ETC AN7512SH

ICs for Audio Common Use
AN7512SH
Dual 1-W BTL audio power amplifier
■ Overview
Unit: mm
No resin area
14.00 ± 0.10
(6.90)
(5.45)
Seating plane
29
56
1
28
0.50
(0.25)
■ Applications
• LCD televisions, monitor with speaker for personal computers
0.10
0.20 ± 0.05
0.10 M
Seating plane
0.15 ± 0.05
• 1-W output (8 Ω) with supply voltage of 5 V
• On-chip standby function
• On-chip volume function
• Small and thin surface mount package
0.10±0.10
■ Features
(1.00)
1.20 max.
(2.25)
(3.70)
6.10 ± 0.10
8.10 ± 0.20
The AN7512SH is an audio power amplifier IC
with surface mount package for stereo system. The
BTL (Balanced Transformer-Less) method can provide fewer external parts and more easy design for
applications.
(1.00)
0° to 8°
0.50 ± 0.10
HSOP056-P-0300A
■ Block Diagram
RL = 8 Ω
RL = 8 Ω
VCC
470 µF
56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
TAB
Volume
Standby
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
68 kΩ
Standby
270 kΩ
10 µF
Off
0V
1 µF
5V
On
10 kΩ
VIN
1 µF
10 kΩ
Volume
0V
1.25 V
VIN
1
AN7512SH
ICs for Audio Common Use
■ Pin Descriptions
Pin No.
Description
Pin No.
Description
1
Standby (standby state if this pin is open.)
33
Ground (output ch.2)
9
Ch.1 input
37
Ch.2 + output
12
Ground (input)
42
TAB (tablet)
15
TAB (tablet)
45
Supply voltage
20
Ch.2 input
48
Ch.1 + output
28
Volume (muting off if this pin is open.)
52
Ground (output ch.1)
29
Ch.2 − output
56
Ch.1 − output
N.C. Pin No.
2, 3, 4, 5, 6, 7, 8, 10, 11, 13, 14, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 30, 31, 32, 34, 35, 36, 38,
39, 40, 41, 43, 44, 46, 47, 49, 50, 51, 53, 54, 55
Note) Please do not apply voltage or current to the N.C. pin from outside.
■ Absolute Maximum Ratings
Parameter
Supply voltage
*2
Symbol
Rating
Unit
VCC
14
V
ICC
2.0
A
PD
690
mW
Topr
−25 to +75
°C
Tstg
−55 to +150
°C
Supply current
Power dissipation
*3
Operating ambient temperature
Storage temperature
*1
*1
Note) *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C.
*2: At no signal.
*3: The power dissipation shown is the value for the independent IC without a heat sink at Ta = 25°C.
Refer to PD  Ta curves at mounted on standard board.
■ Recommended Operating Range
Parameter
Supply voltage
2
Symbol
Range
Unit
VCC
3 to 8
V
ICs for Audio Common Use
AN7512SH
■ Electrical Characteristics at VCC = 5.0 V, RL = 8 Ω, f = 1 kHz, Ta = 25°C ± 2°C
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Quiescent circuit current
ICQ
VIN = 0 mV, Vol. = 0 V

35
100
mA
Standby current
ISTB
VIN = 0 mV, Vol. = 0 V

1
10
µA
VNO
Rg = 10 kΩ, Vol. = 0 V

0.10
0.4
mV[rms]
GV
PO = 0.25 W, Vol. = 1.25 V
31
33
35
dB
THD
PO = 0.25 W, Vol. = 1.25 V

0.10
0.5
%
PO1
THD = 10%, Vol. = 1.25 V
0.7
1.0

W
RR
Rg = 10 kΩ, Vol. = 0 V,
VR = 0.5 V[rms], fR = 120 Hz
30
50

dB
Output noise voltage
*
Voltage gain
Total harmonics distortion
Maximum output power
Ripple rejection ratio
*
VOFF
Rg = 10 kΩ, Vol. = 0 V
−250
0
250
mV
Att
PO = 0.25 W, Vol. = 0 V
70
85

dB
Channel balance 1
CB1
PO = 0.25 W, Vol. = 1.25 V
−1
0
1
dB
Channel balance 2
CB2
PO = 0.25 W, Vol. = 0.6 V
−3
0
3
dB
Intermediate voltage gain
GVM
PO = 0.25 W, Vol. = 0.6 V
20.5
23.5
26.5
dB
Channel crosstalk
CT
PO = 0.25 W, Vol. = 1.25 V
40
55

dB
Output offset voltage
Volume attenuation rate
*
Note) *: In measuring, the filter for the range of 15 Hz to 30 kHz (12 dB/OCT) is used.
■ Terminal Equivalent Circuits
Pin No.
Pin name
1
Standby pin
Equivalent circuit
Voltage
VCC
To the shock
sound
prevention
circuit
30 kΩ
1
10 kΩ
Standby off at
5 V application.
VRF
(≈ VCC)
200 Ω
2 kΩ
50 kΩ
12 kΩ
33 kΩ
1/2 VCC
10 kΩ
To the constant
current circuit
5 kΩ
2
N.C.


3
N.C.


4
N.C.


5
N.C.


6
N.C.


7
N.C.


8
N.C.


3
AN7512SH
ICs for Audio Common Use
■ Terminal Equivalent Circuits (continued)
Pin No.
Pin name
9
Ch.1 input pin
Equivalent circuit
Voltage
VREF1 (1.4 V)
VCC
50 µA
30 kΩ
50 µA
100 µA
1.4 V
(Input circuit
bias voltage is
output.)
1 kΩ
9
1 kΩ
1 kΩ
500 Ω
10
N.C.


11
N.C.


12
GND
0V
12
13
N.C.


14
N.C.


15
GND
Connected to TAB

16
N.C.


17
N.C.


18
N.C.


19
N.C.


20
Ch.2 input pin
VREF1 (1.4 V)
VCC
50 µA
50 µA
30 kΩ
100 µA
1 kΩ
20
1 kΩ
4
1 kΩ
500 Ω
1.4 V
(Input circuit
bias voltage is
output.)
ICs for Audio Common Use
AN7512SH
■ Terminal Equivalent Circuits (continued)
Pin No.
Pin name
Equivalent circuit
Voltage
21
N.C.


22
N.C.


23
N.C.


24
N.C.


25
N.C.


26
N.C.


27
N.C.


28
Volume pin
Supplied with
0 V to 1.25 V
VCC
50 µA
1 kΩ
28
29
12 kΩ
Ch.2 − output pin
VCC
200 Ω
1/2 VCC
800 Ω
50 Ω
2.15 V
(at no signal)
29
20 kΩ
30
N.C.


31
N.C.


32
N.C.


33
GND
0V
33
34
N.C.


35
N.C.


36
N.C.


5
AN7512SH
ICs for Audio Common Use
■ Terminal Equivalent Circuits (continued)
Pin No.
Pin name
37
Ch.2 + output pin
Equivalent circuit
VCC
200 Ω
1/2 VCC
800 Ω
50 Ω
2.15 V
(at no signal)
37
20 kΩ
38
N.C.


39
N.C.


40
N.C.


41
N.C.


42
GND
Connected to TAB
0V
43
N.C.


44
N.C.


45
VCC

5.0 V
46
N.C.


47
N.C.

48
Ch.1 + output pin

VCC
200 Ω
1/2 VCC
6
Voltage
800 Ω
50 Ω
2.15 V
(at no signal)
48
20 kΩ
49
N.C.


50
N.C.


51
N.C.


ICs for Audio Common Use
AN7512SH
■ Terminal Equivalent Circuits (continued)
Pin No.
Pin name
52
GND
Equivalent circuit
Voltage
0V
52
53
N.C.


54
N.C.


55
N.C.

56
Ch.1 − output pin

VCC
200 Ω
1/2 VCC
800 Ω
50 Ω
2.15 V
(at no signal)
56
20 kΩ
■ Usage Notes
• Please avoid the short circuit to VCC , ground, or load short circuit.
• Please connect the cooling fin with the GND potential.
• The thermal shutdown circuit operates at about Tj = 150°C. However, the thermal shutdown circuit is reset automatically if the temperature drops.
• Please carefully design the heat radiation especially when you take out high power at high VCC .
• Please connect only the ground for the signal input with the signal GND of the amplifier in the previous stage.
• Take notice that the ripple rejection ratio is poor in case of headphone use.
• Take notice that as to following pins, electric surge voltage is low.
At 200 pF, Pin1 = +140 V, Pin9 = +140 V, Pin20 = +130 V, Pin28 = +150 V.
• Use a speaker with 8 Ω or more impedance.
7
AN7512SH
ICs for Audio Common Use
■ Technical Data
• Main characteristics
• PD  Ta curve of HSOP056-P-0300A
CT  f
1.400
1.300
1.257
1.200
90
Mounted on standard board
(glass epoxy: 50 × 50 × t0.8 mm3)
Rth(j-a) = 79.5°C/W
80
Ch.1
70
1.000
Cross talk CT (dB)
Power dissipation PD (W)
1.100
0.900
0.800
0.700
0.690
0.600
Independent IC
without a heat sink
Rth( j-a) = 144.9°C/W
0.500
60
Ch.2
50
40
VCC = 5 V
PO = 0.25 W
RL = 8 Ω
Rg = 10 kΩ
VSTB = 5 V
Vol. = 1.25 V
30
20
0.400
0.300
10
0.200
0
10
100
1 000
10 000
100 000
0.100
Frequency f (Hz)
0.000
0
50
25
75
100
125
Ambient temperature Ta (°C)
ICQ , ISTB  VCC
100
f = 1 kHz
THD = 10%
RL = 8 Ω
400 Hz HPF
30 kHz LPF
Both ch. inputs
Rg = 10 kΩ
VSTB = 5 V
Vol. = 1.25 V
5
4
Ch.1, Ch.2
3
2
1
80
7
60
6
50
5
ICQ
40
4
30
3
20
0
0
2
4
6
8
10
12
2
ISTB
14
0
PO , THD  VIN
1
10
THD (ch.2, 10 kHz)
THD (ch.1, 10 kHz)
1
0.1
THD (ch.1, 100 kHz)
THD (ch.2, 100 kHz)
THD (ch.2, 1 kHz)
0.01
THD
(ch.1, 1 kHz)
PO (ch.1, ch.2)
0.001
1
10
100
Input voltage VIN (mV[rms])
8
6
8
10
12
0.1
0.01
1 000
3.5
14
0
0.9
0.8
3.0
Power consumption PC (W)
Both ch. inputs
Rg = 10 kΩ
VSTB = 5 V
Vol. = 1.25 V
4
PC , ICC  PO
100
Total harmonic distortion THD (%)
Output power PO (W)
VCC = 5 V
f = 1 kHz
RL = 8 Ω
400 Hz HPF
30 kHz LPF
2
1
Supply voltage VCC (V)
Supply voltage VCC (V)
10
8
70
10
0
9
ICC (8 Ω)
0.7
2.5
0.6
2.0
0.5
0.4
1.5
PC (8 Ω)
1.0
VCC = 5V
f = 1 kHz
RL = 8 Ω
400 Hz HPF
30 kHz LPF
0.5
0.0
0.0
0.5
Both ch. inputs
Rg = 10 kΩ
VSTB = 5 V
Vol. = 1.25 V
1.0
Output power (1-ch) PO (W)
0.3
0.2
0.1
0.0
1.5
Supply current ICC (A)
Output power PO (W)
6
Quiescent circuit current ICQ (mA)
7
10
RL = 8 Ω
Both ch. inputs
Rg = 10 kΩ
VSTB = 0 V/5 V
VMUTE = 0 V
90
Standby current ISTB (µA)
PO  VCC
8
ICs for Audio Common Use
AN7512SH
■ Technical Data (continued)
• Main characteristics (continued)
GV , PO  f
THD  f
35
1.4
31
1.2
PO (ch.1)
30
1.0
PO (ch.2)
29
0.8
28
VCC = 5 V
RL = 8 Ω
400 Hz HPF
30 kHz LPF
26
100
1 000
0.6
0.4
37
36
1.0
0
0.9
10
0.8
0.7
0.6
35
0.5
GV (ch.2)
0.4
33
0.3
THD (ch.2)
32
0.2
GV (ch.1)
THD (ch.1)
2
10
100
4
6
8
10
12
14
100 000
Ch.1, Ch.2
30
40
VCC = 5 V
PO = 0.25 W
f = 1 kHz
RL = 8 Ω
400 Hz HPF
30 kHz LPF
Rg = 10 kΩ
VSTB = 5 V
Vol. = 0 V
50
60
70
0.1
80
0.0
90
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
Volume voltage Vol. (V)
RR  VRIPPLE
RR  fRIPPLE
80
80
Ch.1 (vol.-max.)
Ch.1 (vol.-max.)
70
Ch.2 (vol.-max.)
60
VCC = 5 V
RL = 8 Ω
30 kHz LPF
Rg = 10 kΩ
50
40
VSTB = 5 V
Vol. = 0/1.25 V
VRIPPLE = 0.5 V[rms]
fRIPPLE = 120 Hz
Ch.2
30
20
Ch.1
Ripple rejection ratio RR (dB)
70
Ripple rejection ratio RR (dB)
10 000
20
Supply voltage VCC (V)
Ch.2 (vol.-max.)
60
50
40
Ch.2
30
20
VCC = 5 V Vol. = 1.25 V
RL = 8 Ω VRIPPLE = 0.5 V[rms]
Rg = 10 kΩ fRIPPLE = 120 Hz
VSTB = 5V
Ch.1
10
10
0
1 000
Att  Vol.
PO = 0.25 W
f = 1 kHz
RL = 8 Ω
400 Hz HPF
30 kHz LPF
Both ch. inputs
Rg = 10 kΩ
VSTB = 5 V
Vol. = 1.25 V
0
Ch.1
GV , THD  VCC
38
30
0.1
Frequency f (Hz)
39
31
Ch.2
Frequency f (Hz)
40
34
1
0.01
0.0
100 000
10 000
Both ch. inputs
Rg = 10 kΩ
VSTB = 5 V
Vol. = 1.25 V
0.2
Volume attenuation Att (dB)
10
Both ch. inputs
Rg = 10 kΩ
VSTB = 5 V
Vol. = 1.25 V
Total harmonic distortion THD (%)
32
27
Voltage gain GV (dB)
1.6
GV (ch.1)
Total harmonic distortion THD (%)
Voltage gain GV (dB)
33
VCC = 5V
PO = 0.25 W
RL = 8 Ω
400 Hz HPF
30 kHz LPF
1.8
Output power PO (W)
34
25
10
2.0
GV (ch.2)
10
100
1 000
10 000
Power supply ripple voltage VRIPPLE (mV[rms])
0
10
100
1 000
10 000
100 000
Power supply ripple frequency fRIPPLE (Hz)
9
AN7512SH
ICs for Audio Common Use
■ Technical Data (continued)
• Main characteristics (continued)
RR  Vol.
RR  VCC
80
80
Ch.1 (vol.-max.)
Ripple rejection ratio RR (dB)
Ripple rejection ratio RR (dB)
70
Ch.2 (vol.-max.)
60
RL = 8 Ω
30 kHz LPF
Rg = 10 kΩ
VSTB = 5 V
50
Vol. = 0 V/1.25 V
VRIPPLE = 0.5 V[rms]
fRIPPLE = 120 Hz
40
Ch.2
30
Ch.1
20
60
50
Ch.2
40
Ch.1
30
20
10
10
0
0
2
4
6
8
10
12
800
500
400
Ch.1, Ch.2 (vol.-max.)
300
Ch.1, Ch.2 (FLAT)
200
100
Ch.1, Ch.2
4
6
8
10
12
700
600
Ch.1 (vol.-max.)
Ch.2 (vol.-max.)
400
300
200 Ch.1 (FLAT), Ch.2 (FLAT)
Ch.1, Ch.2
100
0
14
10
100
10 000
80
VCC = 5 V
RL = 8 Ω
Rg = 10 kΩ
Vol. = 1.25 V
Ch.1 (FLAT)
Ch.2 (FLAT)
700
VCC = 5 V
RL = 8 Ω
Rg = 10 kΩ
DIN audio filter
VSTB = 5 V
600
500
400
300
200
Ch.1, Ch.2
0.6
0.8
60
50
ICQ
40
30
20
10
100
0.4
Quiscent circuit current ICQ (A)
70
0.2
100 000
ICQ  VSTB
900
Output noise voltage VNO (µV[rms])
1 000
Input impedance Rg (Ω)
1 000
0.0
1.2
500
VNO  Vol.
800
1.0
VCC = 5 V
RL = 8 Ω
DIN audio filter
VSTB = 5 V
Vol. = 0 V/1.25 V
Supply voltage VCC (V)
1.0
Volume voltage Vol. (V)
10
0.8
VNO  Rg
600
0
0.6
VNO  VCC
700
2
0.4
Volume voltage Vol. (V)
RL = 8 Ω
Rg = 10 kΩ
DIN audio filter
VSTB = 5 V
Vol. = 0 V/1.25 V
0
0.2
Supply voltage VCC (V)
800
0
0.0
14
Output noise voltage VNO (µV[rms])
0
Output noise voltage VNO (µV[rms])
VCC = 5 V
RL = 8 Ω
30 kHz LPF
Rg = 10 kΩ
VSTB = 5 V
VRIPPLE = 0.5 V[rms]
fRIPPLE = 120 Hz
70
1.2
1.4
0
0.0
0.5
1.0
1.5
2.0
Stanby voltage VSTB (V)
2.5
3.0
ICs for Audio Common Use
AN7512SH
■ Technical Data (continued)
• Main characteristics (continued)
Att  VIN
100
100
90
90
Volume attenuation Att (dB)
Volume attenuation Att (dB)
Att  VCC
80
Ch.1, Ch.2
70
PO = 0.25 W
f = 1 kHz
RL = 8 Ω
400 Hz HPF
30 kHz LPF
Rg = 10 kΩ
VSTB = 5 V
Vol. = 0 V
60
50
2
4
6
8
10
12
Ch.1
80
70
VCC = 5 V
f = 1 kHz
RL = 8 Ω
400 Hz HPF
30 kHz LPF
Rg = 10 kΩ
VSTB = 5 V
Vol. = 0 V
60
50
40
0
Ch.2
40
14
1
10
Input voltage VIN (mV[rms])
Att  f
THD  Vol.
10
100
VCC = 5 V
PO = 0.25 W
f = 1 kHz
RL = 8 Ω
90
85
Ch.1, Ch.2
75
70
VCC = 5 V
PO = 0.25 W
RL = 8 Ω
Rg = 10 kΩ
VSTB = 5 V
Vol. = 0 V
65
60
55
50
10
100
1 000
10 000
Total harmonic distortion THD (%)
Volume attenuation Att (dB)
95
80
Ch.2
0.1
0.01
100 000
400 Hz HPF
30 kHz LPF
Rg = 10 kΩ
VSTB = 5 V
Vol. = 1.25 V
1
Ch.1
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
Volume voltage Vol. (V)
Frequency f (Hz)
CT  VCC
CT  VIN
90
90
80
80
Ch.2
Ch.1
60
70
Ch.2
50
40
PO = 0.25 W
f = 1 kHz
RL = 8 Ω
400 Hz HPF
30 kHz LPF
Rg = 10 kΩ
VSTB = 5 V
Vol. = 1.25 V
30
20
10
0
0
2
4
6
8
10
Supply voltage VCC (V)
12
14
Cross talk CT (dB)
70
Cross talk CT (dB)
1 000
100
Supply voltage VCC (V)
Ch.1
60
50
40
VCC = 5 V
f = 1 kHz
RL = 8 Ω
400 Hz HPF
30 kHz LPF
Rg = 10 kΩ
VSTB = 5 V
Vol. = 1.25 V
30
20
10
0
10
100
1 000
Input voltage VIN (mV[rms])
11
Request for your special attention and precautions in using the technical information
and semiconductors described in this material
(1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the
"Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan.
(2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. It does not constitute the warranting of industrial
property, the granting of relative rights, or the granting of any license.
(3) The products described in this material are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances).
Consult our sales staff in advance for information on the following applications:
• Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment,
combustion equipment, life support systems and safety devices) in which exceptional quality and
reliability are required, or if the failure or malfunction of the products may directly jeopardize life or
harm the human body.
• Any applications other than the standard applications intended.
(4) The products and product specifications described in this material are subject to change without
notice for reasons of modification and/or improvement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to
make sure that the latest specifications satisfy your requirements.
(5) When designing your equipment, comply with the guaranteed values, in particular those of maximum rating, the range of operating power supply voltage and heat radiation characteristics. Otherwise, we will not be liable for any defect which may arise later in your equipment.
Even when the products are used within the guaranteed values, redundant design is recommended,
so that such equipment may not violate relevant laws or regulations because of the function of our
products.
(6) When using products for which dry packing is required, observe the conditions (including shelf life
and after-unpacking standby time) agreed upon when specification sheets are individually exchanged.
(7) No part of this material may be reprinted or reproduced by any means without written permission
from our company.
Please read the following notes before using the datasheets
A. These materials are intended as a reference to assist customers with the selection of Panasonic
semiconductor products best suited to their applications.
Due to modification or other reasons, any information contained in this material, such as available
product types, technical data, and so on, is subject to change without notice.
Customers are advised to contact our semiconductor sales office and obtain the latest information
before starting precise technical research and/or purchasing activities.
B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but
there is always the possibility that further rectifications will be required in the future. Therefore,
Panasonic will not assume any liability for any damages arising from any errors etc. that may appear in this material.
C. These materials are solely intended for a customer's individual use.
Therefore, without the prior written approval of Panasonic, any other use such as reproducing,
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2001 MAR