MAX9851ETM+ Maxim Integrated Products, MAX9851ETM+ Datasheet
MAX9851ETM+
Specifications of MAX9851ETM+
Related parts for MAX9851ETM+
MAX9851ETM+ Summary of contents
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... Clickless/Popless Operation ♦ Flexible Shutdown Modes for Power Saving ♦ Comprehensive Headset Detection ♦ Ultra-Low Power Wake-Up on Headset Detection PART MAX9851ETM+ Applications MAX9853ETM+ Note: All devices specified over the -40°C to +85°C temperature range. +Denotes lead-free package. *EP = Exposed pad. ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs DV AND DV DD 1.7V TO 3.3V MAX9851 SDOUTS1 SDINS1 DIGITAL INTERFACE 1 BCLKS1 LRCLKS1 SDOUTS2 DIGITAL SDINS2 INTERFACE 2 BCLKS2 LRCLKS2 SDA SCL INTERNAL ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs ABSOLUTE MAXIMUM RATINGS (Voltages with respect to AGND CPV .................................-0. DDS2 ...............................................................-4V to +0.3V ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs ELECTRICAL CHARACTERISTICS (continued) (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs ELECTRICAL CHARACTERISTICS (continued) (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs ELECTRICAL CHARACTERISTICS (continued) (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs ELECTRICAL CHARACTERISTICS (continued) (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs ELECTRICAL CHARACTERISTICS (continued) (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs ELECTRICAL CHARACTERISTICS (continued) (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs ELECTRICAL CHARACTERISTICS (continued) (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs ELECTRICAL CHARACTERISTICS (continued) (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs ELECTRICAL CHARACTERISTICS (continued) (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs ELECTRICAL CHARACTERISTICS (continued) (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs TIMING CHARACTERISTICS (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ OUTR- ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs TIMING CHARACTERISTICS (continued) (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs TIMING CHARACTERISTICS (continued) (AV = CPV = +3V DDS2 10kΩ 10kΩ 0.22µ OUTR+ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs TYPICAL POWER DISSIPATION (No Output Load) (AV = CPV = +3V DDS2 MODE DAC playback mode operating at 48kHz sampling rate Line-only ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs (AV = CPV = +3V DDS2 10kΩ 0.22µ OUTR+ OUTR- HP/REC volume = ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs (AV = CPV = +3V DDS2 10kΩ 0.22µ OUTR+ OUTR- HP/REC volume = ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs (AV = CPV = +3V DDS2 10kΩ 0.22µ OUTR+ OUTR- HP/REC volume = ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs (AV = CPV = +3V DDS2 10kΩ 0.22µ OUTR+ OUTR- HP/REC volume = ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs (AV = CPV = +3V DDS2 10kΩ 0.22µ OUTR+ OUTR- HP/REC volume = ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs (AV = CPV = +3V DDS2 10kΩ 0.22µ OUTR+ OUTR- HP/REC volume = ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs PIN NAME MAX9851 MAX9853 1 1 EXTMICBIASL 2 2 PREG 3 — — LSPK+ 5 — LSPK- 6 — PGND 7 — RSPK- 8 — ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs PIN NAME MAX9851 MAX9853 21 21 C1N 22 22 CPGND 23 23 C1P 24 24 CPV SCL 26 26 SDA 27 27 SDINS1 28 28 ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs PIN NAME MAX9851 MAX9853 DDS2 38 38 MCLK VIBE 39 39 IRQ EXTMICR 42 42 EXTMICL 43 43 AGND 44 44 ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs MAX9851 Functional Diagram/Typical Operating Circuit ______________________________________________________________________________________ 27 ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs MAX9853 Functional Diagram/Typical Operating Circuit 28 ______________________________________________________________________________________ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Detailed Description The MAX9851 CODEC, with a stereo DirectDrive head- phone amplifier and a stereo Class D speaker amplifi- er complete digital audio solution for GSM/ ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Table 1. Digital Audio Interface Modes MODE 48 Master (stereo audio mode) 44.1 Master (stereo audio mode) 32 Master (stereo audio mode) 24 Master (stereo audio mode) 22.05 ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs and right DACs (see the Signal Routing section). The right- and left-channel input data is summed without attenuation and may overdrive the input filter, causing distortion, when the ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs SLAVE MODE: S_WCI = 1, S_BCI = 0, S_DLY = 0, S_WS = 0 LEFT LRCLK (IN) SDIN LEFT DATA ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs STEREO SERIAL-INTERFACE TIMING DIAGRAM (SLAVE MODE) SDIN (INPUT BCLK (BCI = 1, INPUT) BCLK (BCI = 0, INPUT) t DLY SDOUT ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Changing Serial Audio Interface Modes Set S1SD0 = S1SDI = 0 (register 0x03 and 0x05, bit B6) before making any mode changes to serial audio inter- face S1 ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs The MAX9851/MAX9853 operate from either a 13MHz or 26MHz master input clock (MCLK). 16kHz voice mode requires a 26MHz clock. The quality of the clock signal has a ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs CONVENTIONAL AMPLIFIER BIASING SCHEME DirectDrive AMPLIFIER BIASING SCHEME Figure 5. Traditional Amplifier Output vs. MAX9851/MAX9853 DirectDrive Output Set HRMODE to 100 (register 0x18, bits B2–B0) to enable standard ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs inductance of the speaker coil to filter the high-frequen- cy PWM components, and the natural filtering of both the speaker and the human ear to recover the audio ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs The MAX9851/MAX9853 include a VIBE digital output that may be used to control an external vibrator/trans- ducer, or may be used as a general-purpose output. The Vibe circuitry ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs The MAX9851/MAX9853 feature extensive signal-path mixing, allowing nearly any combination of inputs and outputs. Use MIXDAL and MIXDAR (register 0x08–see the I Registers and Bit Descriptions section for ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs EXTMICBIASR EXTMICR HPL HPR EXTMICL EXTMICBIASL Figure 8. Headset-Detection Circuitry Power-Off/Sleep Mode When the analog or digital supplies are removed from the MAX9851/MAX9853, the headset detect circuit enters ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Table 3. HSDET Bit Decode HSDET HPR [11XXXX] x [01XXXX] x [00XXXX] x [XX1XXX] Low [XX0XXX] High [XXX1XX] x [XXX0XX] x [XXXX11] x [XXXX01] x [XXXX00] x Table ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs connected, HPR and HPL are pulled high by the inter- nal sense bias. To detect the balanced mono configu- ration, set HSTEST enable Test 2. ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Registers and Bit Descriptions Twenty-eight internal registers program and report the status of the MAX9851/MAX9853. Table 8 lists all of the registers, their addresses, and ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Table 8. Register Map (continued) REGISTER B7 B6 Microphone Input Gain Microphone Input Gain MICROPHONE Microphone 0 0 Mode AUDIO VOLUME Sidetone ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Table 9. Status Register 0 REG B7 B6 0x00 CLD SLD Bits in status registers 0x00 and 0x01 are set when an alert condition exists. The status bits ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Table 10. Status Register 1 REG B7 B6 0x01 AOK 1 Analog Section OK (AOK Analog circuitry operating properly Analog startup not complete or ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Table 12. Audio Interface S1 REG B7 B6 0x03 S1SDO S1SDI 0x04 S1MAS S1WCI 0x05 S2SDO S2SDI 0x06 S2MAS S2WCI Serial Data Output Enable (S1SDO/S2SDO Digital ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Master Mode (S1MAS/S2MAS Master mode (LRCLK and BCLK timing signals generated internally; LRCLK and BCLK configured as outputs Slave mode (LRCLK and BCLK accepted ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Table 15. DAC Input Mixer REG B7 B6 0x08 MIXDAL Left and Right DAC Input Mixer (MIXDAL/MIXDAR) Table 16 shows the possible mixing configurations of the incoming digital ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Table 18. Vibe Threshold VTH THRESHOLD VALUE 0x1F 31/ 0x1E 30/ 0x1D 29/ 0x1C 28/ 0x1B 27/ 0x1A ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Table 21. Analog Output Mixer MXOUTL LEFT AUDIO OUTPUT INPUT SOURCE (REGISTER 0x0B, BITS B7–B4) Sidetone 1XXX Line 1 X1XX Line 2 XX1X Left DAC Output XXX1 Right ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Table 24. Line Input Gain Bit Descriptions REG B7 B6 0x0E 0 0 0x0F 0 0 Programmable-Gain Adjustment for Line Inputs PGAL1/PGAL2 configures the programmable-gain adjustment setting for ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Programmable-Gain Adjustment for Microphone Sources (PGAML/PGAMR) PGAML/PGAMR configures the programmable-gain adjustment setting for the microphone left/microphone right input. Code 0x00 is maximum gain while 0x1F is maximum attenuation. ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Audio Volume Control Registers (0x13, 0x14, 0x15, 0x16, 0x17) Table 29. Sidetone Gain Bit Descriptions REG B7 B6 0x13 0 0 Sidetone Volume Control (PGAS) PGAS configures the ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Left and Right Headphone/Receiver Volume Control (HRVOLL/HRVOLR) HRVOLL/HRVOLR configure the volume of the left/right headphone output. HRVOLL and HRVOLR also control the volume of the receiver output as ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs MAX9851: Left and Right Class D Volume Control SPVOLL/SPVOLR configure the output volume of the MAX9851 left/right Class D speaker amplifier. Code Table 34. Speaker Volume Control Settings ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs MAX9853: Left and Right Line Output Volume Control (LOPGAL/LOPGAR) LOPGAL/LOPGAR configures the output volume of the MAX9853 left/right differential line outputs. Code 0x00 is maximum gain while 0x3F ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Table 36. Audio Output Bit Descriptions REG B7 B6 0x18 0 VSEN 1 2 MAX9851, MAX9853 Volume Adjustment Smoothing (VSEN Volume changes smoothed by stepping through ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Headset Detect Enable (ENA Enabled Disabled. ENA = 1 enables the headphone sense biases and powers on the threshold comparator circuitry. Headphone amplifiers must ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Table 40. Shutdown Bit Descriptions (0x1B) REG B7 B6 0x1B DACLEN DACREN Left and Right DAC Enable (DACLEN/DACREN Enable Disable. Enable and disable the ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs One data bit is transferred during each SCL cycle. The data on SDA must remain stable during the high period of the SCL pulse. Changes in SDA while ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs A write to the MAX9851/MAX9853 includes transmission of a START condition, the slave address with the R/W bit set to 0, one byte of data to configure the ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Send the slave address with the R/W bit set initi- ate a read operation. The MAX9851/MAX9853 acknowl- edge receipt of its slave address by pulling ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Applications Information Typical Operating Modes The MAX9851/MAX9853 are capable of a wide variety of operating modes. To ease the process of determining the appropriate settings for a particular ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs 2 Table 42 Register Settings for Voiceband Playback and Record Voiceband Mode (continued) REGISTER (hex) VALUE (hex) 0x15 0x16 0x17 0x18 0x19 0x1A 0x1B 0x03 Stereo ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs 2 Table 44 Register Settings for Stereo Audio Playback Mode REGISTER (hex) VALUE (hex) 0x00 0x01 0x02 0x03 0x04 Program 0x05 last for proper soft-start 0x06 ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Stereo Audio Record To record audio samples, only the ADC and micro- phone interface are required. Table 45 lists an example of this configuration and Table 46 lists ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs 2 Table 46 Register Settings for Stereo Audio Record Mode (continued) REGISTER (hex) VALUE (hex) 0x12 0x06 0x13 0x00 0x14 0x00 0x15 0x00 0x16 0x00 0x17 ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs TOP VIEW DV DDS2 MCLK VIBE IRQ EXTMICR EXTMICL AGND EXTMICGND INTMICP INTMICN INTMICBIAS EXTMICBIASR DV DDS2 MCLK VIBE IRQ EXTMICR EXTMICL AGND EXTMICGND INTMICP INTMICN INTMICBIAS EXTMICBIASR ...
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Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs Selector Guide SPEAKER LINE PART AMPLIFIERS OUTPUTS √ MAX9851ETM MAX9853ETM — (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 71 © 2007 Maxim Integrated Products ...