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SN3257QPWRQ1

An analogue switch integrated circuit (SPDT) is the SN3257QPWRQ1 from Texas Instruments. It uses a single supply voltage between 1.5 and 5.5 volts to function. The on/off switch has a timing of 35 µs and 95 ns. It comes in a 16-TSSOP packaging that is appropriate for surface mount uses.

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Description

Product parameter

Type	Parameter
Category	Analog Switch ICs
Manufacturer	Texas Instruments
Switch Circuit	SPDT (Single Pole Double Throw)
Number of Circuits	1
On-State Resistance (Max)	5 Ohms
Channel-to-Channel Matching (ΔRon)	70 mOhms
Voltage - Supply, Single (V+)	1.5V to 5.5V
Switch Time (Ton, Toff) (Max)	35 µs, 95 ns
-3dB Bandwidth	1.2 GHz
Charge Injection	3.5 pC
Channel Capacitance (CS(off), CD(off))	4 pF, 4 pF
Current - Leakage (IS(off)) (Max)	900 nA (Typical)
Crosstalk	-90 dB @ 100 kHz
Operating Temperature	-40°C to 125°C
Grade	Automotive
Qualification	AEC-Q100
Mounting Type	Surface Mount
Package / Case	16-TSSOP (0.173", 4.40 mm Width)
Supplier Device Package	16-TSSOP
Base Product Number	SN3257

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Features

Automotive Grade Qualification:

The SN3257QPWRQ1 is AEC-Q100 qualified, making it suitable for automotive applications. It operates over a temperature range of -40°C to +125°C, ensuring reliable performance in harsh conditions.

Wide Supply Range and Low Propagation Delay:

This device's low propagation latency of only 78 ps and wide supply voltage range of 1.5 V to 5.5 V enable quick signal processing and effective data handling.

High Performance and Low On-Resistance:

With a low on-resistance of 5 Ω and a large bandwidth of 2 GHz, it offers minimum signal degradation and great signal integrity.

Versatile Signal Handling:

This kind of device is adaptable to a range of signal routing and interface requirements since it enables bidirectional signal routes and input voltages above the supply voltage. Additionally, it can operate at 1.8 V logic levels and has built-in pull-down resistors on the logic pins to provide steady functioning.

Package information

The SN3257QPWRQ1 features a 16-TSSOP (Thin Shrink Small Outline Package) for its packaging. This surface-mount package measures 5 mm in length, 4.4 mm in width, and has a maximum height of 1.2 mm when seated. The terminal pitch of the package is 0.65 mm, allowing for compact placement and efficient use of board space.

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FAQ

Q: What level of protection against powered-off signals does the SN3257QPWRQ1 provide?

A: It protects the device from potential damage when switched off by offering powered-off protection for signals up to 3.6 V.

Q: Which automobile certification is held by the SN3257?

A: This model satisfies strict automotive dependability criteria because it is AEC-Q100 approved. With an operating range of -40°C to +125°C, it is particularly approved for temperature grade 1, making it appropriate for use in challenging automotive conditions.

Q: What supply voltage does the SN3257QPWRQ1 require?

A: The supply voltage range for the device's operation is wide, ranging from 1.5 V to 5.5 V. Because of its adaptability, it can be utilized in a range of settings with differing power supply limitations.

Q: How low is the propagation delay of the SN3257Q?

A: It has a 78 ps propagation latency, which is quite short. This incredibly quick delay reduces latency in communication networks and is essential for high-speed data processing.

Q: What is the SN3257QPWRQ1's on-resistance, and why is it important?

A: With a 5 Ω on-resistance, the device is quite low. Because of its low resistance, the system is more efficient overall and the signal integrity is preserved. Power loss and signal distortion are also reduced.

Q: How much bandwidth can the SN3257QPWRQ1 handle?

A: Up to 2 GHz of high bandwidth is supported by it. It is appropriate for applications requiring quick data transfer because of its high bandwidth capacity, which enables it can handle high-frequency signals.

Q: Does this product provide signal paths that are bidirectional?

A: The answer is that the gadget can handle signals that are traveling in both directions since it supports bidirectional signal paths. Applications needing bi-directional communication and flexible signal routing will find this functionality especially helpful.

Q: Is 1.8 V logic levels compatible with the SN3257?

A: The device can easily interface with contemporary low-voltage digital circuits since it is compatible with 1.8 V logic levels. Its compatibility guarantees that there won't be any voltage level discrepancies when it's integrated into sophisticated electronic systems.

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