TAS5701 20W 立体声数字音频功率放大器（硬件控制）

The TAS5701 is a 20-W efficient, digital audio power amplifier for driving stereo bridge-tied speakers. Two serial data inputs support up to 3 discrete audio channels. The SDIN1 input is routed to the internal left and right outputs. The SDIN2 input is dedicated to the SUB_PWM± outputs.

The TAS5701 is a clock slave-only device receiving clocks from external sources. The TAS5701 operates at a 384-kHz switching rate for 32-, 48-, 96-, and 192-kHz data and 352.8-kHz switching rate 44.1-,88.2-, and 176.4-kHz data. The 8× oversampling combined with the fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz

	TAS5701
Max. Power to Bridge Tied Load	35
Max. Power to Parallel Bridge Tied Load	53
Min. Supported Bridge Tied Load	6
Min. Supported Parallel Bridge Tied Load	3.2
Closed/Open Loop	Open
Max. Number of Speaker Outputs	2
Input Type	Digital
Control Type	Hardware
Analog Supply Min [V]	3
Analog Supply Max [V]	3.6
Digital Supply Min [V]	3
Power Stage Supply Min (V)	10
Power Stage Supply Max (V)	21

TAS5701 特性

Audio Input/Output
- 20-W Into an 8- Load From an 18-V Supply
- Wide PVDD Range (0 V to 21 V)
- Efficient Class-D Operation Eliminates Need for Heat Sinks
- Two Serial Audio Inputs (3 Audio channels)
- Supports 32-kHz to 192-kHz Sample Rates (LJ/RJ/I2S)
- Line-Level Subwoofer PWM Outputs
Audio/PWM Processing
- BD (Filter-free) Modulation Supporting Bridge-Tied Loads ONLY
- 4-Step Volume Control (0 dB, 6 dB, 12 dB, 18 dB) – All Channels Share Same Control
- Soft Mute (50% Duty Cycle)
- DC Blocking Filters
- Fixed Maximum Modulation Limit At 97.7%
- ≥100-dB SNR – Measured at Maximum Output With THD+N = 1%, 1 kHz, A-Weighted Noise, Gain = 0 dB
- THD < 0.1% at 1/2 Rated Power
General Features
- 5-V Tolerant Inputs (See pin list for details on which inputs are 5-V tolerant)
- Shutdown Mode for Low Power Consumption
- Thermal and Short-Circuit Protection
- Autodetect: Automatically Detect Sample-Rate Changes – No Need for External Microprocessor Intervention

TAS5701 芯片订购指南

器件	状态	温度	价格（美元）	封装 \| 引脚	封装数量 \| 封装载体	丝印标记
TAS5701PAP	ACTIVE	0 to 85	2.95 \| 1ku	HTQFP (PAP) \| 64	160 \| JEDEC TRAY (5+1)
TAS5701PAPG4	ACTIVE	0 to 85	2.95 \| 1ku	HTQFP (PAP) \| 64	160 \| JEDEC TRAY (5+1)
TAS5701PAPR	ACTIVE	0 to 85	2.45 \| 1ku	HTQFP (PAP) \| 64	1000 \| LARGE T&R
TAS5701PAPRG4	ACTIVE	0 to 85	2.45 \| 1ku	HTQFP (PAP) \| 64	1000 \| LARGE T&R

TAS5701 质量与无铅数据

器件	环保计划*	铅/焊球涂层	MSL 等级/回流焊峰	环保信息与无铅 (Pb-free)	DPPM / MTBF / FIT 率
TAS5701PAP	Green (RoHS & no Sb/Br)	NIPDAU	TAS5701PAP	TAS5701PAP	TAS5701DKD
TAS5701PAPG4	Green (RoHS & no Sb/Br)	NIPDAU	TAS5701PAPG4	TAS5701PAPG4	TAS5701DKDR
TAS5701PAPR	Green (RoHS & no Sb/Br)	CU NIPDAU	TAS5701PAPR	TAS5701PAPR	TAS5701PHD
TAS5701PAPRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	TAS5701PAPRG4	TAS5701PAPRG4	TAS5701PHDR

TAS5701 工具与软件

培训内容	型号	软件/工具类型
音频的快速搜索选择工具	AUDIO_SELECTION_TOOL	免费评估工具
TAS5701DKD2 评估模块	TAS5701DKD2EVM	开发电路板/EVM
TAS5701PHD 评估模块	TAS5701PHD2EVM	开发电路板/EVM