- 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：具有 I/V 感应扬声器保护和集成 13V H 类升压的 7W 数字输入智能放大器
- 点击这里打开及下载TAS2564的技术文档资料
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The TAS2564 is a digital input, Class-D audio amplifier with a 256 level, 13 V Class-H boost. The robust 13 V Class-H boost provides the power needed for peak output while the algorithmically-controlled 256 level boost reduces the average power consumption. The boost is easily configured with PurePath Console GUI.
The Class-D amplifier is capable of delivering 7 W of peak power into an 8 Ω. TAS2564 is 83.5% efficient at 1 W output level. Integrated speaker voltage and current sense provides real time monitoring to keep speakers in the safe operation area.
Battery tracking peak voltage limiter with brown-out prevention optimizes amplifier headroom over the entire battery discharge. Up to four devices can share a common bus via I2S/TDM + I 2C interfaces.
- Key Features
- 256 Level, 13-V Class-H Boost
- Speaker Current and Voltage Sense
- Inter Chip Alignment (ICLA) of gain across devices.
- Output Power
- 7-W 0.1% THD+N (8 Ω at 3.8 V)
- Power Consumption (1% THD+N, 4.2 V into 8 Ω)
- 83.5% efficiency at 1 W
- <1uA HW shutdown VBAT Current
- Power Supplies
- VBAT: 2.7 V to 5.5 V
- VDD: 1.65 V to 1.95 V
- Digital (1.5 V) is internally generated from VDD.
- IO and Analog supplies are internally shorted to VDD.
- Protections
- Battery: Advanced Brown Out
- Clipping: VBAT Tracking Peak Voltage Limiter
- Transducer: DC Detection and Prevention
- Device: Thermal and Over Current Protection
- Interfaces and Control
- I2S/TDM: 8 Channels of 32 bit each up to 96 KSPS
- I2C: 4 selectable addresses
- 16 KSPS to 192 KSPS Sample Rates
- MCLK Free operation
- Performance
- Speaker/Receiver Mode with Dynamic Noise Control of Idle Channel Noise (ICN)
- Receiver Mode: 10 μVrms ICN
- Speaker Mode: 15 μVrms ICN
- Spread Spectrum Low EMI Mode
- 110 dB SNR at 1% THD+N(8Ω)
- Audio input type
- Digital Input
- Architecture
- Class-D Boosted, Smart Amp
- Speaker channels (Max)
- Mono
- Power stage supply (Max) (V)
- 16
- Power stage supply (Min) (V)
- 2.7
- Load (Min) (ohms)
- 6.4
- Output power (W)
- 7
- SNR (dB)
- 110
- THD + N @ 1 kHz (%)
- 0.01
- Iq (Typ) (mA)
- 11.6
- Control interface
- I2C
- Closed/open loop
- Closed
- Analog supply (Min) (V)
- 2.7
- Analog supply (Max) (V)
- 5.5
- PSRR (dB)
- 108
- Operating temperature range (C)
- -40 to 85
TAS2564的完整型号有：TAS2564YBGR、TAS2564YBGT，以下是这些产品的关键参数及官网采购报价：
TAS2564YBGR，工作温度：-40 to 85，封装：DSBGA (YBG)-36，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SNAGCU，TI官网TAS2564YBGR的批量USD价格：1.029（1000+）
TAS2564YBGT，工作温度：-40 to 85，封装：DSBGA (YBG)-36，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SNAGCU，TI官网TAS2564YBGT的批量USD价格：1.234（1000+）
PP-SALB2-EVM — PP-SALB2-EVM 智能放大器扬声器特性板评估模块（学习板 2）
该板支持：TAS2555YZEVM、TAS2557EVM 和 TAS2559EVM。
智能放大器扬声器特性评估板与支持的 TI 智能放大器和 PurePath 控制台软件一起使用时，可让用户测量扬声器与 TI 智能放大器产品结合使用时的偏移、温度及其他参数。整个解决方案通过一套易于使用和循序渐进的流程来指导您完成整个扬声器特性评估过程。一旦特性评估完成，扬声器参数随后将自动载入到 PurePath 控制台中，以便开始进行精细调优以实现最佳音质及扬声器保护。
PPC3-EVM-MB — 适用于智能放大器子卡的 PPC3-EVM-MB 主板评估模块
As a motherboard for smart amp solutions, this EVM allows for a modular approach to TI's low power audio/haptics portfolio. Enabled with each product's respective daughter card, the designer can evaluate their application and assess a wider range of possible solutions. Can moderate between (...)TAS2564YBGEVM-DC — 具有 I/V 感应子卡的 TAS2564 7W 智能放大器评估模块（需要主板）
Designed to be used in junction with the PPC3-EVM-MB. this daughter card evaluation module provides the designer with the tools to integrate our smart amp portfolio into their application. This EVM provides both mono and stereo solutions with the ability to enable/disable IV Sense. Incorporated (...)PUREPATHCONSOLE — 适用于音频系统设计和开发的 PurePath 控制台图形开发套件
PurePath 控制台是一个高度集成且易于使用的音频开发套件，专门用于简化与音频产品开发相关的评估、配置和调试过程。观看视频，了解如何轻松使用 PurePath Console 3 软件。PurePath 控制台的直观图形界面使音频设计非常直接，因为无需高级音频设计专业知识。以缩短生产开发时间为目的的易用图形界面中提供了许多 PurePath 控制台高级控制功能，这些功能有助于实现高度优化的音频性能、超低功耗和无缝系统集成。
支持的器件：
PurePath Console 1：PCM5142、TAS5721、TAS5729MD、TAS5731 和 TAS5760xx
(...)
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