Rainbow Electronics MAX9700 - Manual (Page 7)

MAX9700
1.2W, Low-EMI, Filterless,
Class D Audio Amplifier
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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