TAS5424A - 4 通道汽车数字放大器

TAS5424A是TI德州仪器公司的一款无产品，TAS5424A是4 通道汽车数字放大器，本站介绍了TAS5424A的封装应用图解、特点和优点、功能等，并给出了与TAS5424A相关的TI元器件型号供参考。

TAS5424A - 4 通道汽车数字放大器 - 无 - 中/高功率D类放大器 - 德州仪器

产品描述

The TAS5414A and TAS5424A are four-channel digital audio amplifiers designed for use in automotive head units and external amplifier modules. The TAS5414A and TAS5424A provide four channels at 23 W continuously into 4 Ω at less than 1% THD+N from a 14.4-V supply. Each channel can also deliver 38 W into 2 Ω at 1% THD+N. The TAS5414A uses single-ended analog inputs, while the TAS5424A employs differential inputs for increased immunity to common-mode system noise. The digital PWM topology of the TAS5414A and TAS5424A provides dramatic improvements in efficiency over traditional linear amplifier solutions. This reduces the power dissipated by the amplifier by a factor of ten under typical music playback conditions. The TAS5414A and TAS5424A incorporate all the functionality needed to perform in the demanding OEM applications area. They have built-in load diagnostic functions for detecting and diagnosing misconnected outputs to help to reduce test time during the manufacturing process.

产品特性

TAS5414A – Single-Ended Input
TAS5424A – Differential Input
Four-Channel Digital Power Amplifier
Four Analog Inputs, Four BTL Power Outputs
Typical Output Power per Channel at 10% THD+N
- 28 W/Ch Into 4 Ω at 14.4 Vdc
- 45 W/Ch Into 2 Ω at 14.4 Vdc
- 58 W/Ch Into 4 Ω at 21 Vdc
- 116 W/Ch Into 2 Ω at 21 Vdc PBTL
Channels Can Be Paralleled (PBTL) for 1-Ω Applications
THD+N < 0.02%, 1 kHz, 1 W Into 4 Ω
Patented Pop- and Click-Reduction Technology
- Soft Muting With Gain Ramp Control
- Common-Mode Ramping
Patented AM Interference Avoidance
Patented Cycle-by-Cycle Current Limit
75-dB PSRR
Four-Address I2C Serial Interface for Device Configuration and Control
Channel Gains: 12-dB, 20-dB, 26-dB, 32-dB
Load Diagnostic Functions:
- Output Open and Shorted Load
- Output-to-Power and -to-Ground Shorts
- Patented Tweeter Detection
Protection and Monitoring Functions:
- Short-Circuit Protection
- Load-Dump Protection to 50 V
- Fortuitous Open Ground and Power Tolerant
- Patented Output DC Level Detection While Music Playing
- Overtemperature Protection
- Over- and Undervoltage Conditions
- Clip Detection
36-Pin PSOP3 (DKD) Power SOP Package With Heat Slug Up for the TAS5414A
44-Pin PSOP3 (DKD) Power SOP Package With Heat Slug Up for the TAS5424A
64-Pin QFP (PHD) Power Package With Heat Slug Up for TAS5414A
Designed for Automotive EMC Requirements
Qualified According to AEC-Q100
ISO9000:2002 TS16949 Certified
–40°C to 105°C Ambient Temperature Range

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