SANYO STK400-030 Datasheet
Ordering number: EN 5703
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Thick Film Hybrid IC
STK400-030
AF Power Amplifier (Split Power Supply)
(20W+20W+20W, THD = 0.4%)
Overview
The STK400-030 is a 3-channel AF power amplifier IC
supporting multichannel speakers. One package includes
20W × 3ch for Lch, Rch and Cch. It is pin compatible with
both 3-channel output devices (STK400-*00 series) and 2channel output devices (STK401-*00 series). The output
load impedance is 6/3 Ω .
Features
• New series combining 3-channel output devices
(STK400-*00 series) and 2-channel output devices
(STK401-*00 series) with the same pin compatibility.
• Output load impedance is 6/3 Ω .
• Pin assignment is grouped into individual blocks of
inputs, outputs and supply lines, minimizing the adverse
effects of pattern layout on operating characteristics.
• Minimum number of external components required.
Package Dimensions
unit: mm
4086A
[STK400-030]
Specified Transformer Power Supply
(RP-25 or Equivalent)
Specifications
Maximum Ratings
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 t
Operating Characteristics
Parameter Symbol Conditions min typ max Unit
Output power
Total harmonic distortion
at Ta = 25 ° C
at Ta = 25 ° C, R
max
CC
j-c Per power transistor 2.1
30 to +125
V
s
P
(1)
O
P
(2)
O
THD(1)
THD(2)
= ± 23V, R
CC
f = 50Hz, P
= 6 Ω (noninductive load), Rg = 600 Ω , VG = 40dB
L
= ± 23V, f = 20Hz to
V
CC
20kHz, THD = 0.4%
= ± 19V, f = 1kHz,
V
CC
THD = 1.0%, R
V
= ± 23V, f = 20Hz to
CC
20kHz, P
= ± 23V, f = 1kHz,
V
CC
P
= 5.0W
O
= 20W
O
= 1.0W
O
= 6 Ω ,
L
= 3 Ω
L
20 25 – W
20 25 – W
– – 0.4 %
– 0.02 – %
34 V
C/W
C
C
C
1s
SANYO Electric Co., Ltd. Semiconductor Business Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
N0697HA (ID) No. 5703—1/6
Ω
−
STK400-030
Parameter Symbol Conditions min typ max Unit
+0
Frequency response f
Input impedance r
Output noise voltage V
Quiescent current I
Neutral voltage V
, f
L
i
NO
CCO
N
V
H
= ± 23V, P
CC
V
= ± 23V, f = 1kHz,
CC
= 1.0W
P
O
V
= ± 28V, Rg = 10k Ω
CC
V
= ± 28V 30 90 150 mA
CC
V
= ± 28V
CC
= 1.0W, – 20 to 50k – Hz
O
dB
−
3
–55–k
– – 1.2 mVrms
70 0 +70 mV
Notes.
All tests are conducted using a constant-voltage regulated power supply unless otherwise specified.
Available time for load shorted and output noise voltage are measured using the transformer power supply specified on page 1.
The output noise voltage is the peak value of an av er age-reading meter with an rms value scale (VTVM). A regulated AC supply (50Hz) should be used to eliminate the
effects of AC primary line flicker noise.
Equivalent Circuit
Sample Application Circuit
No. 5703—2/6
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