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MAX4298ESD+

P1-P3P4-P6P7-P9P10-P12P13-P14
MAX4298/MAX4299
Ultra-High PSRR Stereo Drivers +
Microphone Amp + 100mA Linear Regulator
4 _______________________________________________________________________________________
8.5
9.5
9.0
10.5
10.0
11.0
11.5
4.2 4.8 5.04.4 4.6 5.2 5.4 5.6
MAX4298
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX4298/99-01
V
CC
(V)
I
CC
(mA)
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
-0.5
1.0
0.5
0
1.5
2.0
2.5
0 1.0 2.0
POWER-UP/POWER-DOWN
MAX4298/9-02
TIME (s)
OUTPUT VOLTAGE (V)
OUT
SPEAKER
R
L
= 32Ω
-2
0
-1
2
1
3
4
01.00.5 1.5 2.0
MUTE PERFORMANCE
MAX4298/9-03
TIME (s)
OUTPUT VOLTAGE (V)
OUT
SPEAKER
R
L
= 32Ω
C
AC
= 220µF
-1
1
0
3
2
5
4
6
MAX4298/99-04
TIME (s)
VOLTAGE (V)
0 0.5 1.0 1.5 2.0
POWER-DOWN/POWER-UP with SCHOTTKY
DIODE AND RESERVOIR CAPACITOR
V
CC
= 0
SV
CC
V
OUT
V
CC
= 5V
R
L
= 32Ω
C
AC
= 22OµF
0.0001
100 100k10k1k
DRIVER OUT
THD+N vs. FREQUENCY
1
0.01
0.001
0.1
MAX4298/99-05
INPUT FREQUENCY (Hz)
THD+N (%)
BW = 80kHz
BW = 22kHz
R
L
= 10kΩ
A
V
= -1
V
OUT
= 1.5V
RMS
0.0001
100 100k10k1k
DRIVER OUT
THD+N vs. FREQUENCY
1
0.01
0.001
0.1
MAX4298/99-06
INPUT FREQUENCY (Hz)
THD+N (%)
R
L
= 32Ω
A
V
= -1
V
OUT
= 1.2V
RMS
BW = 80kHz
BW = 22kHz
0.0001
100 100k10k1k
DRIVER OUT
THD+N vs. FREQUENCY
1
0.01
0.001
0.1
MAX4298/99-07
INPUT FREQUENCY (Hz)
THD+N (%)
R
L
= 16Ω
A
V
= -1
V
OUT
= 1V
RMS
BW = 80kHz
BW = 22kHz
10
1
0.1
0.01
0.001
0.0001
011.50.5 2
DRIVER OUT
THD+N vs. AMPLITUDE
MAX4298/99toc08
OUTPUT VOLTAGE (V
RMS
)
THD+N (%)
A
V
= -1
R
L
= 10kΩ
f
IN
= 1kHz
BW = 22kHz
10
1
0.1
0.01
0.001
0.0001
011.50.5 2
DRIVER OUT
THD+N vs. AMPLITUDE
MAX4298/99toc09
OUTPUT VOLTAGE (V
RMS
)
THD+N (%)
R
L
= 32Ω
A
V
= -1
f
IN
= 1kHz
BW = 22kHz
Typical Operating Characteristics
(V
CC
= SV
CC
= +5V, typical operating circuit, T
A
= +25°C, unless otherwise noted.)
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
MAX4298/MAX4299
Ultra-High PSRR Stereo Drivers +
Microphone Amp + 100mA Linear Regulator
6 _______________________________________________________________________________________
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 || 22nF
MAX4298/99 toc19
0.01 10.1 10 100
MICOUT ALL HOSTILE CROSSTLAK
(INPUT REFERRED)
MAX4298/99 toc20
INPUT FREQUENCY (kHz)
ALL HOSTILE CROSSTALK (dB)
-20
-120
-100
-60
-40
-80
A
V
= -100
MICOUT OPEN LOOP
FREQUENCY RESPONSE
MAX4298/99 toc21
INPUT FREQUENCY (kHz)
GAIN (dB)
90
-10
10
30
50
70
0.01 10 100 10000.1 1
80
60
40
20
0
PHASE
GAIN
10kΩ || 15pF
10,000
0
PHASE (deg)
200
20
40
60
80
100
120
180
160
140
MICOUT OPEN LOOP
FREQUENCY RESPONSE
MAX4298/99 toc22
INPUT FREQUENCY (kHz)
GAIN (dB)
90
-10
10
30
50
70
0.01 10 100 10000.1 1 10,000
80
60
40
20
0
10kΩ || 150pF
200
180
160
140
120
100
80
60
40
20
0
PHASE
GAIN
0 0.5 1.0 1.5
MICOUT
THD+N vs. AMPLITUDE
MAX4298/99 toc23
AMPLITUDE (V
RMS
)
THD+N (%)
10
0.0001
0.001
0.01
0.1
1
2.0
R
L
= 10kΩ
A
V
= -1
f
IN
= 1kHz
BW = 22kHz
3.0
3.1
3.3
3.2
3.4
3.5
04020 60 80 100
REGOUT OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX4298/99 toc24
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V)
200µs/div
REGOUT TRANSIENT RESPONSE
100mA
V
OUT
30mV/div
0
MAX4298/99 toc25
I
L
200µs/div
REGOUT TRANSIENT RESPONSE
MAX4298/99 toc26
100mA
V
OUT
30mV/div
10mA
I
L
Typical Operating Characteristics (continued)
(V
CC
= SV
CC
= +5V, typical operating circuit, T
A
= +25°C, unless otherwise noted.)
P1-P3P4-P6P7-P9P10-P12P13-P14

MAX4298ESD+

Mfr. #:
Buy MAX4298ESD+
Manufacturer:
Maxim Integrated
Description:
Audio Amplifiers High PSRR Stereo Driver + Mic Amp
Lifecycle:
New from this manufacturer.
Delivery:
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