- 制造厂商：TI
- 产品类别：音频
- 技术类目：音频放大器 - 扬声器放大器
- 功能描述：带硬件控制功能的 20W 立体声、0V 至 21V 电源电压、数字输入、开环 D 类音频放大器
- 点击这里打开及下载TAS5701的技术文档资料
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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.
- 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
- Audio input type
- Digital Input
- Architecture
- Class-D
- Speaker channels (Max)
- Stereo
- Power stage supply (Max) (V)
- 21
- Power stage supply (Min) (V)
- 10
- Load (Min) (ohms)
- 6
- Output power (W)
- 20
- SNR (dB)
- 100
- THD + N @ 1 kHz (%)
- 0.05
- Iq (Typ) (mA)
- 30
- Control interface
- Hardware
- Closed/open loop
- Open
- Analog supply (Min) (V)
- 3
- Analog supply (Max) (V)
- 3.6
- Sampling rate (Max) (kHz)
- 192
- PSRR (dB)
- 60
- Operating temperature range (C)
- 0 to 85
TAS5701的完整型号有：TAS5701PAP、TAS5701PAP-P、TAS5701PAPR，以下是这些产品的关键参数及官网采购报价：
TAS5701PAP，工作温度：0 to 85，封装：HTQFP (PAP)-64，包装数量MPQ：160个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网TAS5701PAP的批量USD价格：5.82（1000+）
TAS5701PAP-P，工作温度：PropertyValue，封装：HTQFP (PAP)-64，包装数量MPQ：160个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网TAS5701PAP-P的批量USD价格：USD（1000+）
TAS5701PAPR，工作温度：0 to 85，封装：HTQFP (PAP)-64，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网TAS5701PAPR的批量USD价格：4.85（1000+）
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