Overview
The SN74LVC1G3157DBVRG4, produced by Texas Instruments, is a single-channel single-pole double-throw (SPDT) analog switch. This device is designed to operate within a voltage range of 1.65 V to 5.5 V, making it versatile for various applications. It can handle both analog and digital signals, allowing signal amplitudes up to VCC (peak) to be transmitted in either direction. The device is particularly useful in signal gating, chopping, modulation or demodulation, and signal multiplexing for analog-to-digital and digital-to-analog conversion systems.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| VCC Supply Voltage | 1.65 | 5.5 | V |
| VI/O Switch Input or Output Voltage | 0 | VCC | V |
| VIN Control Input Voltage | 0 | 5.5 | V |
| VIH High-Level Input Voltage | VCC × 0.75 (for VCC = 1.65 V to 1.95 V) | VCC × 0.7 (for VCC = 2.3 V to 5.5 V) | V |
| VIL Low-Level Input Voltage | VCC × 0.25 (for VCC = 1.65 V to 1.95 V) | VCC × 0.3 (for VCC = 2.3 V to 5.5 V) | V |
| Operating Free-Air Temperature | -40 | 125 | °C |
| ON-State Switch Resistance (ron) | 11 | 20 | Ω |
| ESD Protection (Human Body Model) | ±2000 | V | |
| ESD Protection (Charged-Device Model) | ±1000 | V |
Key Features
- Single-channel single-pole double-throw (SPDT) analog switch
- Operates within a voltage range of 1.65 V to 5.5 V
- Handles both analog and digital signals
- ESD protection exceeds JESD 22 standards: 2000-V Human Body Model and 1000-V Charged-Device Model
- Low ON-state switch resistance (ron) of 11 Ω to 20 Ω
- High frequency response up to 340 MHz
- 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 Unit
- Portable Medical Equipment
- Surveillance
- Home Automation
- I2C/SPI/UART Bus Multiplexing
- Wireless Charging
Q & A
- What is the voltage range for the SN74LVC1G3157DBVRG4?
The device operates within a voltage range of 1.65 V to 5.5 V.
- What types of signals can the SN74LVC1G3157DBVRG4 handle?
The device can handle both analog and digital signals.
- What is the ESD protection level of the SN74LVC1G3157DBVRG4?
The device has ESD protection exceeding JESD 22 standards: 2000-V Human Body Model and 1000-V Charged-Device Model.
- What is the typical ON-state switch resistance (ron) of the SN74LVC1G3157DBVRG4?
The typical ON-state switch resistance (ron) is between 11 Ω and 20 Ω.
- What are some common applications of the SN74LVC1G3157DBVRG4?
Common applications include wearables, portable computing, IoT, audio signal routing, remote radio units, portable medical equipment, surveillance, home automation, I2C/SPI/UART bus multiplexing, and wireless charging.
- What is the operating temperature range for the SN74LVC1G3157DBVRG4?
The operating free-air temperature range is from -40°C to 125°C.
- What is the frequency response of the SN74LVC1G3157DBVRG4?
The device has a frequency response up to 340 MHz.
- Does the SN74LVC1G3157DBVRG4 have latch-up protection?
Yes, the device has latch-up performance that exceeds 100 mA per JESD 78, Class II.
- What are the available package types for the SN74LVC1G3157DBVRG4?
The device is available in several package types including SOT-23 (DBV), SC70 (DCK), SOT (DRL), SON (DRY), DSBGA (YZP), SON (DSF), and X2SON (DTB).
- How do I ensure proper device operation for unused inputs?
All unused inputs of the device must be held at VCC or GND to ensure proper device operation.
