MAX9853 Maxim Integrated Products, MAX9853 Datasheet - Page 19
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MAX9853
Manufacturer Part Number
MAX9853
Description
(MAX9851 / MAX9853) Stereo Audio CODECs
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX9853.pdf
(71 pages)
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(AV
R
HP/REC volume = -20.0dB, SPK volume = -20.4dB, line output gain = -0.4dB, f
unless otherwise noted. Typical values are at T
Stereo Audio CODECs with Microphone, DirectDrive
OUTR+
0.001
0.01
0.01
0.1
0.1
DD
10
10
90
80
70
60
50
40
30
20
10
1
1
0
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
Headphones, Speaker Amplifiers, or Line Outputs
10
vs. FREQUENCY (INTERNAL MIC TO ADC)
10
= CPV
0
ADC INPUT VOLTAGE = 2V
48kHz NONVOICE MODE
V
R
f
MAX9853
to R
vs. FREQUENCY (DAC TO LINE OUT)
S
OUT
L
= 48kHz
= 10kΩ
R
L
= 2V
= 8Ω 68µH
SPEAKER AMP EFFICIENCY
OUTR-
DD
100
100
P-P
1
vs. OUTPUT POWER
MIC GAIN = 40dB
MIC GAIN = 20dB
= +3V, DV
LEFT
MIC GAIN = 0dB
RIGHT
OUTPUT POWER (W)
FREQUENCY (Hz)
FREQUENCY (Hz)
= 10kΩ, C1 = 0.22µF, C2 = C
______________________________________________________________________________________
1k
1k
2
P-P
DD
(0dBFS)
= DV
10k
10k
PV
f
IN
3
DD
= 1kHz
= 3.0V
DDS2
100k
100k
4
= +1.8V, PV
A
0.001
0.001
0.01
0.01
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
VMREG
= +25°C.)
0.1
0.1
10
10
1
0
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
10
1
vs. FREQUENCY (LINE IN TO LINE OUT)
DD
ADC INPUT VOLTAGE = 2V
NO LOAD
MAX9853
vs. FREQUENCY (LINE IN TO ADC)
8kHz VOICE MODE
SPEAKER AMP OUTPUT POWER
= C
= +3.3V, R
vs. LOAD RESISTANCE
48kHz MASTER MODE
DC-BLOCKING FILTER OFF
100
100
VPREG
LOAD RESISTANCE (Ω)
10
FREQUENCY (Hz)
FREQUENCY (Hz)
5.0V
= C
HP
1k
1k
MBIAS
LEFT
= 32Ω, Z
3.3V
Typical Operating Characteristics
P-P
RIGHT
f
33µH IN SERIES
WITH R
THD+N = 1%
100
(0dBFS)
IN
= 1kHz
10k
10k
= C
LOAD
S
SPK
= 48kHz for nonvoice mode, T
REF
1000
100k
100k
= 8Ω + 10µH, R
= 1µF, MCLK = 13MHz, all PGAs = 0dB,
0.001
0.01
0.1
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
10
90
80
70
60
50
40
30
20
10
1
0
0
TOTAL HARMONIC DISTORTION PLUS NOISE
2.5
vs. FREQUENCY (INTERNAL MIC TO ADC)
10
0
ADC INPUT VOLTAGE = 2V
8kHz VOICE MODE
REC
R
MIC GAIN = 0dB
SPEAKER AMP OUTPUT POWER
THD+N = 10%
L
vs. SUPPLY VOLTAGE (PV
= 8Ω 68µH
SPEAKER AMP EFFICIENCY
= 32Ω, R
1
vs. OUTPUT POWER
MIC GAIN = 20dB
SUPPLY VOLTAGE (V)
100
OUTPUT POWER (W)
3.5
FREQUENCY (Hz)
A
MIC GAIN = 40dB
THD+N = 1%
= T
OUTL+
2
MIN
P-P
1k
(0dBFS)
f
R
4.5
IN
L
to T
to R
= 1kHz
= 8Ω + 68µH
PV
f
IN
3
DD
= 1kHz
DD
MAX
OUTL-
= 5V
)
,
10k
5.5
4
19
=