BD28412MUV Datasheet, PDF (18/44 Pages) Rohm – 9W+9W Analog Input Class D Speaker Amplifier

BD28412MUV
Typical Performance Curves - continued
(Unless otherwise specified, Ta=25°C, V_CC=11V, f_IN=1kHz, PDX=3.3V, MUTEX=3.3V, PLIMT=0V,
Gain=26dB, Output LC filter: L=15µH, C=1µF
when V_CC>11V, snubber circuit is added: C=680pF, R=5.6Ω)
Datasheet
0
-20
OUT1 to OUT2
OUT2 to OUT1
f_PWM=400kHz
R_L=8Ω
-40
-60
-80
-100
-120
0.01
0.1
1
10
100
Output Power : P_O [W]
Figure 36. Crosstalk vs Output Power
(f_PWM=400kHz, R_L=8Ω)
0
OUT1 to OUT2
OUT2 to OUT1
-20
-40
f_PWM=400kHz
P_O=1W
R_L=8Ω
-60
-80
-100
-120
10
100
1k
10k
Frequency [Hz]
Figure 37. Crosstalk vs Frequency
(f_PWM=400kHz, R_L=8Ω)
100k
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 15 • 001
18/40
TSZ02201-0C1C0E900620-1-2
21.Sep.2016 Rev.003