Overview
The SN74LVC1G3157DRY2 is a single-pole double-throw (SPDT) analog switch produced by Texas Instruments. This device is designed for operation over a wide voltage range of 1.65 V to 5.5 V, making it versatile for various applications. It is part of the LVC (Low-Voltage CMOS) family, known for its high speed and low power consumption. The SN74LVC1G3157 can handle both analog and digital signals, and it is qualified for operation up to 125°C, ensuring reliability in demanding environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 1.65 | - | 5.5 | V |
| VI/O Switch I/O Voltage | 0 | - | VCC + 0.5 | V |
| ON-state Switch Resistance (ron) | 11 | 20 | 20 | Ω |
| ON-state Switch Leakage Current (IS(on)) | - | ±1 | ±1 | µA |
| Control Input Current (IIN) | - | ±1 | ±1 | µA |
| Supply Current (ICC) | - | 1 | 10 | µA |
| Operating Frequency | - | 340 | - | MHz |
| Propagation Delay (tpd) | 0.3 | - | 2 | ns |
| ESD Protection (Human Body Model) | - | ±2000 | - | V |
| ESD Protection (Charged-Device Model) | - | ±1000 | - | V |
Key Features
- ESD protection exceeds JESD 22 standards: 2000-V Human Body Model and 1000-V Charged-Device Model.
- Wide operating voltage range: 1.65 V to 5.5 V.
- Qualified for operation up to 125°C.
- Specified break-before-make switching.
- Rail-to-rail signal handling.
- High speed: typically 0.5 ns propagation delay at VCC = 3 V and CL = 50 pF.
- Low ON-state resistance: typically around 6 Ω at VCC = 4.5 V.
- Latch-up performance exceeds 100 mA per JESD 78, Class II.
Applications
- Wearables and mobile devices.
- Portable computing.
- Internet of Things (IoT).
- Audio signal routing.
- Remote radio units.
- Portable medical equipment.
- Surveillance.
- Home automation.
- I2C/SPI/UART bus multiplexing.
- Wireless charging.
Q & A
- What is the operating voltage range of the SN74LVC1G3157?
The operating voltage range is from 1.65 V to 5.5 V.
- What is the maximum operating temperature for this device?
The device is qualified for operation up to 125°C.
- What type of ESD protection does the SN74LVC1G3157 offer?
It offers ESD protection exceeding JESD 22 standards: 2000-V Human Body Model and 1000-V Charged-Device Model.
- What is the typical propagation delay of the SN74LVC1G3157?
The typical propagation delay is around 0.5 ns at VCC = 3 V and CL = 50 pF.
- What is the typical ON-state resistance of the SN74LVC1G3157?
The typical ON-state resistance is around 6 Ω at VCC = 4.5 V.
- What are some common applications of the SN74LVC1G3157?
Common applications include wearables, mobile devices, portable computing, IoT, audio signal routing, and more.
- Does the SN74LVC1G3157 support rail-to-rail signal handling?
Yes, it supports rail-to-rail signal handling.
- What is the latch-up performance of the SN74LVC1G3157?
The latch-up performance exceeds 100 mA per JESD 78, Class II.
- What types of signals can the SN74LVC1G3157 handle?
The device can handle both analog and digital signals.
- What is the typical operating frequency of the SN74LVC1G3157?
The typical operating frequency is around 340 MHz at room temperature.
