max9773etgt Maxim Integrated Products, Inc., max9773etgt Datasheet - Page 4

• 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
4
DD
0.001
0.001
0.001
0.01
0.01
0.01
100
0.1
0.1
0.1
_______________________________________________________________________________________
10
10
10
1
1
1
= V
10
10
0
OUTPUT POWER = 300mW
OUTPUT POWER = 100mW
PVDD
V
R
V
R
V
R
DD
L
DD
L
DD
L
PLUS NOISE vs. OUTPUT POWER
f
TOTAL HARMONIC DISTORTION
= 4Ω
TOTAL HARMONIC DISTORTION
= 8Ω
TOTAL HARMONIC DISTORTION
= 8Ω
IN
= 5V
= 3.3V
= 5V
PLUS NOISE vs. FREQUENCY
PLUS NOISE vs. FREQUENCY
0.3
= 1kHz
OUTPUT POWER = 100mW
= V
100
100
f
IN
= 20Hz
OUTPUT POWER (W)
0.6
OUTPUT POWER = 400mW
SHDN
FREQUENCY (Hz)
FREQUENCY (Hz)
OUTPUT POWER = 250mW
OUTPUT POWER = 600mW
0.9
1k
1k
= 3.3V, V
f
1.2
IN
= 20kHz
10k
10k
GND
1.5
= V
100k
100k
1.8
PGND
0.001
0.001
0.001
= 0V, SYNC = V
0.01
0.01
0.01
100
1.0
0.1
0.1
0.1
10
10
10
1
1
10
10
0
V
R
V
R
V
R
P
OUTPUT POWER = 500mW
OUTPUT POWER = 250mW
DD
L
DD
L
DD
L
OUT
PLUS NOISE vs. OUTPUT POWER
TOTAL HARMONIC DISTORTION
= 4Ω
TOTAL HARMONIC DISTORTION
= 8Ω
TOTAL HARMONIC DISTORTION
= 8Ω
f
= 3.3V
= 5V
= 5V
IN
PLUS NOISE vs. FREQUENCY
PLUS NOISE vs. FREQUENCY
= 800mW
0.2
= 1kHz
100
100
OUTPUT POWER (W)
FREQUENCY (Hz)
FREQUENCY (Hz)
DD
0.4
OUTPUT POWER = 100mW
(SSM), gain = 12dB (GAIN1 = 1, GAIN2 = 1)).
1k
1k
Typical Operating Characteristics
0.6
SSM
FFM
f
IN
= 20Hz
10k
10k
f
IN
0.8
= 20kHz
100k
100k
1.0
0.001
0.001
0.001
0.01
0.01
0.01
100
100
0.1
0.1
0.1
10
10
10
1
1
1
10
0
0
OUTPUT POWER = 100mW
V
R
V
R
V
R
DD
L
DD
L
DD
L
PLUS NOISE vs. OUTPUT POWER
PLUS NOISE vs. OUTPUT POWER
f
TOTAL HARMONIC DISTORTION
= 4Ω
OUTPUT POWER = 600mW
TOTAL HARMONIC DISTORTION
= 4Ω
IN
TOTAL HARMONIC DISTORTION
= 8Ω
= 3.3V
= 5V
= 3.3V
PLUS NOISE vs. FREQUENCY
f
= 1kHz
IN
0.5
= 20Hz
100
0.2
f
IN
OUTPUT POWER (W)
OUTPUT POWER (W)
= 20Hz
FREQUENCY (Hz)
f
1.0
IN
= 1kHz
OUTPUT POWER = 300mW
0.4
1k
1.5
f
IN
f
IN
10k
0.6
= 20kHz
= 20kHz
2.0
100k
0.8
2.5