TS3USBA225 - DP3T USB 2.0 高速 (480Mbps) 音频开关

TS3USBA225是TI德州仪器公司的一款USB/MHL开关产品，TS3USBA225是DP3T USB 2.0 高速 (480Mbps) 音频开关，本站介绍了TS3USBA225的封装应用图解、特点和优点、功能等，并给出了与TS3USBA225相关的TI元器件型号供参考。

TS3USBA225 - DP3T USB 2.0 高速 (480Mbps) 音频开关 - USB/MHL开关 - USB - 德州仪器

产品描述

The TS3USBA225 is a 2-channel single-pole triple-throw (SP3T) multiplexer that supports USB 2.0 High-Speed (480 Mbps) signals in all 3 differential channels. The first two high-speed differential channels also support Mobile High Definition Link (MHL) signaling with resolution and video frame rates up to 720p, 60 fps and 1080i, 30 fps. The remaining differential channel can also be used as an audio switch that is designed to allow analog audio signals to swing negatively. This configuration allows the system designer to use a common connector for audio and USB 2.0 or MHL data.

The TS3USBA225 has a VCC range of 2.7 V to 5.0 V with the capability to pass true-ground audio signals down to –1.8 V. The device also supports a power-down mode that can be enabled when both SEL1 and SEL2 controls are low to minimize current consumption when no signal is transmitting. The TS3USBA225 also features internal shunt resistors on the audio path to reduce clicks and pops that may be heard when the audio switches are selected.

产品特性

2.7-V to 5.0-V Operating Power Supply (VCC)
MHL/High-Speed USB (480 Mbps) Switch:
- V I/O Accepts Signals up to 4.5 V (Independent of VCC)
- 6.5 ? rON Typical
- 3 pF CON Typical
- 1.9 GHz Bandwidth (–3 dB)
Audio Switch:
- 2.5 ? rON Typical
- Negative Rail Capability down to –1.8 V
- Low THD: < 0.05%
- Internal Shunt Resistors for Click-and-Pop Reduction
1.8-V Compatible Control Input (SEL1 and SEL2) Threshold
Minimized Current Consumption (~5 µA) in Power-Down Mode
Power-Off Protection: All I/O Pins are High-Z when VCC= 0 V
12-Pin QFN Package (2 mm × 1.7 mm, 0.4 mm Pitch)
ESD Performance Tested per JESD 22
- 2000 V Human-Body Model (A114-B, Class II)
- 1000 V Charged-Device Model (C101)

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