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Sanyo Semiconductor
Sanyo Semiconductor

STK412-040 Datasheet

AF Power Amplifier


STK412-040 Datasheet Preview


Ordering number : ENN7248
Thick-Film Hybrid IC
STK412-040
Two-Channel Shift Power Supply Audio Power Amplifier ICs
120W + 120 W
Overview
The STK412-000 series are class H audio power amplifier
hybrid ICs that feature a built-in shift power supply
circuit. These ICs provide high efficiency audio power
amplification by controlling (switching) the supply
voltage supplied to the power transistors according to the
detected level of the input audio signal.
Features
Package Dimensions
unit: mm
4196-SIP18
[STK412-040]
64.0
55.6
• Pin compatible IC series that covers power ratings from
50 W × 2 channels to 180 W × 2 channels at 0.7 or 0.8%
THD, 20 Hz to 20 kHz. This allows the use of a
common PCB for all output classes.
• The pin arrangement is also unified with that of the
three-channel STK413-000 series. This means that PCBs
designed for three-channel models can also be used for
two-channel models.
• Miniature package
— 50 W/ch to 120 W/ch (THD = 0.8%, f = 20 Hz to 20
kHz): 64 × 36.5× 8.5 mm*
— 150 W/ch to 180 W/ch (THD = 0.7%, f = 20 Hz to
20 kHz): 78 × 44× 9 mm*
* Not including the IC pins.
• Allowable load shorted time: 0.3 s
3.6
(6.21)
1
2.54
18
0.5
17×2.54=43.18
8.5
2.9
0.4
5.5
SANYO: SIP18
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
20703AS (OT) No. 7248-1/4
Page 1

STK412-040
Series Organization
These products are organized into a series based on their output power.
Parameter
STK412-090
Output (20 Hz to 20 kHz)
[THD]
50 W + 50 W
[0.8 %]
Maximum supply voltage, VH
(No signal)
±60 V
Maximum supply voltage, VL
(No signal)
±41 V
Recommended supply voltage,
VH
Recommended supply voltage,
VL
Recommended load impedance
±37 V
±27 V
Package
Type No.
STK412-000 STK412-010 STK412-020 STK412-030 STK412-040 STK412-150 STK412-170
60 W + 60 W 70 W + 70 W 80 W +80 W 100 W + 100 W 120 W + 120 W 150 W + 150 W 180 W + 180 W
[0.8 %]
[0.8 %]
[0.8 %]
[0.8 %]
[0.8 %]
[0.7 %]
[0.7 %]
±65 V
±69 V
±73 V
±80 V
±84 V
±95 V
±95 V
±42 V
±44 V
±45 V
±46 V
±51 V
±61 V
±60 V
±39 V
±43 V
±45 V
±51 V
±54 V
±57 V
±54 V
±29 V
±30 V
±32 V
8
64 mm × 36.5 mm × 8.5 mm
±34 V
±36 V
±38 V
±37 V
64
78 mm × 44 mm × 9 mm
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
VH: Maximum supply voltage 1 (no signal)
VH: Maximum supply voltage 2 (signal present)
VH: Maximum supply voltage 3 (signal present)
VL: Maximum supply voltage 1 (no signal)
VL: Maximum supply voltage 2 (signal present)
VL: Maximum supply voltage 3 (signal present)
VH-VL: Maximum supply voltage *4
Thermal resistance
VH max(1)
VH max(2)
VH max(3)
VL max(1)
VL max(2)
VL max(3)
VH-L max
θj-c
Junction temperature
Tj max
Operating IC substrate temperature
Tc max
Storage temperature
Tstg
Allowable load shorted time *3
ts
Conditions
RL = 8, 6
RL = 4
RL = 8, 6
RL = 4
No load
Per power transistor
Both the Tjmax and Tcmax conditions must be met.
VH = ±54 V, VL = ±36 V, RL = 8 , f = 50 Hz, PO = 120 W,
one channel operating
Ratings
±84
±78
±60
±51
±48
±36
60
1.6
150
125
–30 to +125
0.3
Unit
V
V
V
V
V
V
V
°C/W
°C
°C
°C
s
Operating Characteristics at Ta = 25°C, RL = 8 , Rg = 600 , VG = 40 dB, VZ = 15 V, RL must be a non-
inductive load.
Parameter
Output power
Total harmonic distortion
Frequency characteristics
Input impedance
Output noise voltage *2
Quiescent current
Midpoint voltage
Symbol
PO (1)
PO (2)
THD
fL, fH
ri
VNO
ICCO
VN
Test conditions *1
VCC (V) f (Hz)
VH = ±54 20 to 20 k
VL = ±36
VH = ±43
VL = ±29
1k
PO (W)
THD (%)
0.8
0.8
VH = ±54 20 to 20 k
VL = ±36
VH = ±54
VL = ±36
VH = ±54
VL = ±36
1k
120
1.0
1.0
VH = ±65
VL = ±40
VH = ±65
VL = ±40
VH = ±65
VL = ±40
RL = 4
+0 –3 dB
Rg = 2.2 k
No load
No load
Standard value
min typ max
120
Unit
W
120 W
0.4 %
20 to 50 k
Hz
55 k
1.0 mVrms
30 mA
100 mA
–70 0 +70 mV
Notes: *1. Unless otherwise specified, a constant-voltage power supply must be used during inspection.
*2. The output noise voltage rating gives the peak value read by an averaging VTVM. However, to eliminate the influence of flicker noise from the AC
primary side line, use an AC stabilized power supply (50 Hz).
No. 7248-2/4
Page 2

STK412-040
*3. Use the transformer power supply specified in the figure below for allowable load shorted time and output noise voltage measurements.
*4. Design circuits so that (|VH| - |VL|) is always less than 40 V when switching the power supply with the load connected.
*5. Set up the VL power supply with an offset voltage at power supply switching (VL - LO) of about 8 V as an initial target.
DBA40C
10000µF
+
500
+VH
+
500
10000µF
Specified Transformer Power Supply
(MG-250 equivalent)
--VH
DBA40C
10000µF
+
500
+VL
+
500
10000µF
--VL
Specified Transformer Power Supply
(MG-200 equivalent)
Internal Equivalent Circuit
13
TR1
TR2 D2 R3
TR6
C2
C1
R1
TR3
14
TR4
R4
TR8
TR9
TR10
15
16
TR5
R5
R6
TR7
R2
12
D1
R7
7
SUB
R41
TR19
D12
R13
TR12
TR11
TR16
C12
C11
TR20 TR18
TR14
R14
R11
TR13
TR41
Comparator
D42
D43
D41
R15
TR17
R17
R16
TR15
R12
D51
D53
D52
Comparator
TR51
R51
1
3
2
5
4
6
9 8 11 10
17 18
No. 7248-3/4
Page 3
Part Number STK412-040
Manufactur Sanyo Semiconductor
Description AF Power Amplifier
Total Page 4 Pages
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