max9773etgt Maxim Integrated Products, Inc., max9773etgt Datasheet - Page 7

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

(V
DD
= V
PVDD
DIFFERENTIAL
MAX9773
= V
OUTPUT
SHDN
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
SHDN
0
0.1
_______________________________________________________________________________________
R
V
INPUTS
AC-GROUNDED
L
DD
= 3.3V, V
WIDEBAND OUTPUT SPECTRUM
= 8Ω,
TURN-ON/TURN-OFF RESPONSE
= 5V
Stereo Class D Audio Power Amplifier
FREQUENCY (MHz)
1
(FFM MODE)
GND
20ms/div
= V
PGND
10
1.8W, Filterless, Ultra-Low EMI,
MAX9773 toc25
= 0V, SYNC = V
0.16
0.14
0.12
0.10
0.08
0.06
Typical Operating Characteristics (continued)
2.5
100
1V/div
2V/div
3.0
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
3.5
SUPPLY VOLTAGE (V)
DD
4.0
(SSM), gain = 12dB (GAIN1 = 1, GAIN2 = 1)).
4.5
5.0
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
20
17
14
11
0
8
5
5.5
0.1
2.5
R
V
INPUTS
AC-GROUNDED
BOTH CHANNELS DRIVEN
L
DD
WIDEBAND OUTPUT SPECTRUM
= 8Ω,
6.0
(SSM MODE (SPEAKER MODE))
3.0
= 5V
vs. SUPPLY VOLTAGE
3.5
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
SSM
FREQUENCY (MHz)
1
4.0
4.5
FFM
10
5.0
5.5
100
6.0
7