max97200 Maxim Integrated Products, Inc., max97200 Datasheet - Page 5

• Manufacturer Part Number: max97200
• Description: Low-power, Low-offset, Dual Mode, Class H Directdrive Headphone Amplifier
• Manufacturer: Maxim Integrated Products, Inc.

(V
unless otherwise noted.)
PVIN
-100
-120
100
-20
-40
-60
-80
90
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
0
0
0.01
1
= 1.8V, V
1
V
POWER-SUPPLY REJECTION RATIO
RIPPLE
1% THD + N
R
L
Low-Power, Low-Offset, Dual Mode, Class H
= 32I
= 200mV
vs. LOAD RESISTANCE
0.1
POWER DISSIPATION
10
vs. OUTPUT POWER
LOAD RESISTANCE (I)
OUTPUT POWER (mW)
PGND
vs. FREQUENCY
OUTPUT POWER
R
FREQUENCY (kHz)
L
P-P
= 16I
_______________________________________________________________________________________
100
= V
10
1
10% THD + N
GND
1000
10
= 0V, V
10,000
100
100
SHDN
DirectDrive Headphone Amplifier
= 1.8V, C1 = C2 = C3 = 1FF, C4 = 10FF, both channels driven in phase, T
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
Typical Operating Characteristics (continued)
-10
-20
-30
-40
-50
-60
-70
-80
-90
80
70
60
50
40
30
20
10
0
0
1.60
0.01
10
OUTPUT POWER vs. LOAD RESISTANCE
OUTPUT POWER = 22mW
R
AND CHARGE-PUMP CAPACITOR
RL = J
L
1.65 1.70 1.75 1.80 1.85
= 16I
CROSSTALK vs. FREQUENCY
C
1
= C
vs. SUPPLY VOLTAGE
0.1
LOAD RESISTANCE (I)
C
2
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
1
100
= C
C
= C
FREQUENCY (kHz)
1
3
= C
2
= 1µF
= C
2
= C
3
1
= .47µF
3
= 2.2µF
1000
1.90
10
1.95
10,000
2.00
100
-100
-120
-140
-160
0.20
0.18
0.16
0.14
0.12
0.08
0.06
0.04
0.02
160
140
120
100
-20
-40
-60
-80
0.1
80
60
40
20
0
0
0
0.01
1.60
1
f = 1kHz
RL = J
1.65
SHUTDOWN SUPPLY CURRENT
IN-BAND OUTPUT SPECTRUM
POWER CONSUMPTION
1.70 1.75
vs. SUPPLY VOLTAGE
0.1
vs. OUTPUT POWER
OUTPUT POWER (mW)
SUPPLY VOLTAGE (V)
FREQUENCY (Hz)
1.80 1.85
10
1
1.90
10
A
= +25NC,
1.95
2.00
100
100
5