■ 5 W + 5 W continuous output power:
RL = 8 Ω, THD = 10% at VCC = 9 V
■ 5 W + 5 W continuous output power:
RL = 4 Ω, THD = 10% at VCC = 6.6 V
■ Wide range single supply operation (5 V - 14 V)
■ High efficiency (η = 90%)
■ Four selectable, fixed gain settings of
nominally 20 dB, 26 dB, 30 dB and 32 dB
■ Differential inputs minimize common-mode
noise
■ Filterless operation
■ No ‘pop’ at turn-on/off
■ Standby and mute features
■ Short-circuit protection
■ Thermal overload protection
■ Externally synchronizable
1FEATURES 2• Audio Input/Output • Benefits – 20-W Into an 8-Ω Load From an 18-V Supply – Up to 90% Efficient – Wide PVDD Range, From 8 V to 26 V – AD and BD Filter Mode Support – Efficient Class-D Operation Eliminates – SNR: 106 dB, A-Weighted Need for Heatsinks – EQ: Speaker Equalization Improves Audio – One Serial Audio Input (Two Audio Performance Channels) – DRC: Dynamic Range Compression. Can – 2.1 Mode (2 SE + 1 BTL) Be Used As Power Limiter. Enables – 2.0 Mode (2 BTL) Speaker Protection, Easy Listening, – Single-Filter PBTL Mode Support Night-Mode Listening. – I2C Address Selection Pin (Chip Select) – Separate DRC for Satellite and Subchannels – Supports 8-kHz to 48-kHz Sample Rate (LJ/RJ/I2S) – Autobank Switching: Preload Coefficients for Different Sample Rates. No Need to • Audio/PWM Processing Write new Coefficients to the Part When – Independent Channel Volume Controls With Sample Rate Changes. 24-dB to Mute – Autode...
1特性说明 • 支持多路输出配置TPA31xxD2 系列产品是用于驱动高达100W/2Ω 的单 – 21V 时,2x50W 被驱动进入一个 4Ω 桥接式 声道扬声器的立体声高效、数字放大器功率级。 (BTL) 负载(TPA3116D2) TPA3130D2 的高效率使得它能够在一个单层印刷电路 – 24V 时,2x30W 被驱动进入一个8Ω BTL 负板(PCB) 上实现2x15W 而无需外部散热片。 载(TPA3118D2) TPA3118D2 甚至能够在一个双层PCB 上在不需要散 – 15V 时,2x15W 被驱动进入一个8Ω BTL 负载热片的情况下运行2x30W/8Ω。如果需要更高的功 (TPA3130D2) 率,TPA3116D2 在它正面散热垫(PowerPad) 上连接 • 宽电压范围:4.5V - 26V 一个小型散热片后,运行2x50W/4Ω。所有这三个器 • 高效D 类操作件共用同一封装,这使得可在不同的功率级范围内使用 – 大于90% 的功率效率与低空闲损失组合在一起一个单一PCB。 大大减少了散热片尺寸 – 调制系统 TPA31xxD2 振荡器/可编程锁相环路 (PLL) 电路采 • 多重开关频率 用一个多重开关频率选项来避免 AM 干扰;在实现此 – AM 干扰防止 功能的同时,还有一个主器件/从器件选项,这使得多 – 主器件/从器件同步 重器件同步成为可能。 – 高达...