MAX9879 Maxim Integrated Products, MAX9879 Datasheet - Page 13

• Manufacturer Part Number: MAX9879
• Description: Stereo Class D Audio Subsystem
• Manufacturer: Maxim Integrated Products

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(V
trols = 0dB, BYPASS = 0, SHDN = 1. Speaker loads connected between OUT_+ and OUT_-. Headphone loads connected from HPL
or HPR to GND. R
DD
= V
PVDDL
= V
-10
-20
-30
-40
-50
-60
-70
-80
0
SPK
0.01
PVDDR
______________________________________________________________________________________
vs. FREQUENCY (HEADPHONE MODE)
COMMON-MODE REJECTION RATIO
= ∞, R
A
V
= 0dB
= 3.7V, V
0.1
HP
FREQUENCY (kHz)
with DirectDrive Headphone Amplifier
= ∞. C1 = C2 = C
A
V
= +20dB
CCIO
1
HEADPHONE AMPLIFIERS (Speaker Disabled)
= 1.8V, V
A
V
= +5.5dB
10
Stereo Class D Audio Subsystem
Typical Operating Characteristics (continued)
BIAS
GND
100
= 1µF. T
= V
PGNDL
A
= +25°C, unless otherwise noted.)
= V
PGNDR
= 0. Single-ended inputs, preamp = 0dB, volume con-
20μs/div
MAX9879 toc40
SHDN
1V/div
HP_
1V/div
13