TDA1524A データシートの表示（PDF） - Philips Electronics
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TDA1524A Datasheet PDF : 16 Pages
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Philips Semiconductors
Stereo-tone/volume control circuit
Product specification
TDA1524A
PARAMETER
D.C. control voltage range for volume,
bass, treble and balance
(pins 1, 9, 10 and 16 respectively)
at V17-18 = 5 V
using internal supply
Input current of control inputs
(pins 1,9,10 and 16)
SYMBOL
MIN.
TYP.
MAX.
UNIT
V1,9,10,16
1,0
−
V1,9,10,16
0,25
−
−I1,9,10,16
−
−
4,25
V
3,8
V
5
µA
A.C. CHARACTERISTICS
VP = V3-18 = 8,5 V; Tamb = 25 °C; measured in Fig.1; contour switch closed (linear position); volume, balance, bass, and
treble controls in mid-position; RG ≤ 600 Ω; RL ≥ 4,7 kΩ; CL ≤ 200 pF; f = 1 kHz; unless otherwise specified
PARAMETER
SYMBOL
MIN.
TYP. MAX. UNIT
Control range
Max. gain of volume (Fig.5)
Volume control range; Gv max/Gv min
Balance control range; Gv = 0 dB (Fig.6)
Bass control range at 40 Hz (Fig.7)
Treble control range at 16 kHz (Fig.8)
Control characteristics
Gv max
∆Gv
∆Gv
∆Gv
∆Gv
20,5
21,5
23
dB
90
100
−
dB
−
−40
−
dB
−
−19 to + 17 ± 3 dB
−
± 15 ± 3 −
dB
see Fig.9 and 10
Signal inputs, outputs
Input resistance; pins 4 and 15 (note 1)
at gain of volume control:Gv = 20 dB
Gv = −40 dB
Output resistance (pins 8 and 11)
Signal processing
Ri4,15
Ri4,15
Ro8,11
10
−
−
kΩ
−
160
−
kΩ
−
−
300
Ω
Power supply ripple rejection
at VP(rms) ≤ 200 mV; f = 100 Hz; Gv = 0 dB
Channel separation (250 Hz to 10 kHz)
at Gv = −20 to + 21,5 dB
Spread of volume control with
constant control voltage V1-18 = 0,5 V17-18
Gain tolerance between left and right
channel V16-18 = V1-18 = 0,5 V17-18
Tracking between channels
for Gv = 21,5 to −26 dB
f = 250 Hz to 6,3 kHz; balance adjusted at
Gv = 10 dB
RR
αcs
∆Gv
∆Gv,L-R
35
50
−
dB
46
60
−
dB
−
−
±3
dB
−
−
1,5
dB
∆Gv
−
−
2,5
dB
September 1987
6
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