Datasheet
MAX4298/MAX4299
Ultra-High PSRR Stereo Drivers +
Microphone Amp + 100mA Linear Regulator
_______________________________________________________________________________________ 5
10
1
0.1
0.01
0.001
0.0001
011.50.5 2
DRIVER OUT
THD+N vs. AMPLITUDE
MAX4298/99toc10
OUTPUT VOLTAGE (V
RMS
)
THD+N (%)
R
L
= 16Ω
A
V
= -1
f
IN
= 1kHz
BW = 22kHz
100 1k 10k 100k
DRIVER OUT
CHANNEL SEPARATION
vs. INPUT FREQUENCY
MAX4298/9-11
INPUT FREQUENCY (Hz)
CHANNEL SEPARATION (dB)
-60
-120
-110
-100
-90
-80
-70
OUT2 TO OUT1
OUT1 TO OUT2
R
L
= 10kΩ
A
V
= -1
V
OUT
= 1V
RMS
100 1k 10k 100k
DRIVER OUT
MUTED OUTPUT ATTENUATION
vs. INPUT FREQUENCY
MAX4298/9-12
INPUT FREQUENCY (Hz)
MUTED OUTPUT ATTENUATION (dB)
-80
-120
-115
-110
-105
-100
-95
-85
-90
B
C
A
R
L
= 16Ω
A = R
I
= 20kΩ, R
F
= 20kΩ
B = R
I
= 10kΩ, R
F
= 10kΩ
C = R
I
= 10kΩ, R
F
= 20kΩ
100 1k 10k 100k
DRIVER OUT
POWER-SUPPLY REJECTION
RATIO vs. FREQUENCY
MAX4298/9-13
FREQUENCY (Hz)
PSRR (dB)
-50
-150
-140
-130
-120
-110
-100
-90
-60
-70
-80
DRIVER OUT
OPEN-LOOP FREQUENCY RESPONSE
INPUT FREQUENCY (kHz)
0.01 10 100 10000.1 1 10,000
GAIN (dB)
90
-10
0
10
20
30
40
50
80
70
60
0
PHASE (deg)
200
20
40
60
80
100
120
180
160
140
GAIN
PHASE
32Ω || 15pF
MAX4298/9-14
DRIVER OUT
OPEN-LOOP FREQUENCY RESPONSE
INPUT FREQUENCY (kHz)
0.01 10 100 10000.1 1 10,000
GAIN (dB)
90
-10
0
10
20
30
40
50
80
70
60
0
PHASE (deg)
200
20
40
60
80
100
120
180
160
140
GAIN
PHASE
32Ω || 1.5nF
MAX4298/9-15
Typical Operating Characteristics (continued)
(V
CC
= SV
CC
= +5V, typical operating circuit, T
A
= +25°C, unless otherwise noted.)
DRIVER OUT
OPEN-LOOP FREQUENCY RESPONSE
INPUT FREQUENCY (kHz)
0.01 10 100 10000.1 1 10,000
GAIN (dB)
90
-10
0
10
20
30
40
50
80
70
60
0
PHASE (deg)
200
20
40
60
80
100
120
180
160
140
GAIN
PHASE
32kΩ || 22nF
MAX4298/9-16
DRIVER OUT
OPEN-LOOP FREQUENCY RESPONSE
INPUT FREQUENCY (kHz)
0.01 10 100 10000.1 1 10,000
GAIN (dB)
90
-10
0
10
20
30
40
50
80
70
60
0
PHASE (deg)
200
20
40
60
80
100
120
180
160
140
GAIN
PHASE
10kΩ || 15pF
MAX4298/9-17
DRIVER OUT
OPEN-LOOP FREQUENCY RESPONSE
INPUT FREQUENCY (kHz)
0.01 10 100 10000.1 1 10,000
GAIN (dB)
90
-10
0
10
20
30
40
50
80
70
60
0
PHASE (deg)
200
20
40
60
80
100
120
180
160
140
GAIN
PHASE
10kΩ || 1.5nF
MAX4298/9-18