Overview
The SN74LVC1G3157DCK3 is a single channel single-pole double-throw (SPDT) analog switch produced by Texas Instruments. This device is designed to operate within a voltage range of 1.65 V to 5.5 V and is suitable for handling both analog and digital signals. It features specified break-before-make switching, rail-to-rail signal handling, and high-speed operation, making it versatile for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 1.65 | 5.5 | V | |
| Operating Temperature Range | -40 | 125 | °C | |
| 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 | |
| Switching Time (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: 2000-V Human Body Model (A114-A) and 1000-V Charged-Device Model (C101).
- Operates over a wide voltage range of 1.65 V to 5.5 V.
- Qualified for 125°C operation.
- Specified break-before-make switching and rail-to-rail signal handling.
- High-speed operation: typically 0.5 ns (VCC = 3 V, CL = 50 pF).
- Low ON-state resistance: typically ≈6 Ω (VCC = 4.5 V).
- Latch-up performance exceeds 100 mA per JESD 78, class II.
- Operating frequency typically 340 MHz at room temperature.
Applications
- Signal gating, chopping, modulation or demodulation (modem), and signal multiplexing for analog-to-digital and digital-to-analog conversion systems.
- Wearables and mobile devices.
- Portable computing.
- Internet of Things (IoT).
- Audio signal routing.
- Remote radio units.
- Portable medical equipment.
- Surveillance and home automation.
- I2C/SPI/UART bus multiplexing.
- Wireless charging.
Q & A
- What is the operating voltage range of the SN74LVC1G3157DCK3? The operating voltage range is 1.65 V to 5.5 V.
- What is the typical ON-state switch resistance of the SN74LVC1G3157DCK3? The typical ON-state switch resistance is approximately 6 Ω at VCC = 4.5 V.
- What is the maximum operating temperature of the SN74LVC1G3157DCK3? The maximum operating temperature is 125°C.
- Does the SN74LVC1G3157DCK3 have ESD protection? Yes, it exceeds JESD 22 with 2000-V Human Body Model and 1000-V Charged-Device Model protection.
- What is the typical switching time of the SN74LVC1G3157DCK3? The typical switching time (tpd) is 0.5 ns at VCC = 3 V and CL = 50 pF.
- What are some common applications of the SN74LVC1G3157DCK3? Applications include signal gating, IoT devices, audio signal routing, and I2C/SPI/UART bus multiplexing.
- What is the package type of the SN74LVC1G3157DCK3? The package type is SC70 (DCK) with 6 pins.
- Does the SN74LVC1G3157DCK3 support rail-to-rail signal handling? Yes, it supports rail-to-rail signal handling.
- What is the operating frequency of the SN74LVC1G3157DCK3 at room temperature? The operating frequency is typically 340 MHz at room temperature.
- Is the SN74LVC1G3157DCK3 suitable for high-speed applications? Yes, it is designed for high-speed applications with a switching time of typically 0.5 ns.
