In the world of precision analog design, a device is only as good as its documentation. The TSC-407 datasheet is the essential blueprint for engineers integrating this specific analog switch or multiplexer into their systems. While the "TSC" prefix often points to components from manufacturers like Texas Instruments, Analog Devices, or a specialized logic brand, the TSC-407 is widely recognized as a low-voltage, quad single-pole double-throw (SPDT) analog switch or a 4-channel differential multiplexer.
Before you lay out a PCB or simulate a signal chain, understanding every parameter inside the official TSC-407 datasheet is critical. This article dissects the datasheet section by section, providing you with a practical, engineer-focused overview. (Note: Always refer to the latest official manufacturer datasheet for absolute specs; this guide serves as a representative, high-level analysis.)
Solid Tantalum Chip Capacitor – High Reliability Series
If you can share:
I can give you a specific, pin-by-pin explanation for the actual TSC-407 component.
Otherwise, use the table and checks above to systematically evaluate the datasheet you have.
The lab light flickered, casting long shadows across the cluttered workbench. Dr. Aris Thorne was tired. For three weeks, his prototype environmental sensor had been failing. Every time he pushed it past 85°C, the signal dissolved into a mess of noise and static.
The problem, he suspected, lay in the analog front end. He needed a switch—a precision, low-charge-injection analog switch. But the usual parts were either too slow or introduced more distortion than a cheap guitar amp.
That’s when he remembered the dusty grey binder on the bottom shelf. He’d ordered a sample pack from a defunct semiconductor house years ago. He pulled it out, and a single sheet of paper fluttered to the floor.
It was the TSC-407 Datasheet.
He squinted at the faded logo. "TSC" didn't ring a bell. The date code was from a decade ago. He almost tossed it back, but the first line of the "Features" section stopped him cold:
His heart rate ticked up. Fail-safe logic? That was exotic for a part this old.
As he read on, the datasheet felt… different. The "Typical Applications" section didn't list the usual medical imaging or data acquisition. It listed:
Aris poured a cold cup of coffee and stared at the last bullet. Temporal signal discontinuity buffers? That wasn't engineering. That was science fiction.
He flipped to the last page—the "Package Outline & Ordering Information." The drawing showed a standard 14-pin SOIC, but the notes were handwritten in a tight, precise script.
Note 12: Do not exceed 4.2V on V+. Exceeding this threshold inverts the logic truth table and causes channel crosstalk with a negative time delay.
Note 13: If the /EN pin is held low for more than 10 seconds, the device enters a predictive settling mode. Channel selection will occur 15ns before the address lines are stable.
Note 14: (Struck out, barely legible) Under no circumstances tie IN1 and IN3 together while switching at 1MHz. The result is not a short circuit, but a causal loop.
A cold draft walked up Aris’s spine. This wasn't a standard component. This was a part designed for machines that processed when as much as what.
He looked at the sample drawer. Tucked under a thermal pad was a small, anti-static tube. Inside, eight little black ICs stared back with their silver legs. Part number: TSC-407.
With trembling hands, he wired one onto a breakout board. He didn't have a quantum computer or a cryostat. He had a signal generator, an oscilloscope, and a stupidly simple test: a 1kHz sine wave.
He powered it up at 3.3V. The signal passed cleanly. Flawlessly. Zero distortion.
Then, curious and foolish, he turned the voltage trimmer on his bench supply. The needle crept past 4.2V.
For a single, terrifying nanosecond, the output on his oscilloscope showed the sine wave before the input generated it. The trace on the screen led the probe by a full 5 milliseconds.
Aris yelped and yanked the power cord.
When he looked back at the screen, the trace was normal. But his timestamped screenshot told a different story. The output peak was timestamped 19:23:15.001. The input peak? 19:23:15.006.
The TSC-407 had switched not just a signal, but a moment in time.
He slowly closed the binder and slid the datasheet back into its sleeve. He would never build his environmental sensor. He would, however, spend the rest of the night writing a very different kind of research proposal.
The subject line would read: "Investigation into Causal Loop Suppression in Commercial Analog Switches (TSC-407)."
And he would never, ever turn the voltage past 4.2V again.
The TSC-407 is a specialized electronic component, most commonly identified as a linear integrated circuit (IC) or a touch screen control chip. While "TSC-407" can also refer to technical documents for industrial vehicles like the Tata SFC 407
, in the context of a "datasheet," it primarily refers to a 32-pin quad flat package (QFP) component used in analog signal processing or interface control. Technical Specifications
Based on manufacturer data, the TSC-407 IC typically operates within the following parameters:
Package Type: 32-pin Quad Flat Package (QFP-32) or Small Outline Package (SOP-8).
Supply Voltage: Generally ranges from 2.5V to 8.5V, though some versions support up to 18V.
Operating Temperature: Rated for industrial environments from -30°C to +85°C (with some variants reaching up to 125°C).
Power Consumption: Designed for low-power efficiency, typically requiring less than 10mA of operating current.
Interface: Frequently utilizes a Serial Peripheral Interface (SPI) for communication with microcontrollers. Key Applications
The TSC-407 is designed for reliability in high-performance electronic circuits. Its primary uses include:
Touch Screen Control: Used as a dedicated IC for managing input from resistive or capacitive touch panels.
Signal Conditioning: Acts as a low-noise, low-distortion operational amplifier for instrumentation and active filters.
Industrial Automation: Integrated into core boards for hardware control and data processing in marine and oil-and-gas equipment.
Label Printing: Utilized within TSC Printronix industrial printers to manage standalone touch panel applications. Compliance and Reliability
Modern TSC-407 components are RoHS compliant, meeting environmental safety standards for lead-free manufacturing. Technical guides emphasize maintaining supply voltages within the 2.7V–5.5V range and ensuring proper heat dissipation through appropriate PCB mounting to prevent thermal damage. TSC-407 | In Stock - Utsource
The TSC-407 is a versatile linear integrated circuit (IC) primarily used as a low-power, low-noise operational amplifier (op-amp). It is often found in a 32-pin Quad Flat Package (QFP) and is valued in analog circuit designs for its high reliability and precision. Technical Specifications
The TSC-407's datasheet highlights its performance in low-drift and low-distortion applications. Depending on the specific manufacturer (such as Texas Instruments or third-party versions), technical parameters may include: Supply Voltage: Typically operates between 3V and 18V.
Operating Temperature: Ranges from -30°C to +85°C (Standard) or up to +125°C (Industrial).
Common-Mode Rejection (CMRR): Rated at 80dB (at 1kHz), ensuring high signal integrity.
Input Bias Current: Low at 0.5nA, making it ideal for high-impedance sensors.
Package Types: Commonly available in QFP-32 or compact SMD/SMT versions. Key Features & Applications
This component is engineered for modern electronic manufacturing, meeting RoHS compliance for environmental safety. Typical Applications
Signal Conditioning: Used in instrumentation amplifiers to clean and scale weak sensor signals.
Audio/Video Equipment: Functions as a low-distortion driver for audio and video line circuits.
Active Filters: Implemented in high-pass, low-pass, and band-pass filter designs.
Precision Measurement: Suitable for feedback loops and overcurrent protection in industrial control systems. Mechanical Data and Dimensions
Physically, the TSC-407 is designed for space-sensitive PCB layouts. Detailed dimensions often vary by "Version" in the UTSource Technical Database : Dimensions (L x W x H) Voltage Range V1 9.9mm x 2.1mm x 1.9mm 2.5V – 8.5V V2 3.9mm x 2.4mm x 2.7mm 3.5V – 8.0V V3 4.2mm x 7.2mm x 2.1mm 2.0V – 9.0V Comparison with Similar Components
In RF and high-performance designs, the TSC-407 is sometimes compared to other transistors or amplifiers. For example, if your application requires specific current sensing, you might instead look at the STMicroelectronics TSC2020 , which offers precision bidirectional sensing up to 100V. If you tell me more about your project, I can help you: Find pin-compatible replacements (for out-of-stock items) Calculate gain and resistor values (for op-amp circuits)
Locate the official PDF (from specific manufacturers like Semtech) TSC-407 | In Stock | Utsource
is a low-power, high-precision linear integrated circuit (IC) primarily used as an operational amplifier in sensitive electronic applications. Often manufactured in a 32-pin quad flat package (QFP), it is designed for environments requiring minimal signal distortion and high stability. Key Technical Specifications
The datasheet for the TSC-407 highlights its ability to operate under a wide range of electrical conditions while maintaining accuracy: Supply Voltage: Operates across a broad range from 3.0V to 18V Precision Performance: Features a low offset voltage of and a low input bias current of , making it ideal for high-accuracy instrumentation. Noise and Distortion: Boasts a very low input noise voltage of 0.6nV/√Hz
, ensuring clear signal processing in audio or measurement circuits. Signal Integrity: Provides a high common-mode rejection ratio (CMRR) of 80dB at 1kHz , which helps in filtering out unwanted electrical noise. Common Applications
Due to its low-drift and low-offset characteristics, the TSC-407 is frequently utilized in: Instrumentation: Building high-gain instrumentation amplifiers. Signal Conditioning: Processing sensor data before it reaches a microcontroller. Audio/Video:
Serving as a high-fidelity audio amplifier or video line driver. Active Filtering:
Creating precise frequency filters for communication equipment. or a specific replacement part for a circuit repair? TSC-407 | In Stock - Utsource
The TSC-407 datasheet is more than a list of numbers—it's the complete reliability and performance guide for one of the most versatile low-voltage analog switches available. By understanding its absolute maximum ratings, pin functions, electrical characteristics, and application circuits, you can design robust data acquisition systems, audio routers, and test equipment.
Always keep the latest datasheet open during schematic capture and PCB layout. When in doubt, consult the manufacturer's application notes for further guidance on using the TSC-407 in your specific design.
Keywords: TSC-407 datasheet, TSC407 application note, TSC-407 pinout, analog switch SPDT, low on-resistance multiplexer, TSC-407 equivalent.
The Go to product viewer dialog for this item. is a low-power, low-noise operational amplifier from Texas Instruments, typically housed in a 32-pin Quad Flat Package (QFP). It is designed for high-precision tasks like signal conditioning and active filtering. Key Technical Specifications
The following parameters are sourced from documentation provided by retailers like UTSource: Supply Voltage: Wide range from Input Precision: Low offset voltage of and low input bias current of Noise Performance: Low input noise voltage of Common-Mode Rejection:
Applications: Ideal for instrumentation amplifiers, audio/video line drivers, and high-fidelity signal processing.
If you are looking for the full PDF document, you can often find legacy technical files on archive sites like DatasheetCatalog or by searching the Texas Instruments technical resource library for "TSC407".
Manufacturers include proven circuits. Here are three common topologies:
Place two TSC-407 switches before a 16-bit SAR ADC (e.g., ADS8860). Use one switch to connect the sensor signal; use the second switch to connect a precision voltage reference for self-calibration. The low charge injection (5pC) minimizes settling time errors.
The most referenced page of the TSC-407 datasheet is the pin configuration diagram. For a typical 16-pin SOIC package:
| Pin | Name | Description | | :--- | :--- | :--- | | 1 | IN1 | Logic control input for switch 1 | | 2 | D1 | Drain (common) terminal of switch 1 | | 3 | S1A | Source terminal A (NO – Normally Open) | | 4 | S1B | Source terminal B (NC – Normally Closed) | | 5 | GND | Ground (0V) | | 6 | S4B | Source terminal B of switch 4 | | 7 | S4A | Source terminal A of switch 4 | | 8 | D4 | Drain terminal of switch 4 | | 9 | IN4 | Logic control input for switch 4 | | 10 | V- | Negative supply (connect to GND for single supply) | | 11 | IN3 | Logic control input for switch 3 | | 12 | D3 | Drain terminal of switch 3 | | 13 | S3A | Source terminal A of switch 3 | | 14 | S3B | Source terminal B of switch 3 | | 15 | V+ | Positive supply (+2.0V to +5.5V) | | 16 | IN2 | Logic control input for switch 2 |
Truth Table (per switch):
Manufacturer: Truly Semiconductors (Truly Opto-electronics) Product Type: COB (Chip-on-Board) Segment LCD Module Primary Application: Typically used in industrial control panels, medical devices, and measuring instruments for displaying numerical data and simple icons.
