Datasheet

Low-Power, Low-Offset, Dual Mode, Class H
DirectDrive Headphone Amplifier
MAX97200
4
ELECTRICAL CHARACTERISTICS (continued)
(V
PVIN
= 1.8V, V
PGND
= V
GND
= 0V, V
SHDN
= 1.8V, C1 = C2 = C3 = 1FF, C4 = 10FF, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at T
A
= +25NC) (Note 2)
Note 2: All specifications are 100% tested at T
A
= +25NC. Temperature limits are guaranteed by design.
Note 3: V
PVDD
= 0.9V, V
PVSS
= -0.9V.
Note 4: V
PVDD
= 1.8V, V
PVSS
= -1.8V.
Typical Operating Characteristics
(V
PVIN
= 1.8V, V
PGND
= V
GND
= 0V, V
SHDN
= 1.8V, C1 = C2 = C3 = 1FF, C4 = 10FF, both channels driven in phase, T
A
= +25NC,
unless otherwise noted.)
THD+N vs. OUTPUT VOLTAGE
MAX97200 toc03
V
OUT
(V
RMS
)
THD+N (%)
2.01.51.00.50 2.5
0.01
0.1
1
10
100
0.001
f
IN
= 100Hz
f
IN
= 1kHz
R
L
= 10kI
f
IN
= 6kHz
THD+N vs. FREQUENCY
MAX97200 toc04
FREQUENCY (kHz)
THD+N (%)
1010.1
0.01
0.1
1
10
0.001
0.01 100
P
OUT
= 20mW
P
OUT
= 2mW
R
L
= 16I
P
OUT
= 25mW
THD+N vs. FREQUENCY
MAX97200 toc05
FREQUENCY (kHz)
THD+N (%)
1010.1
0.01
0.1
1
10
0.001
0.01 100
P
OUT
= 20mW
P
OUT
= 2mW
R
L
= 32I
P
OUT
= 25mW
THD+N vs. FREQUENCY
MAX97200 toc06
FREQUENCY (kHz)
THD+N (%)
1010.1
0.01
0.1
1
10
0.001
0.01 100
V
OUT
= 0.316V
RMS
V
OUT
= 0.868V
RMS
V
OUT
= 1.12V
RMS
R
L
= 10kI
THD+N vs. OUTPUT POWER
MAX97200 toc02
P
OUT
(mW)
THD+N (%)
5040302010
0.01
0.1
1
10
100
0.001
06
0
f
IN
= 100Hz
f
IN
= 6kHz
f
IN
= 1kHz
R
L
= 32I
THD+N vs. OUTPUT POWER
MAX97200 toc01
P
OUT
(mW)
THD+N (%)
70605040302010
0.01
0.1
1
10
100
0.001
08
0
R
L
= 16I
f
IN
= 100Hz
f
IN
= 6kHz
f
IN
= 1kHz
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DIGITAL INPUT (SHDN)
Input High Voltage V
IH
1.4 V
Input Low Voltage V
IL
0.4 V
Input Leakage Current
I
IH
V
SHDN
= 4V, T
A
= +25NC
-1 +1
FA
V
SHDN
= 1.8V, T
A
= +25NC
-1 +1
I
IL
V
SHDN
= 0V, T
A
= +25NC
-1 +1