Model No: TS3A4741DCNR
Texas Instruments TS3A4741DCNR
Manufacturer: Texas Instruments
SEMICON NO.: TS3A4741DCNR
Package: SOT-23-8
Stock: In stock
Description: Analog Switch 2 Channels IC 1:1 900mOhm
SEMICON NO.: TS3A4741DCNR
Package: SOT-23-8
Stock: In stock
Description: Analog Switch 2 Channels IC 1:1 900mOhm
Quantity :
| Mfr | Texas Instruments |
| Device Type | Dual SPST Analog Switch (2-Channel) |
| Switch Configuration | SPST - Normally Open |
| Number of Circuits / Channels | 2 |
| Multiplexer/Demultiplexer Circuit | 1:1 |
| Supply Voltage (V+) | 1.6 V to 3.6 V |
| On-State Resistance | 900 mΩ(Max) |
| On-State Resistance | 700 mΩ(Typ) |
| Turn-ON Time (tON) | 14 ns (Max) |
| Turn-OFF Time (tOFF) | 9 ns(Max) |
| -3db Bandwidth | 125 MHz |
| Crosstalk | -95 dB @ 1 MHz |
| Channel Capacitance (CS(OFF)) | 23 pF (Typ) |
| Channel Capacitance (CD(OFF)) | 20 pF (Typ) |
| Channel ON Capacitance (CON) | 43 pF (Typ) |
| Leakage Current (IS(OFF)) | 2 nA (Max) |
| Continuous Current (per channel) | 100 mA (Max) |
| Operating Temperature | -40°C to +85°C |
| Package | SOT-23-8 |
| Mounting Type | Surface Mount |
| Compliance | RoHS Compliant |
TS3A4741DCNR dual-channel SPST switch
The TS3A4741DCNR from Texas Instruments is a high-performance, low-voltage, single-supply, dual-channel SPST (Single-Pole Single-Throw) analog switch designed for precision signal routing in space-constrained and power-sensitive applications . Housed in a compact 8-pin SOT-23 (DCN) package, this device integrates two independent normally-open (NO) switches into a single chip . It operates from a wide single-supply voltage range of 1.6V to 3.6V and is specified for an industrial temperature range of -40°C to +85°C . With an exceptionally low maximum on-state resistance (Ron) of 0.9Ω (at 3V supply) and fast switching speeds (tON = 14 ns, tOFF = 9 ns), it ensures minimal signal attenuation and distortion for high-fidelity audio and data signals . The device is 1.8V CMOS logic compatible when using a 3V supply, making it ideal for interfacing with modern low-voltage microcontrollers and processors.
TS3A4741DCNR Typical Applications
The TS3A4741DCNR is engineered for applications requiring high-performance, low-loss signal switching and multiplexing. Its primary uses are in portable and battery-powered devices such as smartphones, tablets, and wearables for audio signal routing, headset detection, and sensor interface switching . It is also ideal for data acquisition systems and test equipment, where it can be used for channel selection, gain switching, and signal conditioning with minimal introduced error . Furthermore, it finds applications in communication systems for antenna and filter bank switching, in medical instrumentation for patient monitoring, and in industrial control systems for multiplexing analog sensor signals.
Alternativeanalog switchs
● ADG823BRMZ (Analog Devices): A 1Ω CMOS dual SPST analog switch operating from 1.8V to 5.5V, offering a wider supply range and similar low on-resistance in an MSOP-8 package.
● MAX4613ESE+ (Maxim Integrated/Analog Devices): A low-voltage, low-on-resistance, dual SPST analog switch with typical Ron of 5Ω, known for its low charge injection and high bandwidth, suitable for precision applications.
● DG9416DV-T1-E3 (Vishay Siliconix): A dual SPST switch with very low Ron (0.5Ω typical) and a supply range of 1.8V to 5.5V, designed for high-performance audio and video switching.
● TS5A21366DCUR (Texas Instruments): A low-voltage dual SPST switch with 0.75Ω typical Ron and enhanced ESD performance, optimized for USB 2.0 and other high-speed data port protection and switching.
The TS3A4741DCNR from Texas Instruments is a high-performance, low-voltage, single-supply, dual-channel SPST (Single-Pole Single-Throw) analog switch designed for precision signal routing in space-constrained and power-sensitive applications . Housed in a compact 8-pin SOT-23 (DCN) package, this device integrates two independent normally-open (NO) switches into a single chip . It operates from a wide single-supply voltage range of 1.6V to 3.6V and is specified for an industrial temperature range of -40°C to +85°C . With an exceptionally low maximum on-state resistance (Ron) of 0.9Ω (at 3V supply) and fast switching speeds (tON = 14 ns, tOFF = 9 ns), it ensures minimal signal attenuation and distortion for high-fidelity audio and data signals . The device is 1.8V CMOS logic compatible when using a 3V supply, making it ideal for interfacing with modern low-voltage microcontrollers and processors.
TS3A4741DCNR Typical Applications
The TS3A4741DCNR is engineered for applications requiring high-performance, low-loss signal switching and multiplexing. Its primary uses are in portable and battery-powered devices such as smartphones, tablets, and wearables for audio signal routing, headset detection, and sensor interface switching . It is also ideal for data acquisition systems and test equipment, where it can be used for channel selection, gain switching, and signal conditioning with minimal introduced error . Furthermore, it finds applications in communication systems for antenna and filter bank switching, in medical instrumentation for patient monitoring, and in industrial control systems for multiplexing analog sensor signals.
Alternativeanalog switchs
● ADG823BRMZ (Analog Devices): A 1Ω CMOS dual SPST analog switch operating from 1.8V to 5.5V, offering a wider supply range and similar low on-resistance in an MSOP-8 package.
● MAX4613ESE+ (Maxim Integrated/Analog Devices): A low-voltage, low-on-resistance, dual SPST analog switch with typical Ron of 5Ω, known for its low charge injection and high bandwidth, suitable for precision applications.
● DG9416DV-T1-E3 (Vishay Siliconix): A dual SPST switch with very low Ron (0.5Ω typical) and a supply range of 1.8V to 5.5V, designed for high-performance audio and video switching.
● TS5A21366DCUR (Texas Instruments): A low-voltage dual SPST switch with 0.75Ω typical Ron and enhanced ESD performance, optimized for USB 2.0 and other high-speed data port protection and switching.
