BD5632NUX_10 Datasheet, PDF (12/15 Pages) Rohm – Analog Input Monaural Class-D Speaker Amplifiers

BD5632NUX, BD5634NUX, BD5638NUX
Technical Note
PSRR RL=4Ω Vripple=0.1Vpp Inputs ac-Grounded
LC-filter(22uH+1uF) 30kHz-LPF
0
-10
VDD=2.5V
-20
VDD=3.6V
-30
VDD=5.0V
-40
-50
-60
10
100
1k
10k
100k
f [Hz]
Fig.20
CMRR RL=8Ω Vin=1Vpp
LC-filter(22uH+1uF) 30kHz-LPF
-30
-35
VDD=2.5V
-40
VDD=3.6V
VDD=5.0V
-45
-50
-55
10
10
1
100
1k
10k
freq [Hz]
Fig.22
THD+N vs Frequency VDD=3.6V RL=4Ω
LC-filter(22uH+1uF) 30kHz-LPF
Po=25mW
Po=125mW
Po=500mW
100k
0.1
PSRR RL=8Ω Vripple=0.1Vpp Inputs ac-Grounded
LC-filter(22uH+1uF) 30kHz-LPF
0
-10
-20
-30
-40
-50
-60
10
VDD=2.5V
VDD=3.6V
VDD=5.0V
100
1k
10k
100k
f [Hz]
Fig.21
THD+N vs Frequency VDD=5.0V RL=4Ω
LC-filter(22uH+1uF) 30kHz-LPF
10
Po=50mW
Po=250mW
1
Po=1W
0.1
0.01
10
10
100
1k
10k
freq [Hz]
Fig.23
THD+N vs Frequency VDD=2.5V RL=4Ω
LC-filter(22uH+1uF) 30kHz-LPF
Po=15mW
Po=75mW
1
Po=200mW
100k
0.1
0.01
10
100
1k
10k
freq [Hz]
Fig.24
Gain_vs_Frequency RL=4Ω
Vin=0.5Vpp LC-filter(22uH+1uF) 30kHz-LPF
20
15
10
5
VDD=2.5V
VDD=3.6V
0
VDD=5.0V
-5
10
100
1k
10k
freq [Hz]
Fig.26
100k
100k
0.01
10
100
1k
10k
freq [Hz]
Fig.25
Gain vs Frequency RL=8Ω
Vin=0.5Vpp LC-filter(22uH+1uF) 30kHz-LPF
20
15
10
VDD=2.5V
VDD=3.6V
5
VDD=5.0V
0
-5
10
100
1k
10k
freq [Hz]
Fig.27
100k
100k
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12/14
2010.06 - Rev.A