MAX9867ETJ+ by Analog Devices

Ultra-Low Power Stereo Audio Codec


The MAX9867 is an ultra-low power stereo audio codec designed for portable consumer devices such as mobile phones and portable gaming consoles. The device features stereo differential microphone inputs that can be connected to either analog or digital microphones. The single-ended line inputs, with configurable preamplifier, can be sent to the ADC for record or routed directly to the headphone amplifier for playback. An auxiliary ADC path can be used to track any DC voltage. The stereo headphone amplifiers support differential, single-ended, and capacitorless output configurations. Using the capacitorless output configuration, the device can output 10mW into 32Ω headphones. Comprehensive click-and-pop circuitry suppresses audible clicks and pops during volume changes and startup or shutdown. Utilizing Maxim's proprietary digital circuitry, the device can accept any available 10MHz to 60MHz system clock. This architecture eliminates the need for an external PLL and multiple crystal oscillators. The stereo ADC and DAC paths provide user-configurable voiceband or audioband digital filters. Voiceband filters provide extra attenuation at the GSM packet frequency and greater than 70dB stopband attenuation at fS/2. The MAX9867 operates from a single 1.8V supply, and supports a 1.65V to 3.6V logic level. An I²C 2-wire serial interface provides control for volume levels, signal mixing, and general operating modes. The MAX9867 is available in a tiny 2.2mm x 2.7mm, 0.4mm-ball-pitch, WLP package. A 32-pin 5mm x 5mm TQFN package is also available. Request S/W Drivers

Where to Buy

Prices starting from US$1.51

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Features

1.8V Single-Supply Operation
6.7mW Playback Power Consumption
90dB Stereo DAC, 8kHz ≤ fS ≤ 48kHz
85dB Stereo ADC, 8kHz ≤ fS ≤ 48kHz
Battery-Measurement Auxiliary ADC
Support for Any Master Clock Between 10MHz to 60MHz
Stereo Digital Microphone Input Support
Stereo Analog Differential Microphone Inputs
Stereo Headphone Amplifiers: Differential, Single-Ended, or Capacitorless
Stereo Line Inputs
Voiceband Filter with a Stopband Attenuation Greater than 70dB
1.65V to 3.6V Digital Interface Supply Voltage
I²S/TDM-Compatible Digital Audio Bus
30-Bump, 2.2mm x 2.7mm 0.4mm-Pitch WLP

Specifications

Functions Audio CODEC
VSUPPLY (V) (min) 1.65
VSUPPLY (V) (max) 1.95
IQ (mA) 4.68 (Playback)
# ADCs 2
# DACs 2
SNR (dB) (ADC) 85
Bit Depth (ADC) 18
Sample Rate (kHz) (ADC) 8 to 48
SNR (dB) (DAC) 90
Bit Depth (DAC) 18
Sample Rate (kHz) (DAC) 8 to 48
Pitch (mm) 0.40.5
Interface Audio - I2SSerial - I2C
Package/Pins TQFN/32TQFN-CU/32WLP/30
BudgetaryPrice (See Notes) 1.17


MAX9867ETJ+ Semiconductors - ICs by Analog Devices

AUDIO CODEC 48KSPS I2C/I2S TQFN-32

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Audio CODEC Type Stereo
No. of ADCs 2
No. of DACs 2
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Sampling Rate 48kSPS
Audio IC Case Style TQFN
No. of Pins 32Pins
No. of Input Channels 4Channels
No. of Output Channels 2Channels
ADC / DAC Resolution 18bit
ADCs / DACs Signal to Noise Ratio 85dB
IC Interface Type I2C I2S
Supply Voltage Range 1.65V to 1.95V
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Low-Power, Stereo Audio Codec | Analog Devices
Audio Codec, 48Ksps, I2C/I2S, Tqfn-32 | Newark Electronics
AUDIO CODEC, 48KSPS, I2C/I2S, TQFN-32 | element14

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX9867ETJ+ ?

Additional datasheets, footprints and schematics for MAX9867ETJ+ are listed on our Part Details page. You can also find images and similar parts to MAX9867ETJ+ on this page.

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Is the MAX9867ETJ+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX9867ETJ+ have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14, Farnell and Avnet Silica have stock available or on a lead time for MAX9867ETJ+ .

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