Overview
The SN74LVC1G66DBVR is a single bilateral analog switch produced by Texas Instruments. This device is designed to operate within a wide voltage range of 1.65 V to 5.5 V, making it versatile for various analog and digital signal applications. The SN74LVC1G66 allows for bidirectional transmission of signals with amplitudes up to 5.5 V, and it features a high on-off output voltage ratio and a high degree of linearity. The device is packaged in Texas Instruments' NanoFree package technology, which is one of the smallest packages available, allowing for significant board space savings and easy testing through solder bumps.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| VCC Supply Voltage | 1.65 | 5.5 | V |
| VI/O I/O Port Voltage | 0 | VCC | V |
| VIH High-Level Input Voltage (Control Input) | VCC × 0.65 (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 (Control Input) | VCC × 0.35 (for VCC = 1.65 V to 1.95 V) | VCC × 0.3 (for VCC = 2.3 V to 5.5 V) | V |
| Δt/Δv Control Input Transition Rise and Fall Time | 20 ns/V (for VCC = 1.65 V to 2.7 V) | 10 ns/V (for VCC = 3 V to 5.5 V) | ns/V |
| TA Operating Free-Air Temperature | -40 | 85 | °C |
| tpd Propagation Delay Time (at 3.3 V) | 0.8 ns | ns | |
| Ron ON-State Resistance (at VCC = 4.5 V) | ≈5.5 Ω | Ω |
Key Features
- Wide VCC range: 1.65 V to 5.5 V operation
- Inputs accept voltages up to 5.5 V
- High speed: Typically 0.5 ns propagation delay at VCC = 3 V and CL = 50 pF
- Low ON-state resistance: Typically ≈5.5 Ω at VCC = 4.5 V
- High on-off output voltage ratio and high degree of linearity
- Latch-up performance exceeds 100 mA per JESD 78, Class II
- ESD protection exceeds JESD 22
- NanoFree package technology for minimal board space and easy testing
Applications
The SN74LVC1G66DBVR is suitable for a variety of applications where bidirectional analog signal switching is required. These include:
- Analog and digital signal routing in mixed-signal systems
- Audio and video signal switching
- Industrial control systems
- Medical devices requiring precise signal handling
- Automotive systems where signal integrity is crucial
Q & A
- What is the operating voltage range of the SN74LVC1G66DBVR? The operating voltage range is from 1.65 V to 5.5 V.
- What is the maximum propagation delay time at 3.3 V? The maximum propagation delay time at 3.3 V is 0.8 ns.
- Can the inputs handle voltages higher than VCC? Yes, the inputs can handle voltages up to 5.5 V.
- What is the typical ON-state resistance at VCC = 4.5 V? The typical ON-state resistance at VCC = 4.5 V is approximately 5.5 Ω.
- Does the device have ESD protection? Yes, the device has ESD protection that exceeds JESD 22 standards.
- What is the operating temperature range of the SN74LVC1G66DBVR? The operating temperature range is from -40°C to 85°C.
- What package type is used for the SN74LVC1G66DBVR? The device is packaged in Texas Instruments' NanoFree package technology.
- Can the device handle both analog and digital signals? Yes, the SN74LVC1G66DBVR can handle both analog and digital signals.
- What is the maximum load current for the outputs? The load currents should not exceed ±50 mA.
- What is the maximum frequency capability of the device? The maximum frequency tested is 150 MHz, but this can be reduced by added trace resistance/capacitance.
