MAX9853ETM+ Maxim Integrated Products, MAX9853ETM+ Datasheet - Page 24

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

Specifications of MAX9853ETM+

• 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
• Conversion Rate: 48 KHz
• 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
• Snr: 75 dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Stereo Audio CODECs with Microphone, DirectDrive
Headphones, Speaker Amplifiers, or Line Outputs
24
MAX9851
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PIN
MAX9853
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EXTMICBIASL
SHDNOUT
FAULTIN
LINEIN1
LINEIN2
OUTR+
RSPK+
OUTL+
LSPK+
OUTR-
MBIAS
NAME
RSPK-
OUTL-
LSPK-
PGND
NREG
PREG
PV
PV
PV
AV
SV
PV
HPL
HPR
REC
REF
DD
DD
DD
DD
SS
SS
Left External Microphone Bias. Provides a 2.4V microphone bias for the external
microphone’s left channel through selectable 2.2kΩ or 470Ω output impedance resistor.
Internal Positive Regulator Output. Bypass to AGND with a 1µF capacitor.
Left Speaker Positive Power-Supply Input. Bypass to PGND with a 0.1µF capacitor.
Positive Left-Channel Class D Speaker Output
Negative Left-Channel Class D Speaker Output
Class D Speaker Amplifier Ground
Negative Right-Channel Class D Speaker Output
Positive Right-Channel Class D Speaker Output
Right Speaker Positive Power-Supply Input. Bypass to PGND with a 0.1µF capacitor.
Noninverted Differential Left-Channel Line-Level Output. OUTL+ is biased at 1.23V.
Inverted Differential Left-Channel Line-Level Output. OUTL- is biased at 1.23V.
Shutdown Output. Open-drain shutdown output used to control an external amplifier
shutdown input through the MAX9851/MAX9853 I
resistor to DV
Fault Input. Logic input with internal 300kΩ pullup resistor. The state of FAULTIN is
reported in status register 0x00 and can be used to trigger a hardware interrupt.
Headset Autodetect Positive Power-Supply Input. Connect to PV
proper headset detect operation during sleep mode (see the Headset Detect section).
Connect to AV
Inverted Differential Right-Channel Line-Level Output. OUTR- is biased at 1.23V.
Noninverted Differential Right-Channel Line-Level Output. OUTR+ is biased at 1.23V.
Internal Negative Regulator Output. Bypass to AGND with a 1µF capacitor.
Reference Output. Bypass to AGND with a 1µF ceramic capacitor.
Internal Microphone Bias Regulator Output. Bypass to AGND with a 1µF capacitor.
Line Input 1. AC-couple analog audio signal to LINEIN1.
Line Input 2. AC-couple analog audio signal to LINEIN2.
Audio Power-Supply Input. Bypass to AGND with 0.1µF and 10µF capacitors.
Left-Channel Headphone Output (Stereo Mode)/Noninverting Headphone Output
(Balanced Mono Mode). HPL is a DirectDrive output biased at AGND.
Right-Channel Headphone Output (Stereo Mode)/Noninverting Headphone Output
(Balanced Mono Mode). HPR is a DirectDrive output biased at AGND.
Headphone and Receiver Amplifier Negative Supply Input. Connect to PV
Handset Receiver Output. REC is a DirectDrive output biased at AGND.
Inverting Charge-Pump Output. Bypass to CPGND with a 1µF ceramic capacitor and
connect to SV
DD
SS
DD
for full output swing.
to provide the headphone and receiver amplifiers with a negative supply.
if not used. Bypass to AGND with a 0.1µF capacitor.
FUNCTION
2
C interface. Connect a 10kΩ pullup
Pin Description
DD
battery voltage for
SS
.