Datasheet

3Maxim Integrated
Differential Input DirectDrive
Line Drivers/Headphone Amplifiers
MAX97220A–MAX97220E
ELECTRICAL CHARACTERISTICS (continued)
(V
PVDD
= V
SVDD
= V
SVDD2
= 5V, V
PGND
= V
SGND
= 0V, C
BIAS
= 0.1µF, C1 = C2 = 1µF, R
IN
= 20kω, R
F
= 20kω (MAX97220A/
MAX97220B/MAX97220E), typical values tested at T
A
= +25°C, unless otherwise noted.) (Notes 2 and 3)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Power-Supply Rejection Ratio PSRR
V
PVDD
= V
SVDD_
=
2.5V to 5.5V
A/B/E versions 74 90
dB
V
PVDD
= V
SVDD_
=
2.5V to 5.5V
C/D versions 73 90
f
IN
= 217Hz, 200mV
P-P
ripple 78
f
IN
= 10kHz, 200mV
P-P
ripple 63
Common-Mode Rejection Ratio CMRR
-V
PVDD
/2 P V
CM
P
+V
PVDD
/2
A/B/E versions 70 86
dB
-0.75 x V
PVDD
P V
CM
P
+0.75 x V
PVDD
C/D versions 45 60
Output Voltage Swing V
OUT
1kHz, 600I load, THD+N < 0.1%
3
V
RMS
1kHz, R
L
= 600I load,
V
PVDD
= V
SVDD_
= 3.3V, THD+N < 0.1%
2.15
1kHz, R
L
= 10kI load, THD+N < 0.1%
3.5
Output Power P
OUT
R
L
= 16I, THD+N = 1%
40 110
mW
R
L
= 32I, THD+N = 1%
125
Total Harmonic Distortion Plus
Noise
THD+N
1kHz, 22Hz to 22kHz BW, V
OUT
= 3V
RMS
,
R
L
= 10kI
103
dB
10kHz, 22Hz to 22kHz BW,
V
OUT
= 3V
RMS
, R
L
= 10kI
90
1kHz, 22Hz to 22kHz BW, V
OUT
= 2V
RMS
,
R
L
= 600I
80 105
10kHz, 22Hz to 30kHz BW,
V
OUT
= 2V
RMS
, R
L
= 600I
94
1kHz, 22Hz to 22kHz BW, P
OUT
= 20mW,
R
L
= 32I
0.0035 %
Signal-to-Noise Ratio SNR
A/B/E
versions
V
OUT
= 3V
RMS
, THD+N =
0.1%, A-weighted, R
IN
= R
F
= 10kI, R
L
= 1kI
112.5
dB
V
OUT
= 2V
RMS
, V
PVDD
= 3.3V, THD+N = 0.1%,
A-weighted, R
IN
= R
F
=
10kI, R
L
= 600I
109
C/D
versions
V
OUT
= 3V
RMS
, THD+N =
0.1%, A-weighted,
R
L
= 1kI
106
V
OUT
= 2V
RMS
, V
PVDD
= 3.3V, THD+N = 0.1%,
A-weighted, R
L
= 600I
103