MAX9851ETM+ Maxim Integrated Products, MAX9851ETM+ Datasheet - Page 9

• Manufacturer Part Number: MAX9851ETM+
• Description: IC CODEC AUDIO STEREO 48TQFN-EP
• Manufacturer: Maxim Integrated Products
• Type: Stereo Audior

Specifications of MAX9851ETM+

• 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
• Number Of Adc Inputs: 3
• Number Of Dac Outputs: 3
• Conversion Rate: 48 KSPS
• Interface Type: Serial (2-Wire, 3-Wire, I2C)
• Resolution: 18 bit
• Operating Supply Voltage: 1.7 V to 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Number Of Channels: 2 ADC/2 DAC
• Supply Current: 6.2 mA
• Thd Plus Noise: - 84 .5 dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(AV
10kΩ, R
PGAs = 0dB, HP/REC volume = -20.0dB, SPK volume = -20.4dB, line output gain = -0.4dB, T
noted. Typical values are at T
HEADPHONE AMPLIFIERS
Output Power
0dBFS Output Voltage
Line In to HP Out Voltage Gain
Output Offset Voltage
Total Harmonic Distortion Plus
Noise
Dynamic Range
Power-Supply Rejection Ratio
(DAC Input to HP Out)
Maximum Capacitive Load
Crosstalk (Line Input to
Headphone Output)
Channel Gain Matching
Click-and-Pop Level
SPEAKER AMPLIFIERS (MAX9851) (Note 12)
Output Power
0dBFS Output Voltage
Stereo Audio CODECs with Microphone, DirectDrive
DD
Headphones, Speaker Amplifiers, or Line Outputs
= CPV
OUTR+
PARAMETER
DD
to R
= +3V, DV
OUTR-
_______________________________________________________________________________________
= 10kΩ, C1 = 0.22µF, C2 = C
DD
A
= DV
= +25°C.) (See Functional Diagrams/Typical Operating Circuits).
DDS2
SYMBOL
AV
THD+N
PSRR
P
P
V
K
MATCH
DR
OUT
C
OUT
OS
= +1.8V, PV
CP
L
f = 1kHz, THD < 1%,
volume +5.5dB
+4.5dB volume setting, input is full-scale
signal from the audio DAC
+4.5dB volume setting
R
BW = 22Hz to 20kHz
R
BW = 22Hz to 20kHz
+5.5dB volume setting (DAC input to HP
output), A-weighted
AV
V
V
No sustained oscillations
R
Line input to headphone output
Peak voltage, 32-
samples per second,
A-weighted,
R
f = 1kHz,
2V
+13.1dB
speaker amp
volume setting
+12.1dB volume setting, P
RIPPLE
RIPPLE
L
L
L
L
P-P
CC
= 32Ω, P
= 16Ω, P
= 32Ω, P
= 32Ω (Note 11)
DD
= 2.6V to 3.6V
line input,
NREG
= +3.3V, R
= 100mV
= 100mV
OUT
OUT
OUT
= C
CONDITIONS
= 50mW, f = 1kHz,
= 60mW, f = 1kHz,
= 1.6mW, f = 1kHz
P-P
P-P
PREG
PV
THD+N < 1%
PV
THD+N < 1%
PV
THD+N < 10%
PV
THD+N < 10%
HP
, f = 217Hz
, f = 10kHz
DD
DD
DD
DD
= 32Ω, Z
= C
= 3.3V,
= 5V,
= 3.3V,
= 5V,
R
R
Stereo/mono
Balanced mono
Into shutdown, HP
disabled
Out of shutdown,
HP enabled
L
L
VDD
INTMICBIAS
= 16Ω
= 32Ω
SPK
= +5V
= 8Ω + 10µH, R
R
R
R
R
L
L
L
L
, C
= 8Ω
= 8Ω
= 8Ω
= 8Ω
MBIAS
A
= C
MIN
3.14
1.54
3.1
30
70
60
= T
REC
REF
MIN
= 32Ω, R
= 1µF, MCLK = 13MHz, all
1150
1250
to T
TYP
3.38
1.66
3.35
0.03
0.03
87.5
150
500
600
-85
-53
-48
8.4
±1
80
55
10
95
95
68
MAX
OUTL+
, unless otherwise
MAX
3.62
1.78
3.6
40
to R
UNITS
OUTL-
V
dBV
V
mW
mW
V/V
mV
dB
dB
pF
dB
%
%
P-P
P-P
=
9