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ManualsBrandsMAXIM INTEGRATED ManualsLinear ICsLinear IC - Audio amplifier Headphones (2-channel, stereo) Class AB TQFN 16 EP (3x3)
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8 Maxim 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.)
POWER DISSIPATION vs. OUTPUT POWER
MAX97220 toc22
OUTPUT POWER (mW)
POWER DISSIPATION (mW)
180160120 14040 60 80 10020
40
80
120
160
200
240
280
320
360
400
0
0 200
V
PVDD
= 5V
R
L
= 32I
GAIN FLATNESS vs. FREQUENCY
MAX97220 toc23
FREQUENCY (kHz)
GAIN (dB)
1001010.1
-3
-2
-1
0
1
2
3
4
5
6
7
8
-4
0.01 1000
MAX97220C/MAX97220D
A
V
= 6dB
MAX97220A/MAX97220B
A
V
= 0dB
CROSSTALK vs. FREQUENCY
MAX97220 toc24
FREQUENCY (kHz)
CROSSTALK (dB)
1010.1
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-140
0.01 100
V
PVDD
= 3.3V
R
L
= 600I
V
OUT
= 2V
RMS
RIGHT TO LEFT
LEFT TO RIGHT
CROSSTALK vs. FREQUENCY
MAX97220 toc25
FREQUENCY (kHz)
CROSSTALK (dB)
1010.1
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-140
0.01 100
R
L
= 10kI
V
OUT
= 3V
RMS
RIGHT TO LEFT
LEFT TO RIGHT
CROSSTALK vs. FREQUENCY
MAX97220 toc26
FREQUENCY (kHz)
CROSSTALK (dB)
1010.1
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-140
0.01 100
R
L
= 32I
P
OUT
= 20mW
RIGHT TO LEFT
LEFT TO RIGHT
CROSSTALK vs. FREQUENCY
MAX97220 toc27
FREQUENCY (kHz)
CROSSTALK (dB)
1010.1
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-140
0.01 100
R
L
= 16I
P
OUT
= 20mW
RIGHT TO LEFT
LEFT TO RIGHT
MAX97220 toc28
FREQUENCY (kHz)
CROSSTALK (dB)
1010.1
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-120
0.01 100
V
PVDD
= 3.3V
R
L
= 600I
V
OUT
= 2V
RMS
LEFT TO RIGHT
RIGHT TO LEFT
CROSSTALK vs. FREQUENCY
C/D VERSIONS
MAX97220 toc29
FREQUENCY (kHz)
CROSSTALK (dB)
1010.1
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-120
0.01 100
R
L
= 10kI
V
OUT
= 2V
RMS
LEFT TO RIGHT
RIGHT TO LEFT
CROSSTALK vs. FREQUENCY
C/D VERSIONS
MAX97220 toc30
FREQUENCY (kHz)
CROSSTALK (dB)
1010.1
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-120
0.01 100
R
L
= 32I
P
OUT
= 20mW
LEFT TO RIGHT
RIGHT TO LEFT
CROSSTALK vs. FREQUENCY
C/D VERSIONS