Overview
The TS3A44159 is a quad single-pole double-throw (SPDT) analog switch produced by Texas Instruments. This device is designed to operate from 1.65 V to 4.3 V and is known for its low ON-state resistance and excellent ON-state resistance matching. It features a break-before-make switching mechanism, which prevents signal distortion during channel switching. The TS3A44159 is suitable for a variety of applications, including portable audio, low-voltage data-acquisition systems, and communication circuits.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | -0.5 | 4.6 | V | |
| Analog Voltage (VNC, VNO, VCOM) | -0.5 | VCC + 0.5 | V | |
| ON-State Resistance (Ron) | <0.5 | Ω | ||
| Turn-On Time (tON) | 20-75 | ns | ||
| Turn-Off Time (tOFF) | 14-50 | ns | ||
| Break-Before-Make Time (tBBM) | 2-11 | ns | ||
| Total Harmonic Distortion (THD) | 0.1% | % | ||
| ESD Performance | ±2000 V (Human-Body Model) | V | ||
| Package Options | TSSOP (16), VQFN (16), UQFN (16) |
Key Features
- Specified Break-Before-Make Switching to prevent signal distortion.
- Low ON-State Resistance (<0.5 Ω) and excellent ON-State Resistance Matching.
- Control Inputs Are 1.8-V Logic Compatible.
- Low Charge Injection and Total Harmonic Distortion (THD).
- 1.65-V to 4.3-V Single-Supply Operation.
- Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II.
- ESD Performance Tested Per JESD 22 – ±2000-V Human-Body Model.
Applications
- Cell Phones
- PDAs
- Portable Instrumentation
- Audio and Video Signal Routing
- Low-Voltage Data-Acquisition Systems
- Communication Circuits
- Modems
- Hard Drives
- Computer Peripherals
- Wireless Pins and Peripherals
Q & A
- What is the operating voltage range of the TS3A44159?
The TS3A44159 operates from 1.65 V to 4.3 V.
- What is the typical ON-state resistance of the TS3A44159?
The typical ON-state resistance is less than 0.5 Ω.
- What is the break-before-make time of the TS3A44159?
The break-before-make time is typically between 2 ns and 11 ns.
- What are the package options available for the TS3A44159?
The device is available in TSSOP (16), VQFN (16), and UQFN (16) packages.
- What is the ESD performance of the TS3A44159?
The device has an ESD performance of ±2000 V according to the Human-Body Model.
- What are some common applications of the TS3A44159?
Common applications include cell phones, PDAs, portable instrumentation, audio and video signal routing, and low-voltage data-acquisition systems.
- How does the TS3A44159 handle unused digital inputs?
Unused digital inputs must be held at VCC or GND to ensure proper device operation.
- What is the total harmonic distortion (THD) performance of the TS3A44159?
The total harmonic distortion is typically 0.1%.
- Does the TS3A44159 require external components to operate?
The device can operate without external components, but TI recommends connecting unused pins to ground through a 50-Ω resistor.
- What is the latch-up performance of the TS3A44159?
The latch-up performance exceeds 100 mA per JESD 78, Class II.
