Details

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BUY IDT92HD91B2X5NLGXYAX8 https://www.utsource.net/itm/p/9774402.html

Parameter	Description	Value	Unit
Device Type	High-Definition Audio Codec	-	-
Package	QFN (Quad Flat No-Lead)	48-pin	-
Operating Temperature Range	Minimum	-40	掳C
Operating Temperature Range	Maximum	85	掳C
Supply Voltage (VDD)	Minimum	2.7	V
Supply Voltage (VDD)	Maximum	3.6	V
I/O Voltage (VIO)	Minimum	1.62	V
I/O Voltage (VIO)	Maximum	3.6	V
Analog Input Channels	Number	8	-
Analog Output Channels	Number	8	-
Digital Audio Interfaces	Types	I2S, TDM, PDM	-
SNR (Signal-to-Noise Ratio)	Analog Input	105	dB
SNR (Signal-to-Noise Ratio)	Analog Output	105	dB
THD+N (Total Harmonic Distortion + Noise)	Analog Input	-95	dB
THD+N (Total Harmonic Distortion + Noise)	Analog Output	-95	dB
Power Consumption	Active Mode	120	mW
Power Consumption	Shutdown Mode	1	渭W
Clock Frequency	Minimum	1	MHz
Clock Frequency	Maximum	48	MHz
JESD204B Interface	Supported	Yes	-
EMI (Electromagnetic Interference)	Mitigation Techniques	Spread Spectrum, Filtering	-

Instructions for Use:

1. Power Supply:

   • Connect the VDD pin to a stable power supply within the range of 2.7V to 3.6V.
   • Connect the VIO pin to a stable I/O voltage within the range of 1.62V to 3.6V.

2. Grounding:

   • Ensure all ground pins (GND) are connected to a common ground plane to minimize noise.

3. Analog Inputs:

   • Connect analog signals to the appropriate input pins (AIN1 to AIN8).
   • Use external bias resistors if necessary for single-ended inputs.

4. Analog Outputs:

   • Connect the analog outputs (AOUT1 to AOUT8) to the desired load or amplifier.
   • Ensure proper termination and impedance matching for optimal performance.

5. Digital Audio Interfaces:

   • Configure the digital audio interfaces (I2S, TDM, PDM) using the control registers.
   • Ensure correct clock and data line connections for the selected interface.

6. JESD204B Interface:

   • If using the JESD204B interface, configure the lanes and link settings according to the application requirements.
   • Ensure proper lane alignment and synchronization.

7. Clocking:

   • Provide a stable clock signal to the device within the specified frequency range (1MHz to 48MHz).
   • Use a low-jitter clock source for best performance.

8. Power Management:

   • Use the power-down modes to reduce power consumption when not in use.
   • Ensure that the device is powered down correctly to avoid damage.

9. EMI Mitigation:

   • Implement spread spectrum and filtering techniques as recommended to reduce electromagnetic interference.

10. Software Configuration:

    • Use the provided software development tools or libraries to configure the device settings.
    • Refer to the datasheet and application notes for detailed register maps and configuration examples.

11. Thermal Management:

    • Ensure adequate heat dissipation by following the recommended PCB layout guidelines.
    • Use thermal vias and a heatsink if necessary, especially in high-power applications.

(For reference only)