The Texas Instruments SN74LVC1G3157DCKR is a single-channel, single-pole double-throw SPDT (2:1) analog switch designed to handle both analog and digital signals. It operates from a 1.65V to 5.5V supply and supports bidirectional signals with amplitudes up to VCC, making it suitable for signal routing and multiplexing across a wide range of low-voltage systems.
The device features specified break-before-make switching and rail-to-rail signal handling. It provides a typical operating frequency of approximately 340MHz at room temperature and a typical ON-state resistance of approximately 6Ω at VCC = 4.5V, providing efficient signal switching for audio, communication, and general-purpose applications.
The SN74LVC1G3157DCKR comes in a compact 6-pin SC70 (DCK) surface-mount package with a nominal body size of approximately 2.00mm × 1.25mm. This orderable version operates over -40°C to +125°C and is supplied on tape and reel with 3,000 devices per reel.
Typical applications include wearables, mobile devices, portable computing, IoT systems, audio signal routing, home automation, wireless charging, and I²C, SPI, or UART bus multiplexing.
Key Features:
- Manufacturer: Texas Instruments
- Part Number: SN74LVC1G3157DCKR
- Family: 74LVC
- Device Type: Analog Switch / Multiplexer
- Switch Configuration: SPDT / 2:1
- Number of Channels: 1
- Signal Type: Analog and Digital
- Supply Voltage: 1.65V to 5.5V
- Signal Range: 0V to VCC
- Typical Operating Frequency: 340MHz
- Typical ON Resistance: Approx. 6Ω at VCC = 4.5V
- ON Resistance Over Signal Range: Up to 15Ω at VCC = 4.5V for DCK package
- Switching Type: Break-Before-Make
- Signal Direction: Bidirectional
- Rail-to-Rail Signal Handling: Yes
- Operating Temperature: -40°C to +125°C
- Package: SC70-6 / DCK
- Pin Count: 6
- Package Size: Approx. 2.00 × 1.25mm
- Mounting Type: Surface Mount
- Packaging: Tape & Reel
- Reel Quantity: 3,000 pcs
- RoHS Compliant: Yes
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