Datasheet

7Maxim Integrated
Differential Input DirectDrive
Line Drivers/Headphone Amplifiers
MAX97220A–MAX97220E
Typical Operating Characteristics (continued)
(V
PVDD
= V
SVDD
= V
SVDD2
= 5V, V
PGND
= V
SGND
= 0V, C
BIAS
= 0.1µF, C1 = C2 = 1µF, R
IN
= 10kω, R
F
= 10kω, unless otherwise noted.)
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
MAX97220 toc13
SUPPLY VOLTAGE (V)
OUTPUT VOLTAGE (V
RMS
)
5.04.54.03.53.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
2.5 5.5
THD+N = 1%
THD+N = 10%
f
IN
= 1kHz
R
L
= 600I
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
MAX97220 toc14
SUPPLY VOLTAGE (V)
OUTPUT VOLTAGE (V
RMS
)
5.04.54.03.53.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
2.5 5.5
THD+N = 1%
THD+N = 10%
f
IN
= 1kHz
R
L
= 10kI
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX97220 toc15
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
5.04.54.03.53.0
25
50
75
100
125
150
175
200
225
250
0
2.5 5.5
THD+N = 1%
THD+N = 10%
f
IN
= 1kHz
R
L
= 32I
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX97220 toc16
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
5.04.54.03.53.0
20
40
60
80
100
120
140
160
180
200
0
2.5 5.5
THD+N = 1%
THD+N = 10%
f
IN
= 1kHz
R
L
= 16I
OUTPUT VOLTAGE vs. LOAD RESISTANCE
MAX97220 toc17
LOAD RESISTANCE (kI)
OUTPUT VOLTAGE (V
RMS
)
101
1.5
2.0
2.5
3.0
3.5
4.0
1.0
0.1 100
THD+N = 1%
THD+N = 10%
V
PVDD
= 3.3V
f
IN
= 1kHz
OUTPUT VOLTAGE vs. LOAD RESISTANCE
MAX97220 toc18
LOAD RESISTANCE (kI)
OUTPUT VOLTAGE (V
RMS
)
101
2.5
3.0
3.5
4.0
4.5
5.0
2.0
0.1 100
THD+N = 1%
THD+N = 10%
V
PVDD
= 5V
f
IN
= 1kHz
OUTPUT POWER vs. LOAD RESISTANCE
MAX97220 toc19
LOAD RESISTANCE (I)
OUTPUT POWER (mW)
100
10
20
30
40
50
60
70
80
90
100
0
10 1000
THD+N = 1%
THD+N = 10%
V
PVDD
= 3.3V
f
IN
= 1kHz
OUTPUT POWER vs. LOAD RESISTANCE
MAX97220 toc20
LOAD RESISTANCE (I)
OUTPUT POWER (mW)
100
25
50
75
100
125
150
175
200
225
250
0
10 1000
THD+N = 1%
THD+N = 10%
f
IN
= 1kHz
POWER DISSIPATION vs. OUTPUT POWER
MAX97220 toc21
OUTPUT POWER (mW)
POWER DISSIPATION (mW)
13512090 10530 45 60 7515
20
40
60
80
100
120
140
160
180
200
0
0 150
V
PVDD
= 3.3V
R
L
= 32I