Overview
The SN74LVC1G66, produced by Texas Instruments, is a single bilateral analog switch designed for operation within a wide voltage range of 1.65 V to 5.5 V. This device is capable of handling both analog and digital signals, allowing for bidirectional transmission of signals with amplitudes up to 5.5 V (peak). The SN74LVC1G66 features Texas Instruments' NanoFree package technology, which uses the die as the package, enabling significant space savings on the board. The device is highly versatile and can be used in various applications requiring solid-state, voltage-controlled switching.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC Supply Voltage | 1.65 | 5.5 | V | ||
| VI Input Voltage | -0.5 | 6.5 | V | ||
| VI/O Switch I/O Voltage | -0.5 | VCC + 0.5 | V | ||
| Propagation Delay Time (tpd) | VCC = 3.3 V, CL = 50 pF | 0.8 | ns | ||
| ON-State Resistance (ron) | VCC = 4.5 V, IS = 32 mA | 5.5 | 10 | Ω | |
| Operating Free-Air Temperature (TA) | -40 | 85 | °C | ||
| ESD Protection | Human-Body Model | 2000 | V | ||
| ESD Protection | Machine Model | 200 | V | ||
| ESD Protection | Charged-Device Model | 1000 | V |
Key Features
- 1.65-V to 5.5-V VCC operation
- Inputs accept voltages up to 5.5 V
- High speed, typically 0.5 ns (VCC = 3 V, CL = 50 pF)
- Low ON-state resistance, typically ≈5.5 Ω (VCC = 4.5 V)
- High degree of linearity
- High on-off output voltage ratio
- Latch-up performance exceeds 100 mA per JESD 78, Class II
- ESD protection exceeds JESD 22 standards
- NanoFree package technology for reduced board space
- Control input is 5.5-V tolerant, allowing higher-voltage logic interface
Applications
- Wireless devices
- Audio and video signal routing
- Portable computing
- Wearable devices
- Signal gating, chopping, modulation, or demodulation (modem)
- Signal multiplexing for analog-to-digital and digital-to-analog conversion systems
Q & A
- What is the operating voltage range of the SN74LVC1G66?
The SN74LVC1G66 operates within a voltage range of 1.65 V to 5.5 V.
- What is the maximum propagation delay time of the SN74LVC1G66 at 3.3 V?
The maximum propagation delay time is 0.8 ns at 3.3 V with a load capacitance of 50 pF.
- What is the typical ON-state resistance of the SN74LVC1G66 at 4.5 V?
The typical ON-state resistance is approximately 5.5 Ω at 4.5 V with an input current of 32 mA.
- What are the ESD protection ratings for the SN74LVC1G66?
The device has ESD protection exceeding 2000 V for the Human-Body Model, 200 V for the Machine Model, and 1000 V for the Charged-Device Model.
- What is the operating temperature range of the SN74LVC1G66?
The device operates over a temperature range of -40°C to 85°C.
- What package options are available for the SN74LVC1G66?
The device is available in various packages including SOT-23, SC70, SOT, USON, and DSBGA.
- What is the significance of the NanoFree package technology used in the SN74LVC1G66?
The NanoFree package technology uses the die as the package, reducing board space and enabling easier testing.
- Can the SN74LVC1G66 handle signals above 5.5 V?
No, the device is designed to handle signals up to 5.5 V (peak).
- What are some common applications of the SN74LVC1G66?
Common applications include wireless devices, audio and video signal routing, portable computing, wearable devices, and signal multiplexing for analog-to-digital and digital-to-analog conversion systems.
- How does the control input voltage tolerance of the SN74LVC1G66 benefit its usage?
The control input is 5.5-V tolerant, allowing it to interface with higher-voltage logic systems.
