Differential Input DirectDrive
Line Drivers/Headphone Amplifiers
Typical Operating Characteristics (continued)
(VPVDD = VSVDD = VSVDD2 = 5V, VPGND = VSGND = 0V, CBIAS = 0.1µF, C1 = C2 = 1µF, RIN = 10kω, RF = 10kω, unless otherwise noted.)
EXITING SHUTDOWN
MAX97220 toc37
MAX97220A/MAX97220C/MAX97220E
SHDN
2V/div
OUT_
5V/div
2ms/div
SUPPLY CURRENT vs. TEMPERATURE
10
NO LOAD
9
8
7
6
VPVDD = 5V
5
4
3
VPVDD = 3.3V
2
1
0
-40 -15 10
35
60
85
TEMPERATURE (°C)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
10
9 NO LOAD
8
7
6
5
4
3
2
1
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
1.6
NO LOAD
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
SHUTDOWN CURRENT
vs. TEMPERATURE
1.6
NO LOAD
1.4
1.2
1.0
0.8
VPVDD = 5V
0.6
0.4
0.2
VPVDD = 3.3V
0
-0.2
-40 -15 10
35
60
85
TEMPERATURE (°C)
RF IMMUNITY vs. FREQUENCY
0
-10 RL = 32I
-20
-30
-40
LEFT CHANNEL
-50
-60
-70
-80
-90
-100
RIGHT CHANNEL
-110
-120
-130
100 600 1100 1600 2100 2600 3100
FREQUENCY (MHz)
10