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LA4635A датащи(PDF) 2 Page - Sanyo Semicon Device

номер детали LA4635A
подробное описание детали  For General Audio Use 2-Channel BTL AF Power Amplifier
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производитель  SANYO [Sanyo Semicon Device]
домашняя страница  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA4635A датащи(HTML) 2 Page - Sanyo Semicon Device

  LA4635A Datasheet HTML 1Page - Sanyo Semicon Device LA4635A Datasheet HTML 2Page - Sanyo Semicon Device LA4635A Datasheet HTML 3Page - Sanyo Semicon Device  
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LA4635A
No. 6983-2/3
Sample Application Circuit
+
DC
+
IN1
+
IN2
+
P.P
PWR
GND
+
OUT2
NC
NC
STBY
VCC
VCC
PRE
GND
(Ripple Filter)
(Popping Noise
Eliminator)
+
+
OUT1
LA4635A
Top view
1
2
3
4
5
6
7
10
11
12
8
9
ILA00778
Operating Characteristics at Ta = 25
°C, VCC = 12 V, RL = 3 Ω, f = 1 kHz, Rg = 600 Ω
Parameter
Symbol
Conditions
Ratings
min
typ
max
Unit
Quiescent current
ICCO
Rg = 0
18
35
80
mA
Standby current
Ist
110
µA
Voltage gain
VG
VO = 0 dBm
33
35
37
dB
Total harmonic distortion
THD
PO = 1 W
0.15
0.4
%
Output power
PO1
THD = 10%
3.0
4.5
W
PO2VCC = 9 V, THD = 10%
2.0
2.5
W
Output noise voltage
VNO
Rg = 0, BPF = 20 Hz to 20 kHz
0.05
0.25
mV
Ripple rejection
SVRR
Rg = 0, fR = 100 Hz, VR = 0 dBm
50
60
dB
Channel separation
CH Sep
Rg = 10 k
Ω, VO = 0 dBm
55
65
dB
Input resistance
Ri
20
30
40
k
Standby pin voltage
VST
Amplifier on (pin 5 voltage)
1.5
5.0
V
* If voltage is to be
applied to the Standby
pin (pin 5), a resistor
(Rx) should be
inserted to limit the
inflow current, as
required. Please refer
to the information
below.
• The amplifier can be turned on and off by controlling
the level (high/low) of pin 5.
• Applying a signal equal or greater than 1.5 V and
800
µA to pin 5 turns on the amplifier. (If 5 V is applied
directly to pin 5 the inflow current of pin 5 is approxi-
mately 4.5 mA.)
• If a voltage, Vx, exceeding 5 V is to be applied, current
limiting resistor (Rx) should be inserted to limit the
inflow current to 4.5 mA. (See following equation.)
Rx = (Vx – 5 V) / 4.5 mA
• If pin 5 is to be controlled by the microprocessor, the
pin 5 inflow current (Ix) should be optimized for the
capacity of the microprocessor by calculating Rx using
the following equation, as a general guideline, and then
confirming the inflow current through actual measure-
ment.
Rx = (Vx / Ix) – R1 (2 k
Ω)
Note: The LA4635A is basically pin-compatible with the
LA4636, but there are partial differences in
operation and usage, including with regard to
externally connected parts.
--20
0
120
80
100
140
20
40
60
160
0
5
10
15
3.2
7
12.5
25
20
30
ILA00777
Pd max -- Ta
qjc=3
°C / W
Infinite heat sink
AI heat sink
Mounting
torque 39N • cm
Flat washer
Silicone gr ease
applied
100 ¥ 100 ¥ 1.5 mm3
50 ¥ 50 ¥ 1.5 mm3
Ambient temperature, Ta –
°C
Single IC
+
Ix
Rx
Ix=max 4.5mA
STBY
R2
2k
ILA00779
5
Standby
Pin Voltage
Vx
(Reference) Pin 5 Equivalent Circuit Inside IC


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