--- 產(chǎn)品詳情 ---
Audio input type | Analog Input |
Architecture | Class-AB |
Speaker channels (Max) | Stereo |
Power stage supply (Max) (V) | 16 |
Power stage supply (Min) (V) | 9.6 |
Load (Min) (ohms) | 4 |
Output power (W) | 11 |
THD + N @ 1 kHz (%) | 0.08 |
Iq (Typ) (mA) | 5.25 |
Control interface | Hardware |
Closed/open loop | Closed |
Analog supply (Min) (V) | 9.6 |
Analog supply (Max) (V) | 16 |
PSRR (dB) | 50 |
Operating temperature range (C) | 0 to 70 |
- Drives 4? and 8? Loads
- Internal Gain Resistors (AV = 34 dB)
- Minimum External Component Requirement
- Single Supply Operation
- Internal Current Limiting
- Internal Thermal Protection
- Compact 7-lead TO-220 Package
- Low Cost-Per-Watt
- Wide Supply Range 9V - 40V
Key Specifications
- Output Power at 10% THD+N with 1kHz into 4? VCC = 24V 11 W (typ)
- Output Power at 10% THD+N with 1kHz into 8? VCC = 24V 7 W (typ)
- Closed Loop Gain 34 dB?(typ)
- PO at 10% THD+N @ 1 kHz into 4? Single-Ended DDPAK Package VCC = 12V 2.5 W (typ)
- PO at 10% THD+N @ 1kHz into 8? Bridged DDPAK Package VCC = 12V 5 W (typ)
All trademarks are the property of their respective owners.
The LM4752 is a stereo audio amplifier capable of delivering 11W per channel of continuous average output power to a 4? load, or 7W per channel into 8? using a single 24V supply at 10% THD+N.
The LM4752 is specifically designed for single supply operation and a low external component count. The gain and bias resistors are integrated on chip, resulting in a 11W stereo amplifier in a compact 7 pin TO-220 package. High output power levels at both 20V and 24V supplies and low external component count offer high value for compact stereo and TV applications. A simple mute function can be implemented with the addition of a few external components.
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