AmplifierCircuits

FEATURES 2 × 30 W (BTL) Into 6 Ω at 1 kHz 95-dB Dynamic Range (in System With TAS5026) < 0.2% THD+N (in System – 30 W RMS Into 6-Ω Resistive Load) Device Power Efficiency Typical >90% Into 6-Ω Load Self-Protection Design (Including Undervoltage, Overtemperature, and Short Conditions) With Error Reports Internal Gate Drive Supply Voltage Regulator EMI Compliant When Used With Recommended System Design DESCRIPTION The TAS5122 is a high-performance, integrated stereo digital amplifier power stage designed to drive 6-Ω speakers at up to 30 W per channel. The device incorporates TI’s PurePath Digital technology and is used with a digital audio PWM processor (TAS50XX) and a simple, passive demodulation filter to deliver high-quality, high-efficiency, true-digital audio amplification. The efficiency of this digital amplifier is typically greater than 90%. Overcurrent protection, overtemperature protection, and undervoltage protection are built into the TAS5122, s...

70W (6Ω) x 1ch BTL Power Amplifier Built-in Standby and Muting Features Incorporating Various Protection Circuits

Overview: The STK400-030 is a 3-channel AF power amplifier IC  supporting multichannel speakers. One package includes  20W×3ch for Lch, Rch and Cch. It is pin compatible with  both 3-channel output devices (STK400-*00 series) and 2-  channel output devices (STK401-*00 series). The output  load impedance is 6/3Ω. Features: New series combining 3-channel output devices  (STK400-*00 series) and 2-channel output devices  (STK401-*00 series) with the same pin compatibility.  Output load impedance is 6/3Ω.  Pin assignment is grouped into individual blocks of  inputs, outputs and supply lines, minimizing the adverse  effects of pattern layout on operating characteristics. Minimum number of external components required. Circuit Diagram: 20W+20W+20W AF Power Amplifier

Description STA516B is a monolithic quad half-bridge stage in multipower BCD technology. The device can be used as dual bridge or reconfigured, by connecting pin CONFIG to pins VDD, as a single  bridge with double-current capability or as a half bridge (binary mode) with half current capability. The device is designed, particularly, to be the  output stage of a stereo all digital high efficiency  amplifier. It is capable of delivering 200 W + 200 W into 6  loads with THD = 10% at VCC = 51 V or, in single BTL configuration, 400 W  into a 3 load with THD = 10% at VCC = 52 V. The input pins have a threshold proportional to the voltage on pin VL. The STA516B is aimed at audio amplifiers in hi-fi applications, such as home theatre systems, active speakers and docking stations. It comes in a 36 pin PowerSO package with exposed pad up (EPU). Features Low input/output pulse width distortion 200 m RdsON complementary DMOS output  stage CMOS compatible l...

FEATURES: High efficiency (> 94 %) Operating voltage from ±7.5 V to ±30 V Very low quiescent current High output power Diagnostic output Usable as a stereo Single-Ended (SE) amplifier Electrostatic discharge protection (pin to pin) No heatsink required. APPLICATIONS: Television sets Home-sound sets Multimedia systems All mains fed audio systems. GENERAL DESCRIPTION: The TDA8925 is a switching power stage for a high  efficiency class-D audio power amplifier system.  With this power stage a compact 2 × 15 W self oscillating  digital amplifier system can be built, operating with high  efficiency and very low dissipation. No heatsink is  required. The system operates over a wide supply voltage  range from ±7.5 V up to ±30 V and consumes a very low  quiescent current. Circuit Diagram: Circuit diagram for Power stage 2 x 15 to 25 W class-D