ssm2319 Analog Devices, Inc., ssm2319 Datasheet - Page 12

• Manufacturer Part Number: ssm2319
• Description: Filterless, High Efficiency, Mono 3 W Class-d Audio Amplifier
• Manufacturer: Analog Devices, Inc.

SSM2319
TYPICAL APPLICATION CIRCUITS
*INPUT CAPACITORS ARE OPTIONAL IF INPUT DC COMMON-MODE
EXTERNAL GAIN SETTINGS = 160kΩ/(40kΩ + R
EXTERNAL GAIN SETTINGS = 160kΩ/(40kΩ + R
AUDIO IN+
AUDIO IN–
AUDIO IN+
VOLTAGE IS APPROXIMATELY V
SHUTDOWN
SHUTDOWN
0.1µF*
0.1µF*
0.1µF
0.1µF
Figure 33. Single-Ended Input Configuration, User-Adjustable Gain
Figure 32. Differential Input Configuration, User-Adjustable Gain
R
R
R
R
EXT
EXT
EXT
EXT
IN–
IN+
SD
IN–
IN+
SD
SSM2319
SSM2319
DD
40kΩ
40kΩ
40kΩ
40kΩ
/2.
Rev. 0 | Page 12 of 20
BIAS
BIAS
MODULATOR
MODULATOR
EXT
EXT
10µF
10µF
160kΩ
160kΩ
160kΩ
160kΩ
)
(Σ-Δ)
)
(Σ-Δ)
OSCILLATOR
OSCILLATOR
INTERNAL
INTERNAL
GND
GND
0.1µF
0.1µF
DRIVER
DRIVER
FET
FET
SYNCI
SYNCI
SYNC INPUT
SYNC INPUT
SUPPRESSION
SUPPRESSION
VDD
POP/CLICK
VDD
POP/CLICK
SYNC
SYNC
SYNCO
SYNCO
OUT+
OUT–
OUT+
OUT–
VBATT
2.5V TO 5.5V
VBATT
2.5V TO 5.5V
SYNC OUTPUT
SYNC OUTPUT