TXG4021中文資料具有 1/1 配置的 ±40V、2 位固定方向接地電平轉(zhuǎn)換器數(shù)據(jù)手冊(cè)TI規(guī)格書(shū)

描述 Description

The TXG402x is a 2-bit, fixed direction, non-galvanic based voltage and ground-level translator that can support both logic-level shifting between 1.71V to 5.5V and ground-level shifting up to ±40V. Compared to traditional level shifters, the TXG402x family can solve the challenges of voltage translation across different ground levels. The Simplified Diagram shows a common use case where DC shift occurs between GNDA to GNDB due to parasitic resistance or capacitance.

VCCA is referenced to GNDA and VCCB is referenced to GNDB. Ax pins are referenced to VCCA logic level while Bx pins are referenced to VCCB logic levels. Both A port and B port can accept voltages from 1.71V to 5.5V. The leakage between GNDA and GNDB is <90nA when VCC to GND is shorted.

The TXG402x device helps improve noise immunity and power sequencing across different ground domains while providing low power consumption, latency and channel-to-channel skew. It can supress noise levels of 80VPP up to 5MHz (Figure 7-5). This device can support multiple interfaces such as UART, GPIO, and JTAG.

特性 Features

? Supports DC shifts up to ±40V
? CMTI of 1kV/μs
? Supports VCC disconnect feature (I/Os are forced into high-Z)
? Inputs with integrated static pull-down resistors prevent channels from floating
? Latch-up performance exceeds 100mA per JESD 78, class II
? 2500V human-body model
? Package options provided:
? DDF (SOT-8)
? D (SOIC-8)