MAX9853ETM+T Maxim Integrated Products, MAX9853ETM+T Datasheet - Page 19

• Manufacturer Part Number: MAX9853ETM+T
• Description: IC CODEC AUDIO STEREO 48TQFN
• Manufacturer: Maxim Integrated Products
• Type: Stereo Audior

Specifications of MAX9853ETM+T

• Data Interface: Serial
• Resolution (bits): 18 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 81.5 / 88
• Dynamic Range, Adcs / Dacs (db) Typ: 82 / 87.5
• Voltage - Supply, Analog: 2.6 V ~ 3.3 V
• Voltage - Supply, Digital: 1.7 V ~ 3.3 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(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
DD
0.1
0.1
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
SPEAKER AMP EFFICIENCY
= 8Ω ⎢⎢ 68μH
OUTR-
DD
100
100
P-P
1
vs. OUTPUT POWER
MIC GAIN = 40dB
MIC GAIN = 20dB
= +3V, DV
LEFT
MIC GAIN = 0dB
OUTPUT POWER (W)
RIGHT
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
Typical Operating Characteristics (continued)
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)
ADC INPUT VOLTAGE = 2V
NO LOAD
MAX9853
DD
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
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
(0dBFS)
1k
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
=