TS3A4742DCNR Texas Instruments Integrated Circuit (SOT23 (8-Pin)) In Stock
Texas Instruments TS3A4742DCNR is a dual SPST analog switch with 1.65V to 3.6V supply range and 125MHz bandwidth. It features ultra-low on-resistance and supports bidirectional signal routing in 8-pin SOT-23 package. From $0.35 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (8-Pin)
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TS3A4742DCNR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3542(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual SPST configuration with 1:1 channel mapping for flexible signal routing
- Wide supply voltage range of 1.65V to 3.6V supporting low-power and battery-operated designs
- 125MHz bandwidth enabling high-speed analog and digital signal switching
- Ultra-compact 8-pin SOT-23 package ideal for space-constrained PCB layouts
- Bidirectional operation with low on-resistance for minimal signal distortion
Applications
The TS3A4742DCNR is widely used in portable consumer electronics such as smartphones and tablets for audio path switching and display interface multiplexing. It serves industrial applications requiring low-voltage analog signal routing, including sensor multiplexing and data acquisition systems. The device is also commonly deployed in wearable devices and IoT nodes where compact size and low power consumption are critical.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | Configuration : 1:1 SPST |
| Analog IC - Other Type | SPST |
| Bandwidth-Nom | 125MHz |
| Input Voltage-Max | 3.6V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Normal Position | NO |
| Number of Channels | 2 |
| Number of Functions | 2 |
| Off-state Isolation-Nom | 61dB |
| On-state Resistance Match-Nom | 0.09Ω |
| On-state Resistance-Max (Ron) | 2Ω |
| Output | SEPARATE OUTPUT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.1 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Signal Current-Max | 0.1A |
| Supply Current-Max (Isup) | 0.00075mA |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 1.6V |
| Supply Voltage-Nom (Vsup) | 1.8V |
| Surface Mount | YES |
| Switch-off Time-Max | 12ns |
| Switch-on Time-Max | 20ns |
| Switching | BREAK-BEFORE-MAKE |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (8-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TS3A4742DCNR:
suggested
suggested
Frequently Asked Questions
What is the supply voltage range of the TS3A4742DCNR?
The TS3A4742DCNR operates over a supply voltage range of 1.65V to 3.6V, making it compatible with modern low-voltage logic systems and battery-powered designs commonly found in portable and wearable electronics.
What type of switch configuration does the TS3A4742DCNR provide?
The TS3A4742DCNR provides a dual SPST (Single-Pole Single-Throw) analog switch configuration with a 1:1 channel mapping. It offers two independent switching channels, each capable of routing analog or digital signals bidirectionally with a bandwidth of up to 125MHz.
What package does the TS3A4742DCNR come in and what are its dimensions?
The TS3A4742DCNR is housed in an 8-pin SOT-23 (JESD-30 code: R-PDSO-G8) surface-mount package. This compact package is ideal for space-constrained designs on densely populated PCBs in portable consumer and industrial applications.
What are typical applications for the TS3A4742DCNR?
Typical applications include audio path switching in smartphones and tablets, analog signal multiplexing in sensor interfaces, display interface routing, data acquisition front-ends, and general-purpose low-voltage signal switching in IoT and wearable devices.
Is the TS3A4742DCNR RoHS compliant?
Yes, the TS3A4742DCNR is lead-free and RoHS compliant, as indicated by its Pbfree Code 'Yes' and JESD-609 code 'e4'. It meets international environmental regulations for hazardous substances in electronic equipment.
Related Guides
TPS61291DRVR Selection Guide: Low-Quiescent-Current Boost Converters for IoT and Wearables
How to select the TPS61291DRVR and low-Iq boost converters for IoT, wearables, and coin-cell designs. Compares specs, packages, and alternatives from TI, ADI, and Microchip.
May 13, 2026
TMS5704357BZWTQQ1 Selection Guide: Choosing the Right TMS570 Automotive MCU Variant
Compare TMS570 automotive MCU variants by ASIL level, flash, package, and peripherals. Find the right fit from entry-level LQFP to the ASIL-D TMS5704357BZWTQQ1.
May 13, 2026
TI Hercules TMS5704357BZWTQQ1 Design Guide for Automotive ASIL-D and Industrial Functional Safety
Complete integration guide for the TI Hercules TMS5704357BZWTQQ1 dual-core lockstep Cortex-R5F MCU: lockstep CPU, ECC RAM, FlexRay/CAN-FD, and ASIL-D pitfalls.
May 12, 2026
PTN78000WAH Selection Guide: Choosing the Right 1.5 A 36 V Step-Down Power Module
Compare PTN78000WAH against PTN78000WAS, PTN78060WAH, and other 1.5A 36V step-down modules. Covers package, current rating, efficiency, and drop-in replaceability.
May 12, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.0000 | $4.00 |
| 250+ | $0.4470 | $111.75 |
| 500+ | $0.4320 | $216.00 |
| 1000+ | $0.3973 | $397.30 |
| 6000+ | $0.3880 | $2328.00 |
| 10000+ | $0.3542 | $3542.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”