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Specifications
SKU: 12420186
| Parameter | Description | Value/Range |
|---|---|---|
| Part Number | Identification of the component | YMF297F |
| Function | Type of function | Audio Codec |
| Supply Voltage (Vcc) | Operating voltage range | 3.0V to 3.6V |
| Current Consumption | Typical current consumption | 15mA (Active Mode) |
| Standby Current | Current consumption in standby mode | 1μA |
| Sampling Rate | Supported sampling rates | 8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz |
| Analog Inputs | Number of analog input channels | 2 (Stereo) |
| Analog Outputs | Number of analog output channels | 2 (Stereo) |
| Digital Interface | Supported digital audio interfaces | I2S, PCM |
| SNR (Signal-to-Noise Ratio) | Signal-to-noise ratio for analog inputs | 90dB |
| THD+N (Total Harmonic Distortion + Noise) | Distortion and noise level for analog outputs | 0.005% |
| Operating Temperature | Range of operating temperatures | -40°C to 85°C |
| Package | Type of package | TSSOP-28 |
| Pin Count | Number of pins | 28 |
Instructions for Use
Power Supply:
- Connect the Vcc pin to a stable power supply within the range of 3.0V to 3.6V.
- Connect the GND pin to the ground.
Analog Input Configuration:
- Connect the analog audio signals to the INL (Left Input) and INR (Right Input) pins.
- Ensure that the input signals are within the specified input range to avoid distortion.
Analog Output Configuration:
- Connect the analog audio outputs from the OUTL (Left Output) and OUTR (Right Output) pins to your audio amplifier or headphones.
- Use appropriate decoupling capacitors to filter out any noise.
Digital Interface Configuration:
- Configure the digital interface (I2S or PCM) by setting the appropriate control registers via the SPI or I2C interface.
- Connect the digital audio data lines (BCLK, LRCLK, DIN, DOUT) to your microcontroller or DSP.
Control and Configuration:
- Use the SPI or I2C interface to configure the codec settings such as sampling rate, volume control, and input/output selection.
- Refer to the datasheet for the specific register addresses and bit configurations.
Power Management:
- To enter standby mode, set the appropriate power management register to reduce power consumption.
- To resume normal operation, reset the power management register.
Thermal Considerations:
- Ensure adequate heat dissipation if the device is used in high-power applications or in environments with high ambient temperatures.
- Follow the recommended PCB layout guidelines to optimize thermal performance.
Storage and Handling:
- Store the device in a dry, cool environment to prevent moisture damage.
- Handle the device with care to avoid static discharge, which can damage the sensitive components.
For detailed specifications and advanced configuration options, refer to the YMF297F datasheet provided by the manufacturer.
(For reference only)Inquiry - YMF297F
