參數(shù)資料
型號(hào): SSM2301CPZ-REEL7
廠商: Texas Instruments, Inc.
英文描述: Filterless High Efficiency Mono 1.4 W Class-D Audio Amplifier
中文描述: 濾波高效單聲道1.4 W功率,D類音頻放大器
文件頁(yè)數(shù): 9/19頁(yè)
文件大?。?/td> 334K
代理商: SSM2301CPZ-REEL7
Preliminary Technical Data
SSM2301
TYPICAL APPLICATION CIRCUITS
SHUTDOWN
GAIN
CONTROL
FET
DRIVER
MODULATOR
0.1μF
VDD
GND
OSCILLATOR
POP/CLICK
SUPRESSION
OUT+
OUT–
BIAS
IN+
VBATT
2.5V TO 5.0V
IN–
GAIN
10μF
0.01μF
1
1
INPUT CAPS ARE OPTIONAL IF INPUT DC COMMON-MODE
VOLTAGE IS APPROXIMATELY V
DD
/2.
Figure 19. Differential Input Configuration, Gain = 12 dB
0.01μF
1
SD
AUDIO IN–
AUDIO IN+
SSM2301
0
V
DD
SHUTDOWN
GAIN
CONTROL
FET
DRIVER
MODULATOR
0.1μF
VDD
GND
OSCILLATOR
POP/CLICK
SUPRESSION
OUT+
OUT–
BIAS
IN+
VBATT
2.4V TO 5.0V
IN–
GAIN
10μF
0.01μF
0.01μF
SD
AUDIO IN
SSM2301
0
Figure 20. Single-Ended Input Configuration, Gain = 6 dB
SHUTDOWN
GAIN
CONTROL
FET
DRIVER
MODULATOR
0.1μF
VDD
GND
OSCILLATOR
POP/CLICK
SUPRESSION
OUT+
OUT–
BIAS
IN+
VBATT
2.4V TO 5.0V
IN–
GAIN
10μF
0.01μF
1
1
INPUT CAPS ARE OPTIONAL IF INPUT DC COMMON-MODE
VOLTAGE IS APPROXIMATELY V
DD
/2.
Figure 21. Differential Input Configuration, User-Adjustable Gain
0.01μF
1
SD
AUDIO IN–
AUDIO IN+
SSM2301
0
V
DD
EXTERNAL GAIN SETTINGS = 20 log[4/(1 + R/150k
)]
R
R
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