max9746 Maxim Integrated Products, Inc., max9746 Datasheet - Page 7

• Manufacturer Part Number: max9746
• Description: Max9746 1.2w, Low-emi, Filterless, Class D Audio Amplifier
• Manufacturer: Maxim Integrated Products, Inc.

(V
DD
= 3.3V, SYNC = V
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
3.0
_______________________________________________________________________________________
vs. SUPPLY VOLTAGE
DD
SUPPLY CURRENT
T
SUPPLY VOLTAGE (V)
A
3.5
= +25°C
(SSM), T
1µF
1µF
4.0
T
T
A
A
= +85°C
= -40°C
B2
B1
C1
A
4.5
1µF
= +25°C, unless otherwise noted.)
SHDN
IN+
IN-
5.0
PGND
B3
MANAGEMENT
V
UVLO/POWER
DD
5.5
A1
V
DD
Typical Operating Characteristics (continued)
MAX9746
GND
B4
PV
C2
DD
CLICK-AND-POP
SUPPRESSION
MODULATOR
1.2W, Low-EMI, Filterless,
CLASS D
Class D Audio Amplifier
OSCILLATOR
PGND
PGND
A3
SYNC
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0
2.5
PV
PV
DD
DD
SHUTDOWN SUPPLY CURRENT
3.0
T
OUT+
T
OUT-
A
A
vs. SUPPLY VOLTAGE
= +25°C
= +85°C
SUPPLY VOLTAGE (V)
3.5
Functional Diagram
A4
C4
4.0
T
A
= -40°C
4.5
5.0
5.5
7