max97220a Maxim Integrated Products, Inc., max97220a Datasheet - Page 7

• Manufacturer Part Number: max97220a
• Description: Differential Input Directdrive Line Drivers/headphone Amplifiers
• Manufacturer: Maxim Integrated Products, Inc.

(V
PVDD
200
180
160
140
120
100
100
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
80
60
40
20
90
80
70
60
50
40
30
20
10
0
0
0
2.5
2.5
10
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
= V
OUTPUT POWER vs. LOAD RESISTANCE
OUTPUT POWER vs. SUPPLY VOLTAGE
V
f
f
R
f
R
IN
IN
IN
PVDD
L
L
SVDD
= 1kHz
= 1kHz
= 600I
= 1kHz
= 16I
3.0
3.0
THD+N = 1%
= 3.3V
LOAD RESISTANCE (I)
= V
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
3.5
3.5
SVDD2
THD+N = 10%
THD+N = 10%
THD+N = 10%
THD+N = 1%
THD+N = 1%
100
4.0
4.0
= 5V, V
4.5
4.5
PGND
5.0
5.0
Line Drivers/Headphone Amplifiers
1000
= V
5.5
5.5
SGND
250
225
200
175
150
125
100
Typical Operating Characteristics (continued)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
= 0V, C
75
50
25
0
0
2.5
0.1
OUTPUT VOLTAGE vs. LOAD RESISTANCE
10
Differential Input DirectDrive
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
OUTPUT POWER vs. LOAD RESISTANCE
f
f
R
V
f
IN
IN
IN
L
PVDD
= 1kHz
= 10kI
= 1kHz
= 1kHz
BIAS
3.0
THD+N = 1%
= 3.3V
LOAD RESISTANCE (kI)
= 0.1µF, C1 = C2 = 1µF, R
LOAD RESISTANCE (I)
SUPPLY VOLTAGE (V)
3.5
THD+N = 10%
1
THD+N = 1%
THD+N = 10%
THD+N = 10%
THD+N = 1%
100
4.0
4.5
10
5.0
1000
100
5.5
IN
= 10kω, R
250
225
200
175
150
125
100
200
180
160
140
120
100
5.0
4.5
4.0
3.5
3.0
2.5
2.0
75
50
25
80
60
40
20
0
0
POWER DISSIPATION vs. OUTPUT POWER
2.5
OUTPUT VOLTAGE vs. LOAD RESISTANCE
0.1
0
OUTPUT POWER vs. SUPPLY VOLTAGE
f
R
V
f
F
IN
IN
V
R
15
L
PVDD
PVDD
L
= 10kω, unless otherwise noted.)
= 1kHz
= 32I
= 1kHz
= 32I
3.0
30 45 60 75
= 5V
= 3.3V
LOAD RESISTANCE (kI)
OUTPUT POWER (mW)
SUPPLY VOLTAGE (V)
3.5
THD+N = 10%
1
THD+N = 1%
THD+N = 10%
THD+N = 1%
4.0
90 105
4.5
10
120
5.0
135
100
150
5.5
7