BM28723AMUV
Typical Performance Curves
Unless otherwise specified Ta=25°C, VCCP1, VCCP2=18V, VDVDD=3.3V, VRSTX=3.3V, VMUTEX=3.3V, f=1kHz, fs=48kHz, RL=8Ω,
DSP: Through, Driver Gain (GDRV) =26dB
Measured by ROHM designed 4 layers board(Note 12)
180
160
140
120
100
80
60
50
40
30
20
10
0
VRSTX=VMUTEX=0V
RL=8Ω
No Signal
VRSTX=3.3V
RL=8Ω
No Signal
VMUTEX=3.3V
60
40
VMUTEX=0V
20
0
8
10 12 14 16 18 20 22 24 26
Supply Voltage: VCCP1, VCCP2 [V]
8
10 12 14 16 18 20 22 24 26
Supply Voltage: VCCP1,VCCP2 [V]
Figure 4. Circuit Current vs Supply Voltage
Figure 5. Circuit Current vs Supply Voltage
100
90
80
70
60
50
40
30
20
10
0
2.5
2.0
1.5
1.0
0.5
0.0
RL=8Ω
RL=6Ω
RL=6Ω
RL=4Ω
RL=4Ω
RL=8Ω
RL=8Ω,6Ω : VCCP1,VCCP2=18V
RL=8Ω,6Ω : VCCP1,VCCP2=18V
RL=4Ω
: VCCP1,VCCP2=14V
RL=4Ω
: VCCP1,VCCP2=14V
0
5
10
15 20
0
5
10
Output Power [W/CH]
15
20
Output Power [W/CH]
Figure 6. Efficiency vs Output Power
Figure 7. Circuit Current vs Output Power
(Note 12) 100mmx100mmx1.6mm FR4 4-layer glass epoxy board Cu Thickness 35μm/70μm/70μm/35μm For Application Evaluation Board
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TSZ02201-0C1C0E900720-1-2
31.Aug.2018 Rev.001
© 2018 ROHM Co., Ltd. All rights reserved.
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TSZ22111 • 15 • 001