Sanyo LA4815VH Monaural power amplifier Datasheet

Ordering number : ENA1374B
LA4815VH
Monolithic Linear IC
Monaural Power Amplifier
Overview
The LA4815VH incorporates a 1-channel power amplifier with a wide operating supply voltage range built into a
surface-mounted package. This IC also has a mute function and requires only a few external components, making it
suitable for low-cost set design.
Applications
Intercoms, door phones, transceivers, radios, toys, home appliances with voice guidance, etc.
Features
• Built-in 1-channel power amplifier
Output power 1 = 1.84W typ. (VCC = 12V, RL = 8Ω, THD = 10%)
Output power 2 = 1.55W typ. (VCC = 9V, RL = 4Ω, THD = 10%)
Output power 3 = 0.36W typ. (VCC = 6V, RL = 8Ω, THD = 10%)
Output power 4 = 0.23W typ. (VCC = 5V, RL = 8Ω, THD = 10%)
• Mute function
• Selectable voltage gain : 2 types
26dB/40dB
* Gain values between 26 and 40dB can also be set by adding external components (two resistors).
• Only a few external components
4 components/total
• Wide supply voltage range
4 to 16V
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment. The products mentioned herein
shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life,
aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system,
safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives
in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any
guarantee thereof. If you should intend to use our products for new introduction or other application different
from current conditions on the usage of automotive device, communication device, office equipment, industrial
equipment etc. , please consult with us about usage condition (temperature, operation time etc.) prior to the
intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely
responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer ' s products or
equipment.
D0512NK 20090226-S00009 /31109 MS / D1008 MS PC No.A1374-1/15
LA4815VH
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Maximum power supply voltage
VCC max
Allowable power dissipation
Pd max
Operating temperature
Storage temperature
Conditions
Ratings
Unit
18
V
1.5
W
Topr
-30 to +75
°C
Tstg
-40 to +150
°C
* Mounted on the board
* Mounted on SANYO evaluation board : Double-sided board with dimensions of 50mm × 50mm × 1.6mm (glass epoxy)
Operating Conditions at Ta = 25°C
Parameter
Recommended power supply
Symbol
Conditions
Ratings
Unit
VCC
12
V
voltage
Recommended load resistance
RL
4 to 32
Ω
Allowable operating supply
VCC op
4 to 16
V
voltage range
* The supply voltage level to be used must be determined with due consideration given to the allowable power dissipation of the IC.
Electrical Characteristics at Ta = 25°C, VCC = 12V, RL = 8Ω, fin = 1kHz
Ratings
Parameter
Symbol
Conditions
Unit
min
Quiescent current drain-1
ICCOP1
typ
No signal
max
5.3
9.5
mA
Quiescent current drain-2
ICCOP2
No signal, pin 3 = LOW
Maximum output power-1
POMAX1
THD = 10%
Maximum output power-2
POMAX2
THD = 10%, VCC = 9V, RL = 4Ω
Voltage gain-1
VG1
VIN = -30dBV
Voltage gain-2
VG2
VIN = -40dBV, pin 4/pin11 = GND
Total harmonic distortion
THD
VIN = -30dBV
Mute attenuation
MT
VIN = -10dBV, pin 3 = LOW
Output noise voltage
VNOUT
Rg = 620Ω, 20 to 20kHz
40
Ripple rejection ratio
SVRR
Rg = 620Ω, fr = 100Hz, Vr = -20dBV
44
Mute control voltage-LOW
V3cntL
Mute mode
Mute control voltage-HIGH1
V3cntH1
Mute released, VCC = 6.5V or lower
1.8
V
Mute control voltage-HIGH2
V3cntH2
Mute released, VCC = 6.5V or higher
2.4
V
Input resistance
Ri
1.2
2.4
mA
1.84
W
1.55
W
23.9
25.9
27.9
dB
37
39.5
42
dB
0.125
0.7
%
100
μVrms
-90
-115
dBV
dB
0.3
100
V
kΩ
No.A1374-2/15
LA4815VH
Package Dimensions
unit : mm (typ)
3313
Pd max – Ta
6.5
0.5
6.4
8
4.4
14
1
1.3
7
0.22
0.15
0.65
1.5
1.5
SANYO evaluation board (double-sided),
50 × 50 × 1.6mm3 (glass epoxy)
1.0
0.90
0.5
Independent IC
0.35
0.21
0
– 30 – 20
0
20
40
60
75 80
100
Ambient temperature, Ta – °C
0.1 (1.3)
1.5max
(2.35)
Allowable power dissipation, Pd max – W
2.0
SANYO : HSSOP14(225mil)
Evaluation board
1. Double-sided circuit board
Dimensions : 50mm × 50mm × 1.6mm
Top Layer (Top view)
Bottom Layer (Top view)
No.A1374-3/15
LA4815VH
Block Diagram and Sample Application Circuit
Vin
Cin = 1μF
PGND
14
IN
13
GND1
12
GAIN1
11
10
NC
9
NC
8
NC
NC
NC
NC
5
6
7
Radiator Fin
BIAS
Power
Amp
PreAmp
Vbias
-
VCC
MUTE
2
3
1
MUTE
VCC
Cout = 220μF
+
Cosc = 0.1μF
+
VCC
4
GAIN2
CVCC = 10μF
OUT
Speaker
(8Ω)
+
from CPU
Test Circuit
620Ω
Vin
S11
1μF
S1
14
PGND
13
IN
12
GND1
11
GAIN1
10
NC
9
NC
8
NC
OUT
1
VCC
2
MUTE
3
GAIN2
4
NC
5
NC
6
NC
7
S3
S2
0.1μF
+
VOUT
RL
8Ω
0.3V
220μF
VCC
+
10μF
0.1μF
No.A1374-4/15
LA4815VH
Pin Functions
Pin Voltage
11
Pin Name
GAIN1
Description
VCC = 12V
0.35
Equivalent Circuit
Gain switching pin.
• 26dB mode when left open.
VCC
• 40dB mode when connected to ground.
(Both pins 11 and 4 must be reconfigured at
122Ω
BIAS
Pin No.
10kΩ
11
the same time.)
500Ω
GND
12
GND1
0
13
IN
1.7
Preamplifier system ground pin.
Input pin.
VCC
Pre-Amp
+
13
100kΩ
Vbias
14
PGND
0
Power amplifier ground pin.
1
OUT
5.9
Power amplifier output pin.
VCC
VCC
10kΩ
Pre-Amp
1
GND
2
VCC
12
Power supply pin.
3
MUTE
4.9
Mute control pin.
VCC
• Mute ON ⇒ Low
VCC
• Mute OFF ⇒ High
3
GND
4
GAIN2
0.35
Gain switching pin.
• 26dB mode when left open.
VCC
• 40dB mode when connected to ground.
(Both pins 11 and 4 must be reconfigured at
the same time.)
125Ω
10kΩ
OUT
4
500Ω
GND
No.A1374-5/15
LA4815VH
Notes on Using the IC
1. Voltage gain settings (Pins 4 and 11)
The voltage gain of the power amplifier is fixed by the internal resistors.
• Pins 4 and 11 be left open : Approximately 26dB
• Pins 4 and 11 connected to GND : Approximately 39.5dB
Note that the voltage gain can be changed using two resistors. (See Fig. 1)
• Voltage gain setting : According to the resistor connected between Pin 4 and Pin 12 (GND1)
* Voltage gain = 20log (20 × (625 + Rvg1)/(125 + Rvg1))
• Output DC voltage setting : According to the resistor connected between Pin 11 and Pin 12 (GND1)
* Rvg1 = Rvg2 must be satisfied.
In addition, the voltage gain can also be lowered to approximately 20dB (when using 5V or 6V power supply) by an
application such as shown in Fig. 2 below.
• Voltage gain setting : According to the resistor connected between Pin 4 and Pin 1 (OUT)
* Voltage gain = 20log (20 × (125 + Rvg3)/(10,125 + Rvg3))
• Output DC voltage setting : According to the resistor connected between Pin 11 and Pin 2 (VCC)
* Set the resistor values so that the Pin 5 (OUT) DC voltage is approximately half the supply voltage.
Example : When Rvg3 = 10kΩ, Rvg4 = 22kΩ(when VCC = 6V)
However, note that using this method to greatly lower the voltage gain deteriorates the characteristics, so the voltage
gain should be lowered only to approximately 20dB. In addition, when using a high supply voltage (7V or more), the
clipped waveform may invert, so this voltage gain reduction method must not be used in these cases.
Rvg4
Rvg2
12
11
GND1 GAIN1
12
11
GND1 GAIN1
LA4815VH
OUT
1
VCC
2
LA4815VH
GAIN2
OUT
4
1
VCC
2
GAIN2
4
Rvg3
Rvg1
Figure 1
Figure 2
2. Signal source impedance : rg
As mentioned above, since the input coupling capacitor Cin affects the ripple rejection ratio, the signal source
impedance value rg, which is associated with this capacitor, also affects the ripple rejection ratio, so rg should be as
small as possible. Therefore, when attenuating the signal at the Cin front end as shown in Fig. 4, the constants should be
set in consideration of these characteristics. Using the smallest resistor Rg1 value possible is recommended.
In addition, when setting the signal level, the voltage gain should be set on the LA4815VH side and the input front-end
should be configured using only the input coupling capacitor, Cin, as shown in Fig. 5 in order to maximize the ripple
rejection ratio.
Rg2
OUT
Cin
13 IN
ro
LA4815VH
Cin
Rg1
other IC
IN
13
Pre-Amp
+
100kΩ
rg
Vbias
Figure 4
OUT
Cin
13 IN
ro
LA4815VH
Figure 3
other IC
Figure 5
No.A1374-6/15
LA4815VH
3. Mute control pin (Pin 3)
The internal power amplifier circuit can be disabled and audio mute is turned on by controlling the voltage applied to
Pin 3. Control can be performed directly using the CPU output port, but digital noise from the CPU may worsen the
LA4815VH noise floor. Therefore, inserting a series resistor, Rm1 (1 to 2.2kΩ) as shown in Fig. 6, is recommended.
• Mute ON : Low
• Mute OFF : High or open
In addition, the Pin 3 DC voltage is dependent on the supply voltage, so a reverse current flows to the CPU power
supply line when the Pin 3 voltage is higher than the CPU supply voltage. In these cases, connect a resistor, Rm2 (see
Fig. 7) between Pin 3 and GND to lower the Pin 3 DC voltage as shown in Fig. 6.
Note that when not using the mute function, Pin 3 must be left open.
LA4815VH
VCC
VDD
I/O port
3
Rm1
Rm2
VSS
CPU
* For reverse
current prevention
GND
Figure 6
Reverse current prevention resistor value : Rm2 (reference value) ← When V3 is set to approximately 2.5V
Rm2 – VCC
1000
7
Impedance, Rm2 – kΩ
5
3
2
100
7
5
3
2
10
6
8
10
12
14
16
18
20
Supply voltage, VCC – V
Figure 7
4. Mute control timing
When performing mute control, exercise control at the timing shown in Fig. 8.
During power-on : Twu = 0 to 50ms
* Pins 2 and 3 can also rise simultaneously.
During power-off : Twd = 100 to 200ms
Pin 2
(VCC)
Pin 3
(MUTE)
Twu
Twd
Figure 8
No.A1374-7/15
LA4815VH
5. Popping noise reduction during power-off
The power supply line can be directly controlled ON and OFF without using the mute function. However, when using
a high supply voltage, the shock noise and aftersound during power-off tends to worsen. One method of coping with
this is to connect a capacitor between Pin 2 (VCC) and Pin 3 (MUTE) so that the auto mute function operates during
power-off.
Recommended value = 1μF
LA4815VH
2 VCC
CVCC
+
Cmt +
1μF
3 MUTE
Figure 9
6. Input coupling capacitor (Cin)
Cin is an input coupling capacitor, and is used for DC cutting. However, this capacitor is also used to improve the ripple
rejection ratio, which changes according to the capacitance value (recommended value = 1μF). In addition, this
capacitor also affects the transient response characteristics during power-on and when mute is canceled, so the constant
should be set in consideration of these characteristics.
Design reference value = approximately 0.33 to 3.3μF
• Ripple rejection ratio : Increasing the capacitance value increases the rate, and reducing the value reduces the rate.
• Rise response speed : Increasing the capacitance value reduces the speed, and reducing the value increases the
speed.
• Popping noise : Increasing the capacitance value reduces the noise, and reducing the value increases the noise.
7. Output coupling capacitor (Cout)
Cout is an output coupling capacitor used for DC cutting. However, this capacitor, Cout, in combination with load
impedance RL forms a high-pass filter and attenuates the low frequency signals. Take into account the cutoff frequency
when determining the capacitance value. In addition, normally a chemical capacitor is used for this capacitor, but the
capacitance value of chemical capacitors decreases at low temperatures, so the value should be set in accordance with
this characteristic.
The cutoff frequency is expressed by the following formula.
fc = 1/(2π × RL × Cout)
8. Output phase compensation capacitor (Cosc)
The Cosc capacitor is used to prevent output oscillation. Use a ceramic capacitor (recommended value = 0.1μF) with
good high frequency characteristics, and locate this capacitor as close to the IC as possible.
9. Power supply capacitor (CVCC)
The CVCC capacitor is used to suppress the ripple component of the power supply line. Normally a chemical capacitor
(recommended value = 10μF) is used for this capacitor. However, chemical capacitors have poor high frequency
characteristics, so when using a CPU, DSP or other IC that generates digital noise in the set, it is recommended that a
power supply bypass capacitor (ceramic capacitor, recommended value = approximately 0.1μF) be added to reject
high-frequency components. Locate this bypass capacitor as close to the IC as possible.
10. NC pin treatment
Since the NC pins (pins 5 to 10) are connected to nothing internally, they may be left open. To increase the heat
dissipation efficiency, however, it is recommended that the NC pins should be connected to the GND line.
No.A1374-8/15
LA4815VH
11. Signal mixing methods
The following methods can be used to mix a beep, key tone or other signal into the audio signal. Note that when input
to Pin 4 is selected, amplification of signals input from Pin 4 changes according to impedance Z4 connected to Pin 13.
11-1. Mixing method using resistors in the Pin 13 input front end
Vout2
OUT2
Signal-2
ro
OUT1
Signal-1
ro
Rg3
Pin 13 input impedance : Zin = 100kΩ
Rg2
IN
Vin
Vout1
Rg1
-
Pre-Amp
+
13
Cin
100kΩ
Vbias
LA4815VH
other IC
Figure 10
11-2. Method using input to Pin 4
• First signal system (Signal-1) voltage gain : Vg1
Vg1 = 20log (Vout/Vin1) = 20log (4 × (125 + Z4) (500 + (125 × Z4/(125 + Z4)))/(25 × Z4))
* Z4 = R1 + ro
• Second signal system (Signal-2) voltage gain : Vg2
Vg2 = 20log (Vout/Vin2) = 20log (10000/(125 + R1))
* fc2 = 1/(2π × Cin2 × (R1 + 125))
4
+
Cin2
OUT2
Signal-2
125Ω
R1
Vin2
10kΩ
OUT
1 Vout
GAIN2
500Ω
ro
OUT1
Signal-1
Rg2
Pre-Amp
Vin1
ro
Rg1
other IC
13
Cin
+
IN
100kΩ
+
PWR - Amp
Vbias
LA4815VH
Figure 11
12. Short-circuit between pins
Turning on the power supply with some pins short-circuited may cause deterioration or breakdown. Therefore, when
mounting the IC on a board, check to make sure that no short-circuit is formed between pins by solder or other foreign
substances before turning on the power supply.
13. Load short circuit
Leaving the IC for a long time in the condition with a load short circuit may cause deterioration or breakdown.
Therefore, never short-circuit the load.
14. Maximum ratings
When used under conditions near the maximum ratings, even a slight fluctuation in the conditions may cause the
maximum ratings to be exceeded, possibly resulting in a breakdown or other accidents. Therefore, always provide
enough margin for fluctuations in the supply voltage and other conditions, and use within a range not exceeding the
maximum ratings.
No.A1374-9/15
LA4815VH
3
2
0.1
7
5
0.01
2
3
5
7 0.1
2
3
5
7
2
1
3
5
10
7
5
3
2
1
7
5
3
2
0.1
7
5
0.01
2
3
5
Total harmonic distortion, THD – %
THD – PO
RL = 16Ω
VG = 26dB
fin = 1kHz
1
7
5
3
2
1
7
5
3
2
0.1
7
5
3
2
0.01
0.01
2
3
5
7 0.1
2
3
5
7
2
1
3
10
7
5
THD – f
VG
VG
3
2
=
B
40d
6dB
=2
0.1
7
5
3
2
0.01
100
2
3
5
7 1k
2
3
5
3
7 10k
2
3
=
VG
1
7
5
VG
3
VOUT – VIN
5
VCC = 6V
–5
– 10
– 15
10
7
5
3
2
2
3
5 7
1k
2
3
5
2
3
5
6dB
=2
3
5 7 10k
THD – f
VCC = 12V
RL = 16Ω
PO = 50mW
1
=
VG
7
5
=
VG
3
2
B
40d
B
26d
0.1
7
5
3
2
2
3
5
7 1k
2
3
5 7 10k
VG = 26dB
25
20
15
5
0
VG = 40dB
30
– 25
– 10
VG – f
VCC = 12V
RL = 8Ω
35
10
Input level, VIN – dBV
2
B
40d
2
– 20
– 20
5
3
40
0
– 30
3
0.1
7
5
45
VCC = 15V
12V
V CC =
– 40
2
Frequency, f – Hz
10
– 30
– 50
1
2
0.01
100
5
Voltage gain, VG – dB
Output level, VOUT – dBV
15
VG = 26dB
RL = 8Ω
fin = 1kHz
7
2
Frequency, f – Hz
20
5
Frequency, f – Hz
VCC = 12V
RL = 4Ω
PO = 200mW
1
7
5
3
THD – f
0.01
100
5
Total harmonic distortion, THD – %
Total harmonic distortion, THD – %
3
2
2
VCC = 12V
RL = 8Ω
PO = 100mW
Output power, PO – W
10
7
5
7 0.1
Output power, PO – W
VCC = 1
2V
VCC = 1
5V
Total harmonic distortion, THD – %
Output power, PO – W
10
7
5
3
2
VCC = 9V
VCC = 12V
1
7
5
3
2
THD – PO
RL = 4Ω
VG = 26dB
fin = 1kHz
VC =
C 5V
VCC = 6V
Total harmonic distortion, THD – %
VCC = 1
2V
VCC = 1
5V
3
2
VCC = 9V
10
7
5
VCC = 6V
3
2
5
RL = 8Ω
VG = 26dB
fin = 1kHz
VC =
C 5V
Total harmonic distortion, THD – %
General characteristics (1)
THD – PO
5
0
0.01
2 3
5 7 0.1
2 3
5 7 1k
2 3
5 7 10k
Frequency, f – Hz
2 3
5 7100k
No.A1374-10/15
LA4815VH
0.3
VC
0.8
V CC
V
12
=
)
(Pd
0.2
P
O
I CC
0.4
0.1
(P
d)
OP
12
V
=
1.6
0.5
0.4
0.3
1.2
)
0.8
C
VC
0.4
VCC
= 6V
=
9V
(Pd
0.2
(Pd)
0.1
Supply current, ICCOP – A
C
1.2
0.4
Pd – PO
RL = 4Ω
VG = 26dB
fin = 1kHz
IC
C
V
15
=
(P
2
V
CC
d)
1.6
0.5
Power dissipation, Pd – W
Power dissipation, Pd – W
RL = 8Ω
VG = 26dB
fin = 1kHz
Supply current, ICCOP – A
General characteristics (2)
Pd – PO
2
VCC = 6V (Pd)
0
0.01
0
2
3
5
7 0.1
2
3
5
7
2
1
3
0
0.01
5
0
2
3
5
0
0.01
OP
I CC
0.1
0
2
3
5
7 0.1
2
3
5
7
2
1
3
5
dB
VG
45
6
=2
0dB
VG = 4
40
35
30
25
20
0.1
5
Max. output power, PO max – W
Supply voltage ripple rejection, SVRR – dB
50
2
3
5
7
2
1
3
5
Capacitance, Cin – μF
VG = 26dB
THD = 10%
7
55
50
45
40
35
10
2 3
5 7 100
3
4Ω
RL
1
55
50
45
VG = 26dB
40
VG = 40dB
=8
Ω
RL
= 16
2 3
5 7 10k
35
30
25
20
Ω
0
2 3
5 7 10
2 3
5 7100
2 3
5 7 1k
2 3
Impeadance, Rg – Ω
5 710k
PO max – RL
10
4
RL
5 7 1k
VCC = 12V
RL = 8Ω
Vr = -20dBV
fr = 100Hz
Cin = 1μF
VCC = 12V
VG = 26dB
THD = 10%
7
=
2 3
SVRR – Rg
60
1
PO max – VCC
2
5
=2
60
10
Max. output power, PO max – W
Supply voltage ripple rejection, SVRR – dB
55
2 3
6d
65
B
VCC = 12V
RL = 8Ω
Rg = 620Ω
Vr = -20dBV
Cin = 1μF
Input frequency, fin – Hz
SVRR – Cin
VCC = 12V
RL = 8Ω
Vr = -20dBV
fr = 100Hz
Rg = 620Ω
5
SVRR – fin
70
Output power, PO – W
60
3
dB
0.2
d)
0.25
2
1
40
d)
(P
=
P
C
V(
V C = 12
V CC
7
VG
0.3
V
15
5
=
0.4
0.75
0.5
3
VG
RL = 16Ω
VG = 26dB
fin = 1kHz
Supply current, ICCOP – A
Power dissipation, Pd – W
1
2
Output power, PO – W
Pd – PO
Supply voltage ripple rejection, SVRR – dB
Output power, PO – W
7 0.1
5
3
2
1
7
5
3
2
0.1
3
6
9
12
Supply voltage, VCC – V
15
18
1
2
3
5
7
10
2
3
Load impeadance, RL – Ω
5
7
100
No.A1374-11/15
LA4815VH
0
– 20
Muting level, Vmute – dBV
Control voltage, V3cont – V
RL = 8Ω
VG = 26dB
VIN = -20dBV
1.5
1
0.5
Vmute – VIN
VCC = 12V
RL = 8Ω
VG = 40dB
VG = 26dB
General characteristics (3)
V3cont – VCC
2
– 40
– 60
– 80
– 100
– 120
– 140
– 30
0
4
6
8
10
12
14
16
18
– 25
– 20
Supply voltage, VCC – V
Vpin – VCC
7
Pin voltage, Vpin – V
B)
6d
2
1(
8
n
Pi
Pin
B)
d
40
(
n1
Pi
6
– 10
–5
0
ICCO – VCC
RL = OPEN
Rg = 0Ω
6
Supply current, ICCO – mA
10
– 15
Input level, VIN – dBV
3
4
2
F
E-OF
MUT
5
4
3
E-ON
MUT
2
1
0
0
2
4
6
8
10
12
14
16
0
0
18
2
Supply voltage, VCC – V
Muting level, Vmute – dBV
Muting level, Vmute – dBV
– 110
RL = 8Ω
Vg = 26dB
VIN = -10dBV
fin = 1kHz
– 115
– 120
– 125
– 130
8
10
12
14
16
18
– 115
Vmute – fin
VCC = 12V
RL = 8Ω
VG = 26dB
VIN = -10dBV
– 120
– 125
– 130
4
6
8
10
12
14
16
18
Supply voltage, VCC – V
0.01
2 3
5 7 0.1
2 3
5 7 1k
2 3
5 7 10k
2 3
5 7100k
Input frequency, fin – Hz
VNO – VCC
200
Noise voltage, VNO – μVrms
6
Supply voltage, VCC – V
Vmute – VCC
– 110
4
RL = 8Ω
Rg = 620Ω
DIN AUDIO
150
VG = 40dB
100
50
VG = 26dB
0
4
6
8
10
12
14
16
18
Supply voltage, VCC – V
No.A1374-12/15
LA4815VH
3
2
1
7
5
3
2
Ta = 75°C
2
3
5
7 0.1
2
3
5
7
1
2
3
5
3
2
10
7
5
THD – PO
VCC = 9V
RL = 4Ω
VG = 26dB
fin =1kHz
3
2
1
7
5
3
2
0.1
7
5
0.01
Ta = -25°C
2
3
5
Output power, PO – W
0.1
7
5
3
2
Output power, PO – W
Output power, PO – W
VCC = 6V
3
2
VCC = 5V
RL = 8Ω
VG = 26dB
fin = 1kHz
THD = 10%
0.01
– 50
– 25
50
2
0.1
7
5
75
100
RL = 4Ω
VG = 26dB
fin = 1kHz
THD = 10%
– 25
0
25
60
VCC = 15V
1
7
5
VCC = 12V
50
75
100
75
100
75
100
VG – Ta
VCC = 12V
RL = 8Ω
VG = 40dB
50
2
5
Ambient temperature, Ta – °C
Voltage gain, VG – dB
Output power, PO – W
3
3
VCC = 5V
0.01
– 50
PO – Ta
RL = 16Ω
VG = 26dB
fin = 1kHz
THD = 10%
2
1
VCC = 6V
3
Ambient temperature, Ta – °C
10
7
5
7
VCC = 9V
1
7
5
2
25
5
2
3
0
3
VCC = 12V
3
VCC = 12V
1
7
5
2
PO – Ta
10
7
5
VCC = 15V
3
2
7 0.1
Output power, PO – W
PO – Ta
10
7
5
Ta = 2
5°C
10
7
5
0.1
7
5
0.01
Total harmonic distortion, THD – %
2
Ta = 25°C
3
5
VCC = 12V
RL = 8Ω
VG = 26dB
fin =1kHz
Ta = 25°C
Total harmonic distortion, THD – %
5
Ta = 75°
C
Temperature characteristics (1)
THD – PO
3
2
0.1
7
5
40
VG = 26dB
30
20
10
3
2
0.01
– 50
– 25
0
25
50
75
0
– 50
100
– 25
Ambient temperature, Ta – °C
50
VNO – Ta
6
VCC = 12V
RL = 8Ω
Rg = 620Ω
DIN AUDIO
5
Pin 3 voltage, V3 – V
Noise voltage, VNO – μVrms
60
40
30
20
25
50
V3 – Ta
VCC = 12V
RL = OPEN
Rg = 0Ω
4
3
2
1
10
0
– 50
0
Ambient temperature, Ta – °C
– 25
0
25
50
Ambient temperature, Ta – °C
75
100
0
– 50
– 25
0
25
50
Ambient temperature, Ta – °C
No.A1374-13/15
LA4815VH
Temperature characteristics (2)
V3cont – VCC
7
RL = 8Ω
VG = 26dB
fin = 1kHz
VIN = -30dBV
2
ICCO – VCC
RL = OPEN
Rg = 0Ω
6
Ta =
1.5
Ta =
Ta =
1
Supply current, ICCO – mA
Control voltage, V3cont – V
2.5
-25°
C
25°
C
75°
C
0.5
Ta = 75°C
5°C
Ta = 2 C
-25°
Ta =
5
4
3
2
1
0
4
6
8
10
12
14
16
18
0
0
2
Supply voltage, VCC – V
4
6
8
10
12
14
16
18
Supply voltage, VCC – V
Muting on and off transient characteristics
VCC = 6V
RL = 8Ω
Cin = 1μF
VCC = 6V
RL = 8Ω
Cin = 2.2μF
200ms/div
VCC = 12V
RL = 8Ω
Cin = 1μF
200ms/div
OUT : 200mV/div, AC
OUT : 200mV/div, AC
Pin 7 : 2V/div, DC
Pin 7 : 2V/div, DC
200ms/div
VCC = 12V
RL = 8Ω
Cin = 2.2μF
200ms/div
OUT : 200mV/div, AC
OUT : 200mV/div, AC
Pin 7 : 2V/div, DC
Pin 7 : 2V/div, DC
No.A1374-14/15
LA4815VH
SANYO Semiconductor Co.,Ltd. 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 Semiconductor Co.,Ltd.
products described or contained herein.
Regarding monolithic semiconductors, if you should intend to use this IC continuously under high temperature,
high current, high voltage, or drastic temperature change, even if it is used within the range of absolute
maximum ratings or operating conditions, there is a possibility of decrease reliability. Please contact us for a
confirmation.
SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all
semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or
malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise
to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt
safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not
limited to protective circuits and error prevention circuits for safe design, redundant design, and structural
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In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are
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Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the
SANYO Semiconductor Co.,Ltd. product that you intend to use.
Upon using the technical information or products described herein, neither warranty nor license shall be granted
with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third
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intellectual property rights which has resulted from the use of the technical information and products mentioned
above.
This catalog provides information as of December, 2012. Specifications and information herein are subject
to change without notice.
PS No.A1374-15/15