ssm2317 Analog Devices, Inc., ssm2317 Datasheet - Page 13

• Manufacturer Part Number: ssm2317
• Description: Filterless High Efficiency Mono 3 W Class-d Audio Amplifier
• Manufacturer: Analog Devices, Inc.

TYPICAL APPLICATION CIRCUITS
EXTERNAL GAIN SETTINGS = 80kΩ/(10kΩ + R
EXTERNAL GAIN SETTINGS = 80kΩ/(10kΩ + R
AUDIO IN+
AUDIO IN–
AUDIO IN+
SHUTDOWN
SHUTDOWN
0.1µF
0.1µF
0.1µF
0.1µF
1
1
R
R
R
R
EXT
EXT
EXT
EXT
1
Figure 40. Single-Ended Input Configuration, User-Adjustable Gain
INPUT CAPACITORS ARE OPTIONAL IF INPUT DC COMMON-MODE
VOLTAGE IS APPROXIMATELY V
Figure 39. Differential Input Configuration, User-Adjustable Gain
IN+
IN–
SD
IN+
IN–
SD
10kΩ
10kΩ
10kΩ
10kΩ
BIAS
BIAS
ALC_EN
ALC_EN
ALC ENABLE
ALC ENABLE
EXT
EXT
80kΩ
80kΩ
80kΩ
80kΩ
)
)
Rev. A | Page 13 of 20
ALC
ALC
DD
VTH
VTH
R
R
TH
/2.
TH
SSM2317
SSM2317
10µF
10µF
MODULATOR
OSCILLATOR
MODULATOR
OSCILLATOR
INTERNAL
INTERNAL
(Σ-Δ)
(Σ-Δ)
0.1µF
0.1µF
POP-AND-CLICK
POP-AND-CLICK
SUPPRESSION
SUPPRESSION
DRIVER
DRIVER
VDD
VDD
FET
FET
GND
GND
VBATT
2.5V TO 5.5V
VBATT
2.5V TO 5.5V
OUT+
OUT–
OUT+
OUT–
SSM2317