MAX9853 Maxim Integrated Products, MAX9853 Datasheet - Page 17

• Manufacturer Part Number: MAX9853
• Description: (MAX9851 / MAX9853) Stereo Audio CODECs
• Manufacturer: Maxim Integrated Products

TYPICAL POWER DISSIPATION (No Output Load)
(AV
(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
DAC playback mode operating at 48kHz
sampling rate
Line-only playback mode
DAC and line input playback mode operating at
48kHz sampling rate
8kHz voice mode with mono DAC, mono ADC,
line inputs and a mono microphone enabled
8kHz voice mode and 48kHz stereo audio
mode with stereo DAC, mono ADC, line inputs
and a mono microphone enabled
ADC record mode with stereo microphone and
line inputs enabled
ADC record and stereo playback with stereo
microphone and stereo headphones
OUTR+
0.001
DD
DD
0.01
100
0.1
10
1
TOTAL HARMONIC DISTORTION PLUS NOISE
Headphones, Speaker Amplifiers, or Line Outputs
= CPV
= CPV
0
to R
HP GAIN = +5.5dB
R
AV
L
vs. OUTPUT POWER (DAC TO HP)
DD
= 32Ω
10
OUTR-
DD
= 3.0V
DD
20Hz
= +3V, DV
20
= +3V, DV
OUTPUT POWER (mW)
= 10kΩ, C1 = 0.22µF, C2 = C
______________________________________________________________________________________
MODE
30
10kHz
40
DD
DD
1kHz
= DV
= DV
50
DDS2
60
DDS2
70
= +1.8V, PV
= +1.8V, PV
A
0.001
0.01
VMREG
= +25°C.)
100
0.1
10
1
Stereo headphone
Stereo speaker
Mono receiver
Stereo headphone
Stereo speaker
Mono receiver
Stereo headphone
Stereo speaker
Mono receiver
Stereo headphone
Stereo speaker
Mono receiver
Stereo headphone
Stereo speaker
Mono receiver
—
—
TOTAL HARMONIC DISTORTION PLUS NOISE
0
DD
DD
HP GAIN = +5.5dB
R
AV
L
vs. OUTPUT POWER (DAC TO HP)
= C
DD
= 16Ω
= +2.7V.)
= +3.3V, R
20
= 3.0V
VPREG
10kHz
OUTPUT AMPLIFIER
20Hz
OUTPUT POWER (mW)
40
= C
1kHz
HP
60
MBIAS
= 32Ω, Z
Typical Operating Characteristics
80
= C
S
100
SPK
= 48kHz for nonvoice mode, T
REF
= 8Ω + 10µH, R
= 1µF, MCLK = 13MHz, all PGAs = 0dB,
120
0.001
0.01
100
0.1
10
1
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO RECEIVER)
0
RECEIVER GAIN = +5.5dB
R
AV
REC
L
DD
= 32Ω
20
TOTAL POWER (mW)
= 3.0V
= 32Ω, R
OUTPUT POWER (mW)
10kHz
1kHz
40
A
= T
27
55
24
16
44
14
27
55
25
48
76
46
53
81
51
46
57
OUTL+
60
MIN
80
to T
to R
MAX
100
OUTL-
20Hz
,
120
17
=