TS5A3159DBVR - 1Ω SPDT Analog Switch | Texas Instruments
MPN: TS5A3159DBVR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.45 | $0.45 |
| 10 | $0.38 | $3.80 |
| 100 | $0.32 | $32.00 |
| 500 | $0.28 | $140.00 |
| 1,000 | $0.25 | $250.00 |
Drop-in alternatives for TS5A3159DBVR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TS5A3159DBVRG4
✅ Drop-In📋 Reference alternative (not in catalog)
TS5A3159A
✅ Drop-In📋 Reference alternative (not in catalog)
NC7SB3157
✅ Drop-In📋 Reference alternative (not in catalog)
TS5A3159DBVT
✅ Drop-In📋 Reference alternative (not in catalog)
TS5A3159DBVR Maximum Ratings & Electrical Characteristics
| Configuration | SPDT (2:1) |
| Number of Channels | 1 |
| Supply Voltage Range | 1.65 V to 5.5 V |
| ON-State Resistance (Ron) | 1.1 Ω (typical) |
| ON-State Resistance Matching | 0.1 Ω (typical) |
| Break-Before-Make | Yes |
| Total Harmonic Distortion (THD) | 0.01% (typical) |
| Leakage Current | 1 nA (typical) |
| Select Pin Overvoltage Protection | Up to 7 V |
| Operating Temperature Range | -40°C to +85°C |
| Package | SOT-23-6 |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| REACH Status | Compliant |
| Lead-Free | Yes |
TS5A3159DBVR Pin Configuration
| Pin 1 | COM — Common terminal |
| Pin 2 | NO — Normally open terminal |
| Pin 3 | GND — Ground |
| Pin 4 | NC — Normally closed terminal |
| Pin 5 | SEL — Select control input |
| Pin 6 | VCC — Positive supply voltage |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
TS5A3159DBVR is suitable for 6 applications: Audio Signal Routing, Data Acquisition Systems, Battery-Powered Equipment, Analog Multiplexing, Portable Medical Devices, Industrial Control Systems.
Audio Signal Routing
The TS5A3159DBVR is ideal for audio signal routing due to its low ON-state resistance (1.1 Ω) and excellent THD (0.01%). It can switch audio signals with minimal distortion, making it suitable for headphone switching, source selection, and mixer applications. The break-before-make feature prevents signal glitches during channel transitions, ensuring clean audio output. Its wide supply voltage range (1.65V to 5.5V) allows integration into both 3.3V and 5V audio systems. The compact SOT-23-6 package saves board space in portable audio devices.
Recommended
Data Acquisition Systems
In data acquisition systems, the TS5A3159DBVR can multiplex analog sensor signals to a single ADC input. Its low ON-resistance and matching (0.1 Ω) ensure accurate signal transfer with minimal error. The wide supply range supports various sensor interfaces, and the fast switching speed allows high-throughput sampling. The break-before-make feature prevents channel crosstalk, maintaining signal integrity. The device's low leakage current (1 nA) is critical for high-impedance sensor applications, preserving measurement accuracy.
Recommended
Battery-Powered Equipment
The TS5A3159DBVR is well-suited for battery-powered equipment due to its low power consumption and wide operating voltage range (1.65V to 5.5V). It can switch signals in portable devices such as smartphones, wearables, and IoT sensors. The low ON-resistance minimizes power loss, extending battery life. The select pin overvoltage protection (up to 7V) adds robustness in battery applications where voltage spikes may occur. The small SOT-23-6 package is ideal for space-constrained designs.
Recommended
Analog Multiplexing
The TS5A3159DBVR can be used as a building block for analog multiplexing in test equipment and instrumentation. Its low ON-resistance and excellent matching ensure accurate signal routing. The break-before-make feature prevents momentary shorting of channels, protecting sensitive circuits. The wide supply range allows use in various logic levels. The device's fast switching speed enables high-frequency signal multiplexing, making it suitable for automated test systems and signal routing matrices.
Recommended
Portable Medical Devices
In portable medical devices, the TS5A3159DBVR can route bio-signals such as ECG or EEG to an amplifier and ADC. Its low leakage current (1 nA) and low ON-resistance are crucial for preserving weak biological signals. The wide supply range supports battery operation, and the small package is ideal for wearable monitors. The break-before-make feature ensures safe channel switching without signal artifacts. The device's low power consumption extends battery life in continuous monitoring applications.
Recommended
Industrial Control Systems
The TS5A3159DBVR is suitable for industrial control systems where analog signals need to be routed to different control circuits. Its wide operating temperature range (-40°C to +85°C) ensures reliable operation in harsh environments. The low ON-resistance and high ESD robustness make it suitable for factory automation and process control. The select pin overvoltage protection (up to 7V) provides immunity to voltage transients. The device's small footprint allows dense PCB layouts in control panels.
Recommended
Recommended Products Summary
Engineering reference data for TS5A3159DBVR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TS5A3159DBVRG4 | TS5A3159A | NC7SB3157 |
|---|---|---|---|---|
| Package | SOT-23-6 | SOT-23-6 | SOT-23-6 | SOT-23-6 |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | onsemi |
| Supply Voltage Range | 1.65V to 5.5V | 1.65V to 5.5V | 1.65V to 5.5V | 1.65V to 5.5V |
| ON-State Resistance (Typ) | 1.1 Ω | 1.1 Ω | 0.9 Ω | 1.0 Ω |
| THD (Typ) | 0.01% | 0.01% | 0.005% | 0.02% |
| Leakage Current (Typ) | 1 nA | 1 nA | 0.5 nA | 2 nA |
| Select Pin Overvoltage Protection | Up to 7V | Up to 7V | Up to 7V | Up to 5.5V |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
Key Differentiators
- Low ON-state resistance of 1.1 Ω (vs NC7SB3157)
- Select pin overvoltage protection up to 7V (vs NC7SB3157)
- Excellent THD of 0.01% (vs TS5A3159A)
Design Notes
The TS5A3159DBVR operates from 1.65V to 5.5V. Ensure the VCC pin is properly decoupled with a 0.1µF ceramic capacitor placed close to the pin. The select pin can tolerate up to 7V, but do not exceed this limit to avoid damage. For battery-powered designs, consider the supply current, which is typically microamperes, to maximize battery life.
For optimal signal integrity, keep the analog signal traces short and direct. Place the TS5A3159DBVR close to the signal source and destination to minimize parasitic capacitance and inductance. Use a solid ground plane under the device to reduce noise. The SOT-23-6 package has a small footprint; ensure adequate solder pad size for reliable soldering.
A common pitfall is exceeding the select pin voltage rating of 7V, which can cause permanent damage. Also, ensure the break-before-make feature is not compromised by external timing circuits. Avoid routing high-speed digital signals near the analog switch to prevent crosstalk. Always refer to the datasheet for absolute maximum ratings and recommended operating conditions.
Compliance Information
RoHS and REACH compliant per TI product page. Not AEC-Q100 qualified.
