ISL99201 Intersil Corporation, ISL99201 Datasheet - Page 10

• Manufacturer Part Number: ISL99201
• Description: Filterless High Efficiency 1.5W Class D Mono Amplifier
• Manufacturer: Intersil Corporation

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Typical Performance Characteristics
Typical Applications
FIGURE 19. SUPPLY RIPPLE REJECTION RATIO vs DC
-10
-20
-30
-40
-50
-60
-70
0
0.25 0.75 1.25 1.75 2.25 2.75 3.25 3.75 4.25 4.75 5.25
COMMON MODE VOLTAGE
DC COMMON MODE VOLTAGE (V)
V
DD
= 2.5V
FIGURE 22. TYPICAL CIRCUIT WITH DIFFERENTIAL INPUT AND INPUT CAPACITORS
DIFFERENTIAL
Z
Z
IN
10
INPUT
DIFFERENTIAL
IN
Z
INPUT
Z
RI, REV D
IN
IN
RI
RI
RI, REV D
V
V
RI
RI
DD
DD
FIGURE 21. TYPICAL CIRCUIT WITH DIFFERENTIAL INPUT
SYNC
SYNC
SD
= 5V
= 3.6V
V
SD
V
IN
IN
V
V
+
-
IN
IN
+
-
(Continued)
REFERENCE
REFERENCE
+
-
BIAS
AND
-
+
BIAS
AND
ISL99201
GENERATOR
SAWTOOTH
GENERATOR
SAWTOOTH
PWM
PWM
FIGURE 20. COMMON MODE REJECTION RATIO vs COMMON
-10
-20
-30
-40
-50
-60
-70
-80
H-BRIDGE
CONTROL
POWER
STAGE
0
0.25
AND
H-BRIDGE
CONTROL
SR
POWER
STAGE
AND
SR
MODE INPUT VOLTAGE
1.25
V
COMMON INPUT VOLTAGE (V)
GND
DD
V
VO+
VO-
DD
GND
V
= 2.5V
VO+
VO-
DD
2.25
C3
C3
V
3.25
DD
= 3.6V
V
DD
4.25
= 5V
February 27, 2009
FN6742.0
5.25