output
Track loss output
Drop out detector suppression input
TDA8808T
Negative supply connection for FE and FElag output stage; also
substrate connection
TDA8808AT
Positive supply connection for FE and FElag output stage
Low pass filter for I
Current output of normalized, switched focus error signal
Current output of switched focus error signal, intended for lag network.
Laser amplifier current output
Laser monitor diode input
Gain control input for AC and LF amplifiers. Current output from LF amplitude detector
Summation of amplified currents from D3 and D4
Summation of amplified currents from D1 and D2
Current inputs to DC and LF photo diode amplifier
Current inputs to DC and LF photo diode amplifier
Current input to HF amplifier
Ground connection of device: also substrate connection for TDA8808AT
Decoupling input (internal bypass)
ret
, used in track loss (TL) detector and LF gain control
5
DESCRIPTION
Product specification
TDA8808AT
TDA8808T

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