MAX9853ETM+T Maxim Integrated Products, MAX9853ETM+T Datasheet - Page 18

• 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

Stereo Audio CODECs with Microphone, DirectDrive
Headphones, Speaker Amplifiers, or Line Outputs
18
(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
OUTR+
0.001
0.01
0.01
0.01
100
0.1
0.1
0.1
DD
10
10
10
1
1
1
______________________________________________________________________________________
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
10
vs. OUTPUT POWER (DAC TO RECEIVER)
0
= CPV
RECEIVER GAIN = +5.5dB
R
AV
vs. FREQUENCY (DAC TO RECEIVER)
to R
HP GAIN = +5.5dB
R
AV
RECEIVER GAIN = +5.5dB
R
AV
L
L
L
DD
= 16Ω
DD
DD
20
= 16Ω
= 32Ω
vs. FREQUENCY (DAC TO HP)
= 3.0V
= 3.0V
= 3.0V
OUTR-
DD
100
100
40
20mW
OUTPUT POWER (mW)
10kHz
= +3V, DV
32mW
FREQUENCY (Hz)
FREQUENCY (Hz)
60
= 10kΩ, C1 = 0.22µF, C2 = C
72mW
80
1k
1k
60mW
60mW
100
DD
1kHz
120
= DV
10k
10k
20Hz
140
DDS2
100k
100k
160
= +1.8V, PV
0.001
A
0.001
0.01
0.01
0.01
100
0.1
0.1
Typical Operating Characteristics (continued)
VMREG
0.1
= +25°C.)
10
10
10
1
1
vs. OUTPUT POWER (DAC TO SPEAKER AMP)
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
vs. FREQUENCY (DAC TO SPEAKER AMP)
10
0
SPEAKER AMP GAIN = +13.1dB
PV
MAX9851
HP GAIN = +5.5dB
R
AV
DD
SPEAKER AMP GAIN = +13.1dB
R
PV
MAX9851
L
L
DD
DD
DD
= 32Ω
= 8Ω + 68μH
= C
10kHz
vs. FREQUENCY (DAC TO HP)
8Ω, 1W
= +3.3V, R
= 5.0V
= 3.0V
= 3.3V
100
100
200
VPREG
OUTPUT POWER (mW)
20mW
FREQUENCY (Hz)
FREQUENCY (Hz)
20Hz
52mW
= C
400
HP
1k
1k
1kHz
8Ω, 0.2W
MBIAS
= 32Ω, Z
10k
10k
600
= C
S
SPK
= 48kHz for nonvoice mode, T
REF
100k
100k
= 8Ω + 10µH, R
800
= 1µF, MCLK = 13MHz, all PGAs = 0dB,
0.001
0.01
0.01
0.01
100
0.1
0.1
0.1
10
10
10
vs. OUTPUT POWER (DAC TO SPEAKER AMP)
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
vs. FREQUENCY (DAC TO SPEAKER AMP)
10
0
vs. FREQUENCY (DAC TO RECEIVER)
RECEIVER GAIN = +5.5dB
R
AV
SPEAKER AMP GAIN = +13.1dB
R
PV
MAX9851
SPEAKER AMP GAIN = +13.1dB
PV
MAX9851
L
L
DD
DD
= 16Ω
REC
= 8Ω + 68μH
DD
10kHz
= 3.0V
= 5.0V
8Ω
430mW
= 3.3V
20mW
100
100
= 32Ω, R
OUTPUT POWER (mW)
500
FREQUENCY (Hz)
20Hz
FREQUENCY (Hz)
A
8Ω
200mW
1k
= T
1k
1kHz
OUTL+
40mW
MIN
1000
to T
to R
10k
10k
MAX
OUTL-
,
1500
100k
100k
=