Hello! now
tms@lcdchip.com
Unveiling the PAM8904JER: A Premier Piezoelectric Speaker Driver Chip
- Part No.:
- NCS2211DR2G
- Manufacturer:
- onsemi
- Category:
- Logic - Multivibrators
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
NCS2211DR2G.pdf
- Description:
- IC AMP CLASS AB MONO 1.5W 8SOIC
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:
- Shipping:
Article Details
- Details
- Specifications
- NCS2211DR2G Tags
2025/9/17 14:45:26
In the ever - evolving landscape of audio electronics, the PAM8904JER, a product by Diodes, emerges as a high - performance piezoelectric speaker driver chip. It's designed to meet the growing demands for efficient and reliable sound generation in various electronic devices.
Packaging and Mounting
The PAM8904JER comes in a specific packaging type, which is optimized for space - conscious designs. This packaging not only allows for easy integration into compact electronic enclosures but also simplifies the manufacturing process. The surface - mount mounting style is adopted, enabling automated pick - and - place assembly on printed circuit boards (PCBs). This mounting method ensures high - precision placement, contributing to the overall reliability and performance of the end - product.
Electrical Characteristics
-
Voltage Range
The PAM8904JER can operate within a relatively wide voltage range. This flexibility in operating voltage allows it to be powered by different power sources, such as single - cell batteries in portable devices or standard power supplies in larger electronic equipment. This adaptability is crucial for its integration into diverse applications.
-
Current and Frequency
It has well - defined current characteristics. The quiescent current, for example, is designed to be low, which is beneficial for battery - powered devices as it helps conserve power and extend battery life. In terms of frequency, the chip can handle a specific range of input frequencies, enabling it to accurately reproduce a variety of sound signals. The oscillation frequency and other related frequency - dependent parameters are carefully engineered to ensure smooth and stable operation.
-
Temperature Range
With an operating temperature range that spans from a low temperature to a relatively high one, the PAM8904JER can function reliably in different environmental conditions. Whether it's in a cold outdoor environment or a warm indoor setting, the chip is designed to maintain its performance without significant degradation.
Functional Features
-
Charge - Pump Technology
The PAM8904JER incorporates advanced charge - pump technology. This charge - pump can operate in multiple modes, such as 1x, 2x, or 3x multiplication factors. This feature allows the chip to boost the supply voltage to a level suitable for driving piezoelectric speakers effectively, while minimizing the need for complex external voltage - regulation circuitry.
-
Output Modes and Protection
It offers multiple output modes, including single - ended and differential outputs. This versatility allows for compatibility with different types of piezoelectric speakers and audio systems. Additionally, the chip is equipped with comprehensive protection features. Thermal shutdown protection prevents the chip from overheating under extreme conditions, while over - current and short - circuit protection safeguard the chip and the connected components from potential damage.
-
Auto - Shutdown and Wake - up
The auto - shutdown and wake - up functions are key features of the PAM8904JER. In idle states, the chip can automatically enter a low - power shutdown mode to conserve energy. When an audio signal is detected, it can quickly wake up and resume normal operation, ensuring efficient power management in applications where the device may be in standby for extended periods.
Output Capabilities
The PAM8904JER is capable of delivering a substantial output voltage to drive piezoelectric speakers. It can generate a peak - to - peak output voltage that is sufficient to drive speakers with different impedance and capacitance values. This high - voltage output capability, combined with its ability to drive relatively high - capacitance loads, makes it suitable for a wide range of piezoelectric speakers, ensuring clear and loud sound output.
Applications
-
Consumer Electronics
In consumer electronics such as smartphones, tablets, and portable media players, the PAM8904JER can be used to drive the piezoelectric speakers for ringtones, notifications, and audio playback. Its low - power consumption and compact packaging make it an ideal choice for these battery - powered devices.
-
Industrial and Automotive
In industrial equipment, it can be used for alarm systems and status indicator sounds. In the automotive sector, it can drive piezoelectric speakers for vehicle - related alerts, such as seat - belt reminders or parking sensor notifications. Its wide operating temperature range and robust protection features make it suitable for these harsh and demanding environments.
-
Medical Devices
Medical devices also benefit from the PAM8904JER. It can be used to generate audible signals in devices like blood pressure monit
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Resistance:
- Class AB
- Tolerance:
- 1-Channel (Mono)
- Power (Watts):
- 1.5W x 1 @ 4Ohm
- Composition:
- 2.7V ~ 5.5V
- Features:
- Shutdown
- Temperature Coefficient:
- Surface Mount
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Supplier Device Package:
- -
- Ratings:
- -
- Size / Dimension:
- 8-SOIC
- Height - Seated (Max):
- Number of Terminations:
- Failure Rate:
Inventory:3,212
Please send an inquiry. Send us your inquiry, and we will respond immediately.
