Datasheet

4 Maxim 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
Output Noise Voltage VN
A/B/E
versions
A-weighted,
R
IN
= R
F
= 10kI
7
FV
C/D versions A-weighted 14
Crosstalk X
TALK
A/B/E
versions
1kHz, V
OUT
= 3V
RMS
,
R
L
= 10kI
-125
dB
10kHz, V
OUT
= 3V
RMS
,
R
L
= 10kI
-108
1kHz, V
OUT
= 2V
RMS
,
R
L
= 600I, V
PVDD
=
V
SVDD_
= 3.3V
-123
10kHz, V
OUT
= 2V
RMS
,
R
L
= 600I, V
PVDD
=
V
SVDD_
= 3.3V
-104
1kHz, P
OUT
= 20mW,
R
L
= 32I
-102
10kHz, P
OUT
= 20mW,
R
L
= 32I
-82
C/D
versions
1kHz, V
OUT
= 2V
RMS
,
R
L
= 10kI
100
10kHz, V
OUT
= 2V
RMS
,
R
L
= 10kI
98
1kHz, V
OUT
= 2V
RMS
,
R
L
= 600I
100
10kHz, V
OUT
= 2V
RMS
,
R
L
= 600I
96
1kHz, P
OUT
= 20mW,
R
L
= 32I
95
1kHz, P
OUT
= 20mW,
R
L
= 16I
92
Maximum Capacitive Load Drive C
L
470 pF
External Feedback Resistor
Range
R
F
A/B/E versions 4.7 20 100
kI
Oscillator Frequency f
OSC
450 500 550 kHz