Ultrasonic Signal Processor and Transducer Driver

文件：1.57233 Mbytes 页数：114 Pages

TI

德州仪器

丝印：PGA460；Package：TSSOP(PW)；PGA460 Ultrasonic Signal Processor and Transducer Driver

1 Features • Fully integrated solution for ultrasonic sensing • Complimentary low-side drivers with configurable current limit supporting both transformer based and direct drive topology for transducer excitation • Single transducer for both burst/listen or a transducer pair, one for burst a

文件：2.25676 Mbytes 页数：118 Pages

TI

德州仪器

丝印：PGA460；Package：TSSOP(PW)；PGA460 Ultrasonic Signal Processor and Transducer Driver

1 Features • Fully integrated solution for ultrasonic sensing • Complimentary low-side drivers with configurable current limit supporting both transformer based and direct drive topology for transducer excitation • Single transducer for both burst/listen or a transducer pair, one for burst a

文件：2.25676 Mbytes 页数：118 Pages

TI

德州仪器

丝印：PGA460；Package：TSSOP(PW)；PGA460 Ultrasonic Signal Processor and Transducer Driver

1 Features • Fully integrated solution for ultrasonic sensing • Complimentary low-side drivers with configurable current limit supporting both transformer based and direct drive topology for transducer excitation • Single transducer for both burst/listen or a transducer pair, one for burst a

文件：2.25676 Mbytes 页数：118 Pages

TI

德州仪器

丝印：PGA460；Package：TSSOP(PW)；PGA460 Ultrasonic Signal Processor and Transducer Driver

1 Features • Fully integrated solution for ultrasonic sensing • Complimentary low-side drivers with configurable current limit supporting both transformer based and direct drive topology for transducer excitation • Single transducer for both burst/listen or a transducer pair, one for burst a

文件：2.25676 Mbytes 页数：118 Pages

TI

德州仪器

丝印：PGA460；Package：TSSOP(PW)；PGA460 Ultrasonic Signal Processor and Transducer Driver

1 Features • Fully integrated solution for ultrasonic sensing • Complimentary low-side drivers with configurable current limit supporting both transformer based and direct drive topology for transducer excitation • Single transducer for both burst/listen or a transducer pair, one for burst a

文件：2.25676 Mbytes 页数：118 Pages

TI

德州仪器

丝印：PGA460；Package：TSSOP(PW)；PGA460 Ultrasonic Signal Processor and Transducer Driver

1 Features • Fully integrated solution for ultrasonic sensing • Complimentary low-side drivers with configurable current limit supporting both transformer based and direct drive topology for transducer excitation • Single transducer for both burst/listen or a transducer pair, one for burst a

文件：2.25676 Mbytes 页数：118 Pages

TI

德州仪器

超声波信号处理器和传感器驱动器

该PGA460设备是高度集成的片上系统超声波变送器驱动器和信号调节器，配备先进的 DSP 内核。该设备具有一个互补低侧驱动器对，可以在基于变压器的拓扑中使用升压变压器驱动变送器，或在直接驱动拓扑中使用外部高侧 FET 驱动变送器。该设备可以接收和调节反射的回波信号，以实现物体的可靠检测。此功能是使用包含一个低噪声放大器以及一个馈送到 ADC 的可编程时变增益级模拟前端 (AFE) 实现的。使用时变阈值在 DSP 内核中处理数字化信号，以实现近场和远场物体检测。 \n\n与外部控制器的主要通信将通过 IO 引脚上的时间指令接口 (TCI) 或 1 线 USART 异步接口，或者 RXD 和 TX • 适用于超声波传感的完全集成式解决方案\n• 带可配置电流限制的互补低侧驱动器，支持适用于变送器励磁的基于变压器的拓扑和直接驱动拓扑\n• 适用于突发/侦听的单一变送器，或一个变送器对，一个适用于突发，另一个适用于侦听操作\n• 可编程 6 点时变增益（32 到 90 dB）低噪声接收器，带用于回波包络检测的 DSP（BPF，解调）\n• 12 点时变阈值的两个预设，适用于物体检测\n• 用于测量多回声距离和时长的计时器 \n• 集成温度传感器\n• 适用于最远距离达 11 米的物体检测的记录时间\n• 用于回声录制的 128 字节 RAM\n• 用于存储快速初始化配置的 42 字节用户 E;

TI

德州仪器

Automotive Ultrasonic Signal Processor and Transducer Driver

文件：1.033579 Mbytes 页数：112 Pages

TI

德州仪器

Ultrasonic Signal Processor and Transducer Driver

文件：1.57233 Mbytes 页数：114 Pages

TI

德州仪器