Automotive 18VPP output Peizo sounder driver
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The PAM8904Q is a piezo sounder driver designed for driving a ceramic/piezo sounder or speaker with 18Vpp from a 3V power supply. A programmable charge pump boost converter allows the PAM8904Q Vout to operate in 1X, 2X and 3X mode.
The boost converter operates at a fixed frequency of 1.0MHz and provides a 9V output with a minimum number of external components and can drive loads of up to 15nF. PAM’s unique drive technology ensures minimal inrush current, low EMI and high efficiency.
Compliance (Only Automotive Supports PPAP) | Automotive |
---|---|
AEC Qualified | Yes |
Minimum VDD (V) | 2.3 |
Maximum VDD (V) | 5.5 V |
IQ (mA) | 1 mA |
Power/CH (W) @ THD=10% | N/A |
Power/CH (W) @ THD=1% | N/A |
Mono or Stereo | Mono |
BTL | Yes |
SE | No |
Class-D or AB | D |
Power Limit | No |
Anti-Sat | No |
Headphone Out | No |
Efficiency (%) | N/A % |
Volume/ Gain | 3- Step |
Gain Min | N/A dB |
Gain Max | N/A dB |
SNR | N/A dB |
PSRR | N/A dB |
Special Features | Boost Converter Built-in |