MAX9851ETM+ Maxim Integrated Products, MAX9851ETM+ Datasheet - Page 11

• 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
Stereo Audio CODECs with Microphone, DirectDrive
RECEIVER AMPLIFIER (Note 12)
Output Power
Maximum Output Voltage
Line In to REC Out Voltage Gain
Output Offset Voltage
Total Harmonic Distortion Plus
Noise
Dynamic Range
Power-Supply Rejection Ratio
Maximum Capacitive Load
Click-and-Pop Level
VOLUME CONTROL/PGAs
Headphone/Receiver Volume
Control Range
Headphone/Receiver Mute
Attenuation
Speaker Volume Control Range
(MAX9851)
Speaker Mute Attenuation
(MAX9851)
Differential Line Output Gain
Control Range (MAX9853)
Differential Line Output Mute
Attenuation (MAX9853)
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
THD+N
PSRR
P
V
K
DR
OUT
C
= +1.8V, PV
OS
CP
L
f = 1kHz, THD <
1%, +5.5dB
volume setting
+4.5dB volume setting, 0dB PGA setting,
input signal 0dBFS from DAC output, only 1
input selected
+4.5dB volume setting, 0dB PGA setting,
only 1 input selected
R
22Hz to 20kHz, +3dB volume setting
R
22Hz to 20kHz, +3dB volume setting
+6dB volume setting, A-weighted
AV
V
V
No sustained oscillations
Peak voltage, 32 samples per second,
A-weighted, R
f = 1kHz
f = 1kHz
f = 1kHz
L
L
RIPPLE
RIPPLE
DD
= 32Ω, P
= 16Ω, P
DD
= 2.6V to 3.3V
NREG
= +3.3V, R
= 100mV
= 100mV
OUT
OUT
= C
L
CONDITIONS
= 16Ω (Note 11)
= 40mW, f = 1kHz, BW =
= 40mW, f = 1kHz, BW =
PREG
P-P
P-P
HP
, f = 217Hz
, f = 20kHz
R
from LINEIN1
R
is the sum of
LINEIN1+LINEIN2
R
from LINEIN1
= 32Ω, Z
L
L
L
= C
= 16Ω, input signal
= 16Ω, input signal
= 32Ω, input signal
INTMICBIAS
SPK
= 8Ω + 10µH, R
, C
MBIAS
A
-72.4
-78.4
= C
3.09
1.54
MIN
-80
35
60
= T
REC
REF
MIN
= 32Ω, R
= 1µF, MCLK = 13MHz, all
to T
-44.6
TYP
3.35
1.68
0.03
0.04
105
100
150
100
100
100
80
55
10
92
98
65
MAX
OUTL+
, unless otherwise
+13.7
MAX
+6.1
+7.9
3.64
1.82
60
to R
OUTL-
UNITS
V
dBV
mW
V/V
mV
dB
dB
dB
dB
dB
dB
dB
dB
pF
%
P-P
11
=