Overview
The SSM2518CPZ-R7 is a high-performance, low-power, stereo Class D audio amplifier integrated circuit (IC) designed by Analog Devices Inc. This IC is specifically tailored for portable audio applications, offering a compact and efficient solution for various mobile devices.
It features a 2-channel (stereo) operation, delivering up to 2.5W per channel into a 4Ω load, and operates within a wide supply voltage range of 2.5V to 5.5V. The amplifier is known for its low quiescent current of 3.5mA, making it suitable for battery-powered devices.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SSM2518CPZ-R7 |
| Manufacturer | Analog Devices Inc. |
| Mounting Type | Surface Mount |
| Package / Case | 20-pin LFCSP (4x4) |
| Voltage Supply Range | 2.5V to 5.5V |
| Quiescent Current | 3.5mA |
| Output Power | 2.5W x 2 @ 4Ω |
| THD+N | 0.1% (typical) |
| Bandwidth | 20Hz to 20kHz |
| Operating Temperature | -40°C to 85°C |
Key Features
- 2-channel (stereo) operation
- Integrated digital volume control
- Mute, shutdown, and short-circuit protection
- Thermal shutdown and short-circuit protection
- Compact 20-pin LFCSP (4x4) package
- Excellent audio performance with low THD+N
- Minimal external component count
- I²C, I²S digital input compatibility
- Soft turn-on and turn-off for pop-and-click suppression
Applications
- Portable audio devices
- Bluetooth speakers
- Headphone amplifiers
- Portable music players
- Smartphones and tablets
Q & A
- What is the SSM2518CPZ-R7 used for?
The SSM2518CPZ-R7 is used as a high-performance, low-power stereo Class D audio amplifier in portable audio applications.
- What is the output power of the SSM2518CPZ-R7?
The SSM2518CPZ-R7 delivers up to 2.5W per channel into a 4Ω load.
- What is the supply voltage range of the SSM2518CPZ-R7?
The supply voltage range is from 2.5V to 5.5V.
- Does the SSM2518CPZ-R7 have built-in protection features?
Yes, it includes thermal shutdown, short-circuit protection, and mute/shutdown functions.
- What type of digital inputs does the SSM2518CPZ-R7 support?
The SSM2518CPZ-R7 supports I²C and I²S digital inputs.
- What is the quiescent current of the SSM2518CPZ-R7?
The quiescent current is 3.5mA.
- What is the typical THD+N of the SSM2518CPZ-R7?
The typical THD+N is 0.1%.
- Is the SSM2518CPZ-R7 RoHS compliant?
Yes, the SSM2518CPZ-R7 is RoHS3 compliant.
- What is the operating temperature range of the SSM2518CPZ-R7?
The operating temperature range is from -40°C to 85°C.
- Does the SSM2518CPZ-R7 have a power-on reset feature?
Yes, it includes an internal power-on reset and voltage supervisor circuit.
