STK4028
X
SANYO Electric Co., Ltd. Semiconductor Business Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
62097HA (ID) / 9237AT, TS No. 4671--1/3
Ordering number: EN4671A
Thick Film Hybrid IC
AF Power Amplifier (Split Power Supply)
(30W min, THD = 0.018%)
Features
Compact packaging supports slimmer set designs
Series designed for 30 up to 100W and pin-compatibil-
ity
Simpler heat sink design facilitates thermal design of
slim stereo sets
Current mirror circuit application reduces distortion to
0.018%
Supports additon of electronic circuits for thermal shut-
down and load-short protection circuit as well as pop
noise muting which occurs when the power supply
switch is turned on and off
Package Dimensions
unit: mm
4062
[STK4028
X
]
Specifications
Maximum Ratings
at Ta = 25
C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
V
CC
max
42
V
Thermal resistance
j-c
2.1
C/W
Junction temperature
Tj
150
C
Operating substrate temperature
Tc
125
C
Storage temperature
Tstg
-
30 to +125
C
Available time for load short-circuit
t
s
*1
V
CC
=
29V, R
L
= 8
, f = 50Hz, Po = 30W
2
s
STK4028
X
No. 4671--2/3
Operating Characteristics
at Ta = 25
C, V
CC
=
29V, R
L
= 8
, VG = 40dB, Rg = 600
, 10kLPF ON,
R
L
: Non-inductive load
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
I
CCO
V
CC
=
35.5V
15
120
mA
Output power
P
O
(1)
THD = 0.018%,
f = 20Hz to 20kHz
30
W
P
O
(2)
V
CC
=
26V, THD = 0.04%,
R
L
= 4
, f = 1kHz
35
W
Total harmonic distortion
THD
V
CC
=
29V, f = 1kHz,
P
O
= 1.0W
0.008
%
Frequency characteristic
f
L
, f
H
V
CC
=
29V,
P
O
= 1.0W,
dB
20 to 50k
Hz
Input impedance
ri
V
CC
=
29V, f = 1kHz,
P
O
= 1.0W
55
k
Output noise voltage
V
NO
*2
V
CC
=
35.5V, Rg = 10k
1.2
mVrms
Neutral voltage
V
N
V
CC
=
35.5V
-70
0
+70
mV
+0
3
Notes.
For power supply at the time of test, use a constant-voltage power supply
unless otherwise specified.
*1 For measurement of available time for load short-circuit and output noise
voltage, use the specified transformer power supply shown right.
*2 The output noise voltage is represented by the peak value on rms scale
(VTVM) of average value indicating type. The noise voltage waveform
includes no flicker noise.
Specified Transformer Power Supply
(Equivalent to RP-25)
Equivalent Circuit
STK4028
X
No. 4671--3/3
s
No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear
power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury,
death or property loss.
s
Anyone purchasing any products described or contained herein for an above-mentioned use shall:
Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their
officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated
with such use:
Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO.,
LTD., its affiliates, subsidiaries and distributors or any of their officers and employees, jointly or severally.
s
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO
believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of
intellectual property rights or other rights of third parties.
This catalog provides information as of June, 1997. Specifications and information herein are subject to change without notice.
Sample Application Circuit:
30W min 1 channel AF Power Amplifier
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