TXB0108 - 具有自动方向感应和 +/-15kV ESD 保护的 8 位双向电压电平转换器

TXB0108是TI德州仪器公司的一款双向电压转换产品，TXB0108是具有自动方向感应和 +/-15kV ESD 保护的 8 位双向电压电平转换器，本站介绍了TXB0108的封装应用图解、特点和优点、功能等，并给出了与TXB0108相关的TI元器件型号供参考。

TXB0108 - 具有自动方向感应和 +/-15kV ESD 保护的 8 位双向电压电平转换器 - 双向电压转换 - 电压电平转换 - 德州仪器

产品特性

1.2 V to 3.6 V on A Port and 1.65 V to 5.5 V on B Port (VCCA≤VCCB)
VCC Isolation Feature – If Either VCC Input Is at GND, All Outputs Are in the High-Impedance State
OE Input Circuit Referenced to VCCA
Low Power Consumption, 4-μA Max ICC
Ioff Supports Partial-Power-Down Mode Operation
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds JESD 22
- A Port
  - 2000-V Human-Body Model (A114-B)
  - 1000-V Charged-Device Model (C101)
- B Port
  - ±15-kV Human-Body Model (A114-B)
  - ±8-kV Human-Body Model (A114-B) (YZP Package Only)
  - 1000-V Charged-Device Model (C101)

产品应用

Handset
Smartphone
Tablet
Desktop PC

产品说明

This 8-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes. VCCA should not exceed VCCB.

When the output-enable (OE) input is low, all outputs are placed in the high-impedance state.

The TXB0108 is designed so that the OE input circuit is supplied by VCCA.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

To ensure the high-impedance state during power-up or power-down, OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TXB0108	TVSOP (20)	5.00 mm x 4.40 mm
	SON (20)	2.00 mm x 4.00 mm
	BGA MICROSTAR JUNIOR (20)	2.50 mm x 3.00 mm
	TSSOP (20)	6.50 mm x 4.40 mm
	VQFN (20)	4.50 mm x 3.50 mm
	DSGBA (20)	1.90 mm x 2.40 mm

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