Overview
The STA516BFTR, produced by STMicroelectronics, is a high-performance, integrated stereo digital amplifier power stage. It is part of the second generation of FFX (Full Flexible eXcited) digital amplifiers, designed to deliver high-efficiency audio amplification. This device is built using multipower BCD technology and is capable of operating in various configurations, including dual-bridge, single-bridge, and half-bridge modes. The STA516BFTR is optimized for high-fidelity audio applications, such as home theater systems, DVD receivers, and mini/micro audio systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Power at 56 V supply voltage | 2 x 250 W at 10% THD + N into 6 Ω BTL | - |
| Output Power at 56 V supply voltage | 2 x 200 W at 10% THD + N into 8 Ω BTL | - |
| Output Power at 56 V supply voltage | 4 x 130 W at 10% THD + N into 3 Ω SE | - |
| Output Power at 56 V supply voltage | 4 x 100 W at 10% THD + N into 4 Ω SE | - |
| Output Power at 56 V supply voltage | 1 x 480 W at 10% THD + N into 3 Ω PBTL | - |
| Output Power at 56 V supply voltage | 1 x 380 W at 10% THD + N into 2 Ω PBTL | - |
| THD + N at 1 W | < 0.1% | - |
| RdsON | 190 mΩ | - |
| Operating Temperature Range | 0 to 90 °C | - |
| Package | PowerSO-36 (EPU) | - |
Key Features
- High-efficiency power stage with efficiency greater than 90% into 8 Ω speakers.
- CMOS compatible logic inputs.
- Integrated self-protection circuits including overtemperature, undervoltage, overvoltage, overload, and short-circuit protection.
- Thermal warning output and automatic recovery mode after fault conditions.
- Low input/output pulse width distortion.
- EMI compliant when used with recommended system design.
- Configurable as dual-bridge, single-bridge, or half-bridge (binary mode) by connecting the CONFIG pin to VDD.
- PowerSO-36 thermally enhanced package with exposed pad up (EPU) for efficient thermal coupling to the heatsink.
Applications
- Home theater systems.
- DVD receivers.
- Mini/micro audio systems.
- Active speakers and docking stations.
Q & A
- What is the maximum output power of the STA516BFTR at 56 V supply voltage into 6 Ω BTL?
2 x 250 W at 10% THD + N.
- What is the efficiency of the STA516BFTR?
The efficiency is greater than 90% into 8 Ω speakers.
- What types of protection does the STA516BFTR include?
Overtemperature, undervoltage, overvoltage, overload, and short-circuit protection.
- How can the STA516BFTR be configured?
It can be configured as dual-bridge, single-bridge, or half-bridge (binary mode) by connecting the CONFIG pin to VDD.
- What is the operating temperature range of the STA516BFTR?
0 to 90 °C.
- What package type does the STA516BFTR use?
PowerSO-36 (EPU) with exposed pad up.
- Is the STA516BFTR EMI compliant?
- What is the typical RdsON value of the STA516BFTR?
190 mΩ.
- How does the thermal warning work on the STA516BFTR?
The thermal warning pin (THWARN) is activated low when the IC temperature exceeds 130 °C.
- What happens when a fault condition is detected in the STA516BFTR?
The output power MOSFETs are immediately disabled, and the device can be reset to normal operation by toggling the TRISTATE pin or through automatic recovery mode.
