사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Switch Circuit | SPDT |
| Multiplexer / Demultiplexer Circuit | 2:1 |
| Number of Circuits | 1 |
| On - State Resistance(Max) | 5Ohm |
| Channel - to - Channel Matching(ΔRon) | 70mOhm |
| Voltage - Supply, Single (V+) | 1.5V ~ 5.5V |
| Voltage - Supply, Dual (V±) | 1.5V ~ 5.5V |
| Switch Time(Ton Toff)(Max) | 35µs, 95ns |
| -3 dB Bandwidth | 1.2GHz |
| Charge Injection | 3.5pC |
| Channel Capacitance(CS(off)CD(off)) | 4pF, 4pF |
| Current - Leakage(IS(off))(Max) | 900nA (Typ) |
| Crosstalk | -90dB @ 100kHz |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
개요
Description
The SN3257QPWRQ1 is a dual-channel, bidirectional voltage-level translator from Texas Instruments, designed for automotive applications. It supports 1.2V to 5.5V voltage translation, making it ideal for interfacing between low-voltage MCUs and higher-voltage peripherals.
Key features:
- AEC-Q100 qualified for automotive reliability.
- Bidirectional operation without a direction pin.
- Low propagation delay (<5ns typical).
- Wide voltage range (1.2V to 5.5V on both ports).
- High-speed (up to 100 Mbps).
Applications include CAN, LIN, I²C, SPI, and GPIO level shifting in automotive systems. The device comes in a TSSOP-16 package and operates over -40°C to +125°C, ensuring robust performance in harsh environments.
For more details, refer to the datasheet or TI’s product page.
Key features:
- AEC-Q100 qualified for automotive reliability.
- Bidirectional operation without a direction pin.
- Low propagation delay (<5ns typical).
- Wide voltage range (1.2V to 5.5V on both ports).
- High-speed (up to 100 Mbps).
Applications include CAN, LIN, I²C, SPI, and GPIO level shifting in automotive systems. The device comes in a TSSOP-16 package and operates over -40°C to +125°C, ensuring robust performance in harsh environments.
For more details, refer to the datasheet or TI’s product page.
Equivalent
The SN3257QPWRQ1 is a dual SPDT analog switch. Equivalent or similar products include:
- TI's SN74LVC2G53 (Dual SPDT)
- NXP's 74LVC2G53 (Dual SPDT)
- ON Semiconductor's NLASB3157 (Dual SPDT)
- Analog Devices' ADG5436 (Dual SPDT, higher voltage)
These alternatives offer comparable functionality but may vary in voltage range, speed, or package. Verify specs for exact compatibility.
- TI's SN74LVC2G53 (Dual SPDT)
- NXP's 74LVC2G53 (Dual SPDT)
- ON Semiconductor's NLASB3157 (Dual SPDT)
- Analog Devices' ADG5436 (Dual SPDT, higher voltage)
These alternatives offer comparable functionality but may vary in voltage range, speed, or package. Verify specs for exact compatibility.
Features
The SN3257QPWRQ1 is an automotive-qualified, dual-channel SPDT analog switch with the following key features:
- Voltage Range: 1.8V to 5.5V operation
- Low On-Resistance: 0.6Ω (typical at 4.5V)
- High Current Handling: Up to 1.5A continuous
- Low Power Consumption: 0.1µA (max) leakage current
- Fast Switching: 20ns (typical) turn-on/off time
- Robust Protection: Overvoltage, ESD (8kV HBM)
- Automotive Grade: AEC-Q100 qualified
- Package: 16-pin TSSOP (PW)
Ideal for automotive and industrial applications requiring high reliability and performance.
- Voltage Range: 1.8V to 5.5V operation
- Low On-Resistance: 0.6Ω (typical at 4.5V)
- High Current Handling: Up to 1.5A continuous
- Low Power Consumption: 0.1µA (max) leakage current
- Fast Switching: 20ns (typical) turn-on/off time
- Robust Protection: Overvoltage, ESD (8kV HBM)
- Automotive Grade: AEC-Q100 qualified
- Package: 16-pin TSSOP (PW)
Ideal for automotive and industrial applications requiring high reliability and performance.
Pinout
The SN3257QPWRQ1 is a 16-pin (TSSOP package) dual SPDT analog switch designed for automotive applications.
Key Functions:
- Dual SPDT (2 channels): Each channel can switch between two signal paths.
- Wide voltage range: Operates from 1.8V to 5.5V, supporting both logic and analog signals.
- Low on-resistance: Typically 0.6Ω at 4.5V for minimal signal distortion.
- High bandwidth: Supports up to 200MHz for high-speed signals.
- Automotive-grade: AEC-Q100 qualified for reliability in harsh environments.
Pin Functions:
- IN1, IN2: Control inputs for channel switching.
- COM1, COM2: Common pins for each channel.
- NO1, NO2 / NC1, NC2: Normally open/closed contacts for signal routing.
- V+ & GND: Power supply and ground.
Applications: USB switching, audio routing, and signal multiplexing in automotive systems.
Key Functions:
- Dual SPDT (2 channels): Each channel can switch between two signal paths.
- Wide voltage range: Operates from 1.8V to 5.5V, supporting both logic and analog signals.
- Low on-resistance: Typically 0.6Ω at 4.5V for minimal signal distortion.
- High bandwidth: Supports up to 200MHz for high-speed signals.
- Automotive-grade: AEC-Q100 qualified for reliability in harsh environments.
Pin Functions:
- IN1, IN2: Control inputs for channel switching.
- COM1, COM2: Common pins for each channel.
- NO1, NO2 / NC1, NC2: Normally open/closed contacts for signal routing.
- V+ & GND: Power supply and ground.
Applications: USB switching, audio routing, and signal multiplexing in automotive systems.
