Specifications
| Type | Description |
|---|---|
| Part Number | SN74LVC2G66 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package Case | DCT SSOP-8 2.95 mm x 2.80 mm; DCU VSSOP-8 2.30 mm x 2.00 mm; YZP DSBGA-8 1.91 mm x 0.91 mm |
| Supply Voltage Operating Range | 1.65-5.5 V; recommended operating condition, VCC |
| Switch I/O Voltage Range | 0 V to VCC; recommended operating condition, VI/O |
| Control Input Voltage Range | 0-5.5 V; recommended operating condition, VI |
| Operating Free-Air Temperature | -40 to 85 °C; recommended operating condition, TA |
| Absolute Maximum Supply Voltage | -0.5 to 6.5 V; over operating free-air temperature range |
| Absolute Maximum Input Voltage | -0.5 to 6.5 V; over operating free-air temperature range |
| Absolute Maximum Switch I/O Voltage | -0.5 V to VCC + 0.5 V, limited to 5.5 V maximum; over operating free-air temperature range |
| On-State Switch Current | ±50 mA; VI/O = 0 to VCC |
| Continuous Current Through VCC or GND | ±100 mA; absolute maximum rating |
| Storage Temperature | -65 to 150 °C; absolute maximum rating |
| HBM ESD Rating | ±2000 V; human body model, ANSI/ESDA/JEDEC JS-001, all pins |
| CDM ESD Rating | ±1000 V; charged-device model, JESD22-C101, all pins |
| High-Level Control Input Voltage | 0.65 x VCC minimum; VCC = 1.65 V to 1.95 V |
| High-Level Control Input Voltage | 0.7 x VCC minimum; VCC = 2.3 V to 5.5 V |
| Low-Level Control Input Voltage | 0.35 x VCC maximum; VCC = 1.65 V to 1.95 V |
| Low-Level Control Input Voltage | 0.3 x VCC maximum; VCC = 2.3 V to 5.5 V |
| Input Transition Rise or Fall Time | 20 ns/V maximum; VCC = 1.65 V to 2.7 V |
| Input Transition Rise or Fall Time | 10 ns/V maximum; VCC = 3 V to 5.5 V |
| On-State Switch Resistance | 12.5 Ω typ, 30 Ω max; VCC = 1.65 V, VC = VIH, IS = 4 mA |
| On-State Switch Resistance | 9 Ω typ, 20 Ω max; VCC = 2.3 V, VC = VIH, IS = 8 mA |
| On-State Switch Resistance | 7.5 Ω typ, 15 Ω max; VCC = 3 V, VC = VIH, IS = 24 mA |
| On-State Switch Resistance | 6 Ω typ, 10 Ω max; VCC = 4.5 V, VC = VIH, IS = 32 mA |
| Peak On-State Resistance | 85 Ω typ, 120 Ω max; VCC = 1.65 V, VC = VIH, VI = VCC to GND, IS = 4 mA, TA = 25°C for max footnote |
| Peak On-State Resistance | 22 Ω typ, 30 Ω max; VCC = 2.3 V, VC = VIH, VI = VCC to GND, IS = 8 mA, TA = 25°C for max footnote |
| Peak On-State Resistance | 12 Ω typ, 20 Ω max; VCC = 3 V, VC = VIH, VI = VCC to GND, IS = 24 mA |
| Peak On-State Resistance | 7.5 Ω typ, 15 Ω max; VCC = 4.5 V, VC = VIH, VI = VCC to GND, IS = 32 mA |
| Off-State Switch Leakage Current | ±0.1 µA typ, ±1 µA max; VCC = 5.5 V, VC = VIL, VI = VCC and VO = GND or VI = GND and VO = VCC; typ at TA = 25°C |
| On-State Switch Leakage Current | ±0.1 µA typ, ±1 µA max; VCC = 5.5 V, VC = VIH, VI = VCC or GND, VO = open; typ at TA = 25°C |
| Control Input Current | ±0.1 µA typ, ±1 µA max; VCC = 5.5 V, VC = VCC or GND; typ at TA = 25°C |
| Supply Current | 1 µA typ, 10 µA max; VCC = 5.5 V, VC = VCC or GND; typ at TA = 25°C |
| Supply Current Change | 500 µA max; VCC = 5.5 V, VC = VCC - 0.6 V |
| Control Input Capacitance | 3.5 pF typ; VCC = 5 V |
| Switch Input/Output Capacitance Off-State | 6 pF typ; VCC = 5 V |
| Switch Input/Output Capacitance On-State | 14 pF typ; VCC = 5 V |
| Propagation Delay | 0.8 ns max; A or B to B or A, VCC = 3.3 V ±0.3 V |
| Enable Time | 1.5 ns min, 4.4 ns max; C to A or B, VCC = 3.3 V ±0.3 V |
| Disable Time | 2 ns min, 7.2 ns max; C to A or B, VCC = 3.3 V ±0.3 V |
| Frequency Response | 195 MHz typ; switch on, A or B to B or A, VCC = 4.5 V, CL = 50 pF, RL = 600 Ω, sine wave input, TA = 25°C |
| Frequency Response | >300 MHz typ; switch on, A or B to B or A, VCC = 1.65 V to 4.5 V, CL = 5 pF, RL = 50 Ω, sine wave input, TA = 25°C |
| Crosstalk Between Switches | -58 dB typ; A or B to B or A, VCC = 1.65 V to 4.5 V, CL = 50 pF, RL = 600 Ω, fin = 1 MHz sine wave, TA = 25°C |
| Feedthrough Attenuation | -58 dB typ; switch off, A or B to B or A, VCC = 1.65 V to 4.5 V, CL = 50 pF, RL = 600 Ω, fin = 1 MHz sine wave, TA = 25°C |
| Sine-Wave Distortion | 0.01% typ; A or B to B or A, VCC = 4.5 V, CL = 50 pF, RL = 10 kΩ, fin = 1 kHz or 10 kHz sine wave, TA = 25°C |
| Power Dissipation Capacitance | 8 pF typ at 1.8 V; 9 pF typ at 2.5 V; 9.5 pF typ at 3.3 V; 11 pF typ at 5 V; f = 10 MHz, TA = 25°C |
| Switch Control Logic | Low = off, high = on; control inputs 1C and 2C |
| Datasheet Status | request_only |
Product Overview
The SN74LVC2G66 is a Texas Instruments dual bilateral analog switch for Signal_Chain designs. Its two switch channels are controlled by 1C and 2C logic inputs, where low turns the switch off and high turns it on. The recommended VCC operating range is 1.65-5.5 V, the switch I/O range is 0 V to VCC, and the control input range is 0-5.5 V.
Key Features
- Dual bilateral analog switch for Signal_Chain designs
- 1.65-5.5 V recommended VCC operating range
- Switch I/O supports 0 V to VCC
- Control inputs accept 0-5.5 V range
- Low control turns switch off, high turns on
- 6 Ω typical on-state resistance at 4.5 V
- 0.8 ns maximum propagation delay at 3.3 V
- Typical frequency response exceeds 300 MHz under 50 Ω loading
- -58 dB typical crosstalk between switches
- 0.01% typical sine-wave distortion at 4.5 V
Typical Applications
- Analog signal routing
- Bidirectional signal switching
- Signal-chain channel selection
- Sine-wave signal switching
- Control-enabled analog paths
- Low-leakage switch interfaces
- Compact SSOP VSSOP DSBGA assemblies
Procurement Notes
When requesting a quote for SN74LVC2G66, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What supply voltage range does SN74LVC2G66 support?
SN74LVC2G66 is specified with a recommended VCC operating range of 1.65-5.5 V. Its switch I/O voltage range is 0 V to VCC, and its control input voltage range is 0-5.5 V.
How are the SN74LVC2G66 switch channels controlled?
The control inputs are 1C and 2C. According to the extracted datasheet logic, a low control level turns the corresponding switch off, while a high control level turns the switch on.
What package options are listed for SN74LVC2G66?
The listed package options are DCT SSOP-8 at 2.95 mm x 2.80 mm, DCU VSSOP-8 at 2.30 mm x 2.00 mm, and YZP DSBGA-8 at 1.91 mm x 0.91 mm.
What timing performance is specified at 3.3 V?
At VCC = 3.3 V ±0.3 V, propagation delay from A or B to the opposite side is 0.8 ns maximum. Enable time is 1.5 ns minimum and 4.4 ns maximum, while disable time is 2 ns minimum and 7.2 ns maximum.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.