TDA1523 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TDA1523 Datasheet PDF : 16 Pages
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Philips Semiconductors
Stereo cassette head
preamplifier and equalizer
SYMBOL
PARAMETER
Mute on/off (pin 1); see Fig.4
Vmute(on)
Imute(on)
mute on voltage
mute on current
Vmute(off)
General
Rfb
Gv
αcs
PSRR
mute off voltage
internal feedback resistor
open-loop voltage gain
channel separation
power supply ripple rejection
THD
total harmonic distortion
Notes
1. Applies to each amplifier.
2. Frequency range 300 Hz to 20 kHz.
3. Referred to the input.
4. Measured selective.
Preliminary specification
TDA1523
CONDITIONS
MIN. TYP. MAX. UNIT
mute switch closed
mute switch closed or
V1-4 = 0 V
mute switch open
0
−
1
V
−
2.7 −
µA
7.5 −
VP
V
note 1
100 140 180 kΩ
f = 315 Hz; note 1
−
90
−
dB
RS = 10 kΩ; LS = 0; note 2 45
−
−
dB
VP(rms) = 0.1 V; f = 100 Hz; 90
95
−
dB
note 3
f = 1 kHz; Vo = 0.3 V; note 4 −
0.05 −
%
handbook, full pagewidth
1996 Feb 26
C102
1000
µF
Vi1
Vi2
C202
1000
µF
R102
R101
C101
8.2 Ω
RS1
4.7 kΩ
RS2
4.7 kΩ
R202
9.1 kΩ
10 µF
TDA1523
feedback 1 140 kΩ
2
R fb1
14
3
AMP 1
4
1
SUPPLY
&
MUTE
7
5
8
6
AMP 2
R fb2
feedback 2 140 kΩ
R201
C201
8.2 Ω
9.1 kΩ
10 µF
C c1
output 1
Vo1
10 µF R L1
4.7 kΩ
C c2output 2
Vo2
10 µF R L2
4.7 kΩ
VP
MGC990
Fig.3 Test circuit for noise measurement.
6
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