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BD28412MUV Datasheet(PDF) 11 Page - Rohm

Part # BD28412MUV
Description  9W9W Analog Input Class D Speaker Amplifier
Download  44 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD28412MUV Datasheet(HTML) 11 Page - Rohm

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TSZ02201-0C1C0E900620-1-2
© 2016 ROHM Co., Ltd. All rights reserved.
21.Sep.2016 Rev.003
www.rohm.com
TSZ22111 • 15 • 001
BD28412MUV
Typical Performance Curves - continued
(Unless otherwise specified, Ta=25°C, VCC=11V, fPWM=600kHz, fIN=1kHz, PDX=3.3V, MUTEX=3.3V, PLIMT=0V,
Gain=26dB, Output LC filter: L=15µH, C=1µF
when VCC>11V, snubber circuit is added: C=680pF, R=5.6Ω)
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Supply Voltage : V
CC [V]
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Output Power [W/Ch]
Figure 9. Efficiency vs Output Power
(PBTL, RL=4Ω)
PBTL
RL=4Ω
Output LC filter:
L=10μH, C=2.2μF
VCC=5V
VCC=9V
VCC=12V
Figure 12. Output Power vs Supply Voltage
(PBTL, RL=4Ω)
PBTL
RL=4Ω
Output LC filter:
L=10μH, C=2.2μF
THD+N=10%
THD+N=1%
Supply Voltage : VCC [V]
0
2
4
6
8
10
12
14
16
46
8
10
12
14
Supply Voltage : V
CC [V]
Figure 11. Output Power vs Supply Voltage
(RL=6Ω)
RL=6Ω
THD+N=10%
THD+N=1%
Supply Voltage : VCC [V]
0
2
4
6
8
10
12
14
16
4
6
8
10
12
14
Supply Voltage : V
CC [V]
THD+N=10%
THD+N=1%
Figure 10. Output Power vs Supply Voltage
(RL=8Ω)
RL=8Ω
Supply Voltage : VCC [V]


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