Typical operating characteristics (continued), Functional diagram – Rainbow Electronics MAX9700 User Manual
Page 7
MAX9700
1.2W, Low-EMI, Filterless,
Class D Audio Amplifier
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(V
DD
= 3.3V, SYNC = GND (SSM), T
A
= +25°C, unless otherwise noted.)
3.0
3.5
4.5
4.0
5.5
5.0
6.0
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9700 toc26
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
T
A
= +85
°C
T
A
= +25
°C
T
A
= -40
°C
0
0.06
0.04
0.02
0.10
0.08
0.14
0.12
0.16
2.5
3.0
3.5
4.0
4.5
5.0
5.5
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9700 toc27
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
T
A
= +85
°C
T
A
= -40
°C
T
A
= +25
°C
Functional Diagram
MAX9700
2
(B4)
5
(B3)
3
(A4)
7
(B2)
10
µF
( ) UCSP BUMP.
1
µF
PGND
OUT+
OUT-
PV
DD
PGND
PGND
PV
DD
4
(A5)
GND
IN+
V
DD
V
DD
1
(C4)
SHDN
IN-
UVLO/POWER
MANAGEMENT
CLASS D
MODULATOR
PV
DD
SYNC
10
(B1)
6
(C2)
8
(C1)
9
(A1)
CLICK-AND-POP
SUPPRESSION
OSCILLATOR
1
µF
1
µF