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PDF LV4924VH Data sheet ( Hoja de datos )
| Número de pieza | LV4924VH | |
| Descripción | Class-D Audio power Amplifier | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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LV4924VH
Bi-CMOS IC
Class-D Audio power Amplifier
Power cell BTL 10W×2ch
http://onsemi.com
Overview
The LV4924VH is a 2-channel full-bridge driver for digital power amplifiers. It requires a PWM modulator IC in the
previous stage. This IC is a power cell that takes in PWM signals as an input and is used to form a digital amplifier
system for TVs, amusement equipment, and other such systems.
Features
• BTL output, class D amplifier system
• High-efficiency class D amplifier
• Muting function reduces impulse noise at power on / off
• Protection circuits incorporated for over-current, thermal, supply voltage drop, output offset detector
• Built-in bootstrap diodes
Specification
• Output 15W (VD=16V, RL=8Ω, fIN=1kHz, AES17, THD+N=10%)
• Output 10W (VD=13V, RL=8Ω, fIN=1kHz, AES17, THD+N=10%)
• Efficiency : 89% (VD=13V, RL=8Ω, fIN=1kHz, PO=10W)
• THD+N
: 0.1% (VD=13V, RL=8Ω, fIN=1kHz, PO=1W, Filter: AES17)
Maximum Ratings / Absolute Maximum Ratings /Ta=25°C
Parameter
Symbol
Conditions
Maximum supply voltage
Maximum PWM pin voltage
Maximum pull-up pin voltage
VD
VIN
Vpup max
Externally applied voltage
PWM_A1,PWM_A2,PWM_B1,PWM_B2
NPN Open collector pin
Allowable power dissipation
Pd max
Exposed Die-pad Soldered *1
Maximum junction temperature
Tj max
Operating temperature
Topr
Storage temperature
Tstg
*1 Customer bread board rev.1.0: 90.0mm × 70.0 mm × 1.6 mm (two-layer) Material: glass epoxy
Ratings
22
6
20
4.6
150
-25 to 75
-50 to 150
Unit
V
V
V
W
°C
°C
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Semiconductor Components Industries, LLC, 2013
May, 2013
N1611 SY 20111031-S00002 No.A1997-1/15
1 page  
Block Diagram
LV4924VH
Pin Equivalent Circuit
Pin No.
1
Pin name
STBY
I/O
I
Description
Standby mode control
2 MUTE
I Muting control
Equivalent Circuit
PVD
1
GND
PVD
VDDA
2
GND
Continued on next page.
No.A1997-5/15
5 Page 
LV4924VH
Characteristics Data: L=22μH (TOKO: A7040HN-220M), C=0.33μF (Matsuo: 553M6302-334K)
Ist -- VD
0.3
Ipd -- Ta
0.3
VD =13V, RL=8
IN=Low, STBYB=Low
MUTEB=Low
0.2 0.2
0.1
0
0 2 4 6 8 10 12 14 16 18 20 22 24
Supply voltage, VD - V
IMUTE -- VD
8
RL=8 , IN=Low
7 STBYB=High, MUTEB=Low
6
5
4
3
2
1
0
4 6 8 10 12 14 16 18 20 22
Supply voltage, VD - V
Icco -- VD
70
RL=8
60 IN=Duty50%[0 to 3.3V]
STBYB=High, MUTEB=High
50
40
30
20
10
0
46
6
RL=8
5
8 10 12 14 16 18 20 22
Supply voltage, VD - V
VDD1,2 -- VD
4
3
2
1
0
4 6 8 10 12 14 16 18 20 22
Supply voltage, VD - V
0.1
0
-40 -20
0
20 40
60 80 100 120
Ambient temperature, Ta - C
IMUTE -- Ta
8
VD =13V, RL=8
7 IN=0, STBYB=High
MUTEB=Low
6
5
4
3
2
1
0
-40 -20 0 20 40 60 80
Ambient temperature, Ta - C
70
VD=13V, RL=8
Icco -- Ta
IN=Duty50%[0 to 3.3V]
60 STBYB=High, MUTEB=High
50
100 120
40
30
20
10
0
-40 -20
6
0 20 40 60 80
Ambient temperature, Ta - C
VDD1,2 -- Ta
100 120
5
4
3
2
1
VD=13V
0 RL=8
-40 -20 0 20 40 60 80 100 120
Ambient temperature, Ta - C
No.A1997-11/15
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet LV4924VH.PDF ] | |
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