max9773etgt Maxim Integrated Products, Inc., max9773etgt Datasheet - Page 6

• Manufacturer Part Number: max9773etgt
• Description: Max9773 1.8w, Filterless, Ultra-low Emi, Stereo Class D Audio Power Amplifier
• Manufacturer: Maxim Integrated Products, Inc.

1.8W, Filterless, Ultra-Low EMI,
Stereo Class D Audio Power Amplifier
(V
6
DD
1.2
1.0
0.8
0.6
0.4
0.2
_______________________________________________________________________________________
0
= V
1
OUTPUT POWER vs. LOAD RESISTANCE
PVDD
= V
THD+N = 1%
LOAD RESISTANCE (Ω)
-100
-120
-140
-100
-110
-120
-130
-140
SHDN
-20
-40
-60
-80
-40
-50
-60
-70
-80
-90
0
10
0
10
FFM MODE
V
f = 1kHz
R
UNWEIGHTED
= 3.3V, V
P
R
OUT
L
THD+N = 10%
OUTPUT FREQUENCY SPECTRUM
OUT
L
= 8Ω
V
Z
IN SERIES WITH R
= 8Ω
DD
LOAD
CROSSTALK vs. FREQUENCY
= -60dBV
= 300mW
= 3.3V, f = 1kHz,
100
5
= 33µH
RIGHT TO LEFT
FREQUENCY (kHz)
GND
FREQUENCY (Hz)
L
= V
LEFT TO RIGHT
10
1k
100
PGND
10k
15
= 0V, SYNC = V
-100
Typical Operating Characteristics (continued)
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
10
100k
V
R
20
POWER-SUPPLY REJECTION RATIO
RIPPLE
L
= 8Ω
= 100mV
100
vs. FREQUENCY
DD
FREQUENCY (Hz)
P-P
(SSM), gain = 12dB (GAIN1 = 1, GAIN2 = 1)).
1k
-100
-110
-120
-100
-120
-140
-10
-20
-30
-40
-50
-60
-70
-80
-90
-20
-40
-60
-80
10k
0
0
-94
0
SSM MODE
V
f = 1kHz
R
UNWEIGHTED
f
R
ONE CHANNEL DRIVEN
CROSSTALK vs. INPUT AMPLITUDE
IN
OUT
L
L
OUTPUT FREQUENCY SPECTRUM
= 8Ω
= 1kHz
= 8Ω
100k
= -60dB
-74
5
INPUT AMPLITUDE (dB)
FREQUENCY (kHz)
-54
100
90
80
70
60
50
40
30
20
10
0
10
10
-34
V
R
COMMON-MODE REJECTION RATIO
RIPPLE
L
= 8Ω
15
= 100mV
-14
100
V
DD
vs. FREQUENCY
FREQUENCY (Hz)
= 5V
P-P
20
6
1k
V
DD
= 3.3V
10k
100k