SANYO STK4032X Datasheet
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Ordering number: EN 4672
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Thick Film Hybrid IC
STK4032X
AF Power Amplifier (Split Power Supply)
(40W min, THD = 0.008%)
Features
• Compact package for thin-type audio sets
• Member of pin-compatible series with outputs of 30 to
100W
• Easy heatsink design to disperse heat generated in thintype stereo sets
• Current mirror circuit for low 0.008% total harmonic
distortion
• External supply switch-on and switch-off shock noise
muting, load short-circuit protection, thermal shutdown
and other circuits can be tailored-designed.
Specifications
Maximum Ratings
at Ta = 25 ° C
Package Dimensions
unit: mm
4062
[STK4032X]
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
Thermal resistance
Junction temperature Tj 150
Operating substrate temperature Tc 125
Storage temperature Tstg
Available time for load short-circuit
1
Recommended Operating Conditions
Parameter Symbol Conditions Ratings Unit
Recommended supply voltage V
Load resistance R
max
CC
j-c 1.8
30 to +125
t
s
V
= ± 33.5V, R
CC
= 8 Ω , f = 50Hz, P
L
= 40W 2 s
O
at Ta = 25 ° C
CC
L
SANYO Electric Co., Ltd. Semiconductor Business Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
52797HA (ID) / 30795TH (ID) No. 4672—1/3
49 V
C/W
C
C
C
33.5 V
Ω
−
STK4032X
Operating Characteristics
at Ta = 25 ° C, V
Quiescent current I
Output power
Total harmonic distortion THD P
Frequency response f
Input impedance r
Output noise voltage
Neutral voltage V
Notes.
All tests are measured using a constant-voltage supply unless otherwise specified.
1. Available time for load short-circuit and output noise voltage are measured using the transformer supply specified below.
2. The output noise voltage is the peak value of an average-reading meter with an rms value scale. The noise voltage waveform does not inlcude any pulse noise.
= ± 33.5V, R
CC
= 8 Ω (noninductive load), Rg = 600 Ω , VG = 40dB, 100kHz LPF on
L
Parameter Symbol Conditions min typ max Unit
V
CCO
P
(1)
O
(2)
P
O
, f
L
H
2
i
V
NO
N
= ± 40V 15 – 120 mA
CC
THD = 0.008%, f = 20Hz to
20kHz
V
= ± 30V, THD = 0.04%,
CC
R
= 4 Ω , f = 1kHz
L
= 1.0W, f = 1kHz – – 0.008 %
O
P
O
P
O
V
CC
V
CC
+0
= 1.0W, – 20 to 50k – Hz
dB
−
3
= 1.0W, f = 1kHz – 55 – k Ω
= ± 40V, Rg = 10k Ω
= ± 40V
40 – – W
45 – – W
– – 1.2 mVrms
70 0 +70 mV
Specified Transformer Supply (MG-200 or Equivalent)
Equivalent Circuit
No. 4672—2/3
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