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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 15OHM SOT23-6
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：15Ohm
- Channel-to-Channel Matching (ΔRon)：100mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：5.7ns, 3.8ns
- -3db Bandwidth：300MHz
- Charge Injection：7pC
- Channel Capacitance (CS(off), CD(off))：5.2pF
- Current - Leakage (IS(off)) (Max)：1µA
- Crosstalk：-54dB @ 10MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- Number of Circuits：1
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The 1P1G3157QDBVRQ1 is an automotive-grade single-pole double-throw (SPDT) analog switch manufactured by Texas Instruments. It operates within a supply voltage range of 1.65 V to 5.5 V and features a maximum on-resistance of 15 ohms with a channel-to-channel matching of 100 milliohms. The device supports a -3 dB bandwidth of 300 MHz and exhibits low charge injection of 7 pC. It is housed in a SC-70-6 package, suitable for surface-mount installation, and functions reliably across a temperature range of -40°C to +125°C.
Feature Summary
- Automotive qualification compliant with AEC-Q100 standards for robust performance in vehicle environments.
- Single SPDT configuration providing efficient signal routing with minimal insertion loss.
- Low on-resistance ensures high signal integrity and power efficiency in data transmission paths.
Applications
- Automotive infotainment systems requiring reliable audio or video signal switching.
- Telematics units managing multiple antenna or sensor inputs.
- Body control modules handling peripheral signal multiplexing.
Procurement Notes
Verify the complete part number including the suffix QDBVRQ1 to ensure correct automotive grade and packaging specifications. Confirm that the supplier provides traceability documentation required for automotive assembly processes. Check for RoHS compliance status relevant to the specific manufacturing batch before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring a compact SPDT switch with low on-resistance for automotive applications. Ensure the operating voltage stays within the 1.65 V to 5.5 V range. Consider the SC-70-6 package size constraints during PCB layout. Verify thermal requirements against the specified -40°C to +125°C operating temperature range.
Part Context
This device belongs to the 1P1G3157 family of analog switches designed specifically for automotive use. It serves as a functional replacement for the non-automotive 74LVC1G3157 series, offering similar electrical characteristics but with enhanced reliability and qualification for harsh automotive environments. The Q1 suffix denotes automotive grade certification.
Replacement Considerations
The non-automotive 74LVC1G3157DBVRG4 offers identical electrical specifications but lacks AEC-Q100 qualification. For direct pin-compatible upgrades in automotive designs, verify that the original design explicitly permits non-qualified components. No other direct substitutes are confirmed in the provided data.
