MAX98090BEWJ+T Maxim Integrated, MAX98090BEWJ+T Datasheet - Page 131

• Manufacturer Part Number: MAX98090BEWJ+T
• Description: Interface - CODECs 5V 130mW Stereo Headphone Amp
• Manufacturer: Maxim Integrated

MAX98090
Analog Class D Speaker Output
The device features an integrated stereo differential
speaker amplifier. The analog stereo speaker output has
three series sections comprising a flexible input mixer, a
Figure 35. Class D Speaker Output Functional Diagram
www.maximintegrated.com
DACLEN
DRIVERS
ANALOG
INPUT
LEFT
DAC
TECHNOLOGY
MAX98090
FLEXSOUND
PERFMODE
DACHP
DSP
RIGHT
DAC
DACREN
RECEIVER/LINE OUT/
HEADPHONES
LINE A
LINE B
LINE A
LINE B
DACR
DACR
DACL
MIC 1
MIC 2
DACL
MIC 1
MIC 2
MIXER
MIXER
RIGHT
LEFT
programmable gain amplifier, and a differential Class D
output driver (Figure 35). The speaker output is capable
of driving both 4Ω and 8Ω loads, utilizes a highly efficient
Class D architecture, and meets EMI emission standards
while driving a filterless speaker load.
SPK
SPK
Ultra-Low Power Stereo Audio Codec
-12dB TO 0dB
-12dB TO 0dB
MIXSPLG[1:0]
MIXSPL[5:0]
MIXSPLG[1:0]
MIXSPL[5:0]
RIGHT PGA
SPEAKER
LEFT PGA
SPEAKER
VS2EN
ZDEN
ZSEN
-48dB TO 14dB
-48dB TO 14dB
SPVOLR[4:0]
SPVOLL[4:0]
SPREN
SPLEN
SPLM
SPLM
SPKSLAVE
6dB
6dB
Maxim Integrated │ 131
SPKLGND
SPKLP
SPKLN
SPK_VDD
SPKRP
SPKRN
SPKRGND