MAX9867ETJ+ - Maxim Integrated

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

MAX9867ETJ+
Manufacturer

Maxim Integrated
ChipWorker Part#

CW37726989
Category

CODEC
Package

TQFN-32
Description

Audio Codec 2ADC / 2DAC 32Pin TQFN EP
Documentation

Datasheet

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MAX9867ETJ+ Specifications

Attribute	Attribute Value

Part Number	MAX9867ETJ+
Manufacturer	Maxim Integrated
ChipWorker Part#	CW37726989
Category	CODEC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	32 Pin
Case/Package	TQFN-32
Supply Current	12 mA
Number of Positions	32 Position
Sample Rate	48.0 kHz
Number of ADCs	2 ADC
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Number of Input Channels	4 Channel
Number of Output Channels	2 Channel
Number of DACs	2 DAC
Supply Voltage	1.65V ~ 1.95V
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Size-Length	5.1 mm
Size-Width	5.1 mm
Size-Height	0.75 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2013/06/20

Product Description

The MAX9867ETJ+ is an ultra low power stereo audio codec in 32 pin TQFN package. The device has stereo differential microphone inputs that can be connected to either analogue or digital microphones. The single ended line inputs with configurable preamplifier can be sent to ADC for record or routed directly to 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 32ohm headphones. Comprehensive click and pop circuitry suppresses audible clicks and pops during volume changes and start-up or shutdown. Utilizing Maxim"s 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.
Supply voltage range from 1.65V to 1.95V (PVDD, DVDD, AVDD) and 1.65V to 3.6V (DVDDIO)
Operating temperature range from -40°C to 85°C
I2S/TDM compatible digital audio bus
Integrates auxiliary battery measurement ADC and capacitorless headphone amps
6.7mW playback power consumption
90dB stereo DAC, 8KHz
Stereo digital microphone input support stereo analogue differential microphone inputs
Gain error of 1% and PSRR (DAC) of 78dB f = 217Hz, VRIPPLE = 100mVP-P, AVVOL = 0dB
Voiceband filter with stopband attenuation greater than 70dB
Shutdown supply current of 1µA (analogue (AVDD + PVDD)) at TA = +25°C

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