Overview
The TXB0104RGYR, produced by Texas Instruments, is a 4-bit bidirectional voltage-level translator designed for interfacing devices or systems operating at different interface voltages. This device features automatic direction sensing and robust ESD protection, making it versatile for various low-voltage translation applications. The TXB0104 uses two separate configurable power-supply rails, allowing it to translate between voltage nodes such as 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5 V.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| VCCA Range | 1.2 V to 3.6 V | Supply voltage range for A port |
| VCCB Range | 1.65 V to 5.5 V | Supply voltage range for B port |
| Maximum ICC | 5 μA | Low power consumption |
| ESD Protection (A Port) | 2500 V Human-Body Model, 1500 V Charged-Device Model | ESD protection levels for A port |
| ESD Protection (B Port) | ±15 kV Human-Body Model, 1500 V Charged-Device Model | ESD protection levels for B port |
| Operating Temperature Range | -40°C to 85°C | Temperature range for device operation |
| Package Type | VQFN (RGY) with 14 pins | Package type and pin count |
Key Features
- Automatic direction sensing for bidirectional translation
- VCC isolation feature: all outputs in high-impedance state if either VCC input is at GND
- Output enable (OE) input circuit referenced to VCCA
- Low power consumption with maximum ICC of 5 μA
- IOFF supports partial power-down mode operation
- Latch-up performance exceeds 100 mA per JESD 78, Class II
- Robust ESD protection: ±15 kV Human-Body Model and 1500 V Charged-Device Model
Applications
- Headsets
- Smartphones
- Tablets
- Desktop PCs
Q & A
- What is the primary function of the TXB0104RGYR?
The primary function of the TXB0104RGYR is to act as a 4-bit bidirectional voltage-level translator, enabling communication between devices operating at different voltage levels.
- What are the voltage ranges for the A and B ports of the TXB0104RGYR?
The A port operates from 1.2 V to 3.6 V, and the B port operates from 1.65 V to 5.5 V.
- What is the maximum power consumption of the TXB0104RGYR?
The maximum power consumption (ICC) is 5 μA.
- What kind of ESD protection does the TXB0104RGYR offer?
The device offers ±15 kV Human-Body Model and 1500 V Charged-Device Model ESD protection.
- What is the operating temperature range of the TXB0104RGYR?
The operating temperature range is -40°C to 85°C.
- What package types are available for the TXB0104RGYR?
The device is available in a VQFN (RGY) package with 14 pins.
- How does the VCC isolation feature work?
If either VCC input is at GND, all outputs are placed in the high-impedance state.
- What is the purpose of the output enable (OE) input?
The OE input, referenced to VCCA, allows all outputs to be placed in the high-impedance state when it is low.
- Does the TXB0104RGYR support partial power-down mode?
Yes, the device supports partial power-down mode operation using IOFF circuitry.
- In what types of devices is the TXB0104RGYR commonly used?
The TXB0104RGYR is commonly used in headsets, smartphones, tablets, and desktop PCs.
