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Specifications
SKU: 368306
Digitally Controlled Audio Mixer
Below is the parameter table and instructions for the SSM2163, a stereo Class D audio amplifier from Analog Devices.
SSM2163 Parameter Table
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD | 2.5 | 3.3 | 5.5 | V | |
| Output Power (8Ω, 1% THD+N) | POUT | - | 1.2 | 1.8 | W | VDD = 5V, Both Channels Driven |
| Output Power (4Ω, 1% THD+N) | POUT | - | 2.0 | 2.7 | W | VDD = 5V, Both Channels Driven |
| Quiescent Current | IQ | - | 6.5 | 9.5 | mA | VDD = 5V, No Load |
| Shutdown Current | ISD | - | 1.0 | 1.5 | μA | VDD = 5V, SHDN = Low |
| Efficiency | η | - | 85 | 90 | % | VDD = 5V, 1kHz, 1W into 8Ω |
| Signal-to-Noise Ratio (SNR) | SNR | - | 105 | 110 | dB | A-Weighted, VDD = 5V, No Load |
| Total Harmonic Distortion | THD | - | 0.01 | 0.1 | % | VDD = 5V, 1kHz, 1W into 8Ω |
| Power Supply Rejection Ratio | PSRR | - | 70 | 80 | dB | 217Hz to 21.7kHz |
| Channel Separation | CS | - | 60 | 70 | dB | 1kHz, VDD = 5V |
| Operating Temperature Range | Toper | -40 | - | 85 | °C | |
| Storage Temperature Range | Tstg | -65 | - | 150 | °C |
Instructions for Using the SSM2163
Power Supply:
- Connect the power supply (VDD) to the appropriate pin. The SSM2163 can operate from 2.5V to 5.5V.
- Ensure the power supply is stable and clean to avoid noise and distortion.
Grounding:
- Connect the ground (GND) pin to the system ground. Proper grounding is crucial for minimizing noise and ensuring stable operation.
Input Signals:
- Connect the input signals to the INP and INN pins for differential inputs.
- For single-ended inputs, connect the non-inverting input (INP) to the signal source and the inverting input (INN) to ground.
Output Connections:
- Connect the output pins (OUTP and OUTN) to the load (e.g., speakers).
- Use appropriate output filters to reduce electromagnetic interference (EMI).
Shutdown Mode:
- To put the device into shutdown mode, pull the SHDN pin low. This will reduce the current consumption to the shutdown current (ISD).
- To resume normal operation, pull the SHDN pin high.
Thermal Management:
- Ensure adequate heat dissipation, especially when operating at high power levels or in high ambient temperatures.
- Use a heatsink if necessary to keep the junction temperature within the operating range.
PCB Layout:
- Follow good PCB layout practices to minimize parasitic inductances and capacitances.
- Place decoupling capacitors close to the power supply pins to ensure stable operation.
Protection Circuits:
- The SSM2163 includes built-in protection circuits such as thermal shutdown and short-circuit protection. However, it is still important to design the system to handle potential faults.
By following these instructions and using the parameters provided, you can effectively integrate the SSM2163 into your audio application.
(For reference only)Inquiry - SSM2163
