Philips Semiconductors
Stereo-tone/volume control circuit
Product specification
TDA1524A
PARAMETER
Noise performance (VP = 12 V)
Output noise voltage (unweighted; Fig.15)
at f = 20 Hz to 20 kHz (r.m.s. value; note 5)
for maximum voltage gain (note 4)
for Gv = −16 dB (note 4)
Output noise voltage; weighted as DIN 45405
of 1981, CCIR recommendation 468-2 (peak value)
for maximum voltage gain (note 4)
for maximum emphasis of bass and treble
(contour off; Gv = −40 dB)
Noise performance (VP = 15 V)
Output noise voltage (unweighted; Fig.15)
at f = 20 Hz to 20 kHz (r.m.s. value; note 5)
for maximum voltage gain (note 4)
for Gv = 16 dB (note 4)
Output noise voltage; weighted as DIN 45405
of 1981, CCIR recommendation 468-2 (peak value)
for maximum voltage gain (note 4)
for maximum emphasis of bass and treble
(contour off; Gv = −40 dB
SYMBOL
Vno(rms)
Vno(rms)
Vno(m)
Vno(m)
Vno(rms)
Vno(rms)
Vno(m)
Vno(m)
MIN.
TYP. MAX. UNIT
−
310
−
µV
−
100
200
µV
−
940
−
µV
−
400
−
µV
−
350
−
µV
−
110
220
µV
−
980
−
µV
−
420
−
µV
Notes to characteristics
1. Equation for input resistance (see also Fig.4)
Ri = -1-1--6---+0-----Gk----Ω-v-- ;Gvmax = 12
2. Frequencies below 200 Hz and above 5 kHz have reduced voltage swing, the reduction at 40 Hz and at 16 kHz is
30%.
3. In the event of bass boosting the output signal handling is reduced. The reduction is 1 dB for maximum bass boost.
4. Linear frequency response.
5. For peak values add 4,5 dB to r.m.s. values.
September 1987
8