Overview
The STA516BE, produced by STMicroelectronics, is a second-generation, high-performance, integrated stereo digital amplifier power stage. It is designed using multipower BCD technology and features an improved protection system. This device is capable of driving high-power audio loads with very low noise, low total harmonic distortion plus noise (THD + N), and low idle power dissipation. The STA516BE can be configured as a dual-bridge or reconfigured into various modes such as single-bridge or half-bridge configurations, offering flexibility in system design.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Power at 56 V supply voltage | 2 x 250 W at 10% THD + N into 6 Ω BTL | - |
| 2 x 200 W at 10% THD + N into 8 Ω BTL | - | |
| 4 x 130 W at 10% THD + N into 3 Ω SE | - | |
| 4 x 100 W at 10% THD + N into 4 Ω SE | - | |
| 1 x 480 W at 10% THD + N into 3 Ω PBTL | - | |
| Output Power at 52 V supply voltage | 2 x 200 W at 10% THD + N into 6 Ω BTL | - |
| 4 x 100 W at 10% THD + N into 3 Ω SE | - | |
| 1 x 400 W at 10% THD + N into 2 Ω PBTL | - | |
| THD + N at 1 W | < 0.1% | - |
| Package | PowerSO-36 (EPU) | - |
| Operating Temperature Range | 0 to 90 °C | - |
| DC Supply Voltage (pins 4, 7, 12, 15) | 65 V | V |
| RdsON (Power P-channel/N-channel MOSFET) | 190 mΩ | mΩ |
Key Features
- High efficiency power stage (> 90%) with low RdsON (190 mΩ).
- Integrated self-protection circuits including overtemperature, undervoltage, overvoltage, overload, and short-circuit protection.
- CMOS compatible logic inputs and high-speed MOSFET outputs.
- Thermal warning status and automatic recovery mode after fault conditions.
- EMI compliant when used with recommended system design.
- Flexible configuration options: dual-bridge, single-bridge, or half-bridge modes.
- Low idle power dissipation and minimum input/output pulse width distortion.
Applications
- Home theater systems.
- DVD receivers.
- Mini and micro audio systems.
- High-fidelity audio systems requiring high efficiency and low noise.
Q & A
- What is the maximum output power of the STA516BE at 56 V supply voltage?
The STA516BE can deliver up to 2 x 250 W at 10% THD + N into 6 Ω BTL, and up to 1 x 480 W at 10% THD + N into 3 Ω PBTL.
- What is the package type of the STA516BE?
The STA516BE is available in the PowerSO-36 (EPU) package.
- What are the key protection features of the STA516BE?
The device includes overtemperature, undervoltage, overvoltage, overload, and short-circuit protection, along with a thermal warning status and automatic recovery mode.
- How efficient is the STA516BE power stage?
The power stage of the STA516BE has an efficiency greater than 90%.
- What are the typical applications of the STA516BE?
The STA516BE is typically used in home theater systems, DVD receivers, and mini/micro audio systems.
- Can the STA516BE be configured in different modes?
Yes, the STA516BE can be configured as a dual-bridge, single-bridge, or half-bridge, offering flexibility in system design.
- What is the operating temperature range of the STA516BE?
The operating temperature range of the STA516BE is from 0 to 90 °C.
- How does the STA516BE handle fault conditions?
The device includes a fault detection system that disables the output power MOSFETs and signals the fault condition. It also supports automatic recovery mode after fault conditions.
- Is the STA516BE EMI compliant?
Yes, the STA516BE is EMI compliant when used with the recommended system design.
- What type of logic inputs does the STA516BE support?
The STA516BE supports CMOS compatible logic inputs.
