Overview
The TS12A4515DBVR is a single pole/single throw (SPST) CMOS analog switch produced by Texas Instruments. This device is part of the TS12A4515 series, which includes the TS12A4515DBVR package in a SOT-23 (DBV) form factor. The TS12A4515 is normally closed (NC), contrasting with the TS12A4514 which is normally open (NO). These switches are designed for low-voltage, single-supply operation and can handle rail-to-rail analog signals.
The TS12A4515DBVR operates with a single supply voltage ranging from 2 V to 12 V, making it versatile for various applications. It features low ON-state resistance, low leakage currents, and fast switching speeds, which are crucial for high-performance analog switching applications.
Key Specifications
| Parameter | Symbol | Test Conditions | Typical Value | Maximum Value | Unit |
|---|---|---|---|---|---|
| Supply Voltage Range | V+ | -0.3 to 13 V | - | 13 | V |
| Analog Signal Range | VCOM, VNO, VNC | 0 to V+ | - | V+ | V |
| ON-State Resistance (5 V Supply) | ron | VCOM = 3.5 V, ICOM = 1 mA | 15 | 25 | Ω |
| ON-State Resistance (12 V Supply) | ron | VCOM = 10 V, ICOM = 1 mA | 15 | 20 | Ω |
| OFF-Leakage Current (25°C) | INO(OFF), INC(OFF) | VNO or VNC = 4.5 V (5 V Supply), VNO or VNC = 10 V (12 V Supply) | 1 | 10 | nA |
| Turn-On Time (12 V Supply) | tON | - | 80 | 125 | ns |
| Turn-Off Time (12 V Supply) | tOFF | - | 50 | 100 | ns |
| Charge Injection (12 V Supply) | QC | - | -11.5 | - | pC |
| Digital Input Logic High | VIH | - | - | 2.4 (5 V Supply), 5 (12 V Supply) | V |
| Digital Input Logic Low | VIL | - | - | 0.8 | V |
Key Features
- Low ON-State Resistance: The TS12A4515DBVR features low ON-state resistance, ensuring minimal signal attenuation and distortion.
- Low Leakage Currents: Specified low OFF-leakage currents of 1 nA at 25°C and 10 nA at 85°C minimize signal loss.
- Fast Switching Speeds: Fast turn-on and turn-off times of 80 ns and 50 ns, respectively, at a 12 V supply, make it suitable for high-speed applications.
- Wide Supply Voltage Range: Operates with a single supply voltage from 2 V to 12 V, making it versatile for various applications.
- TTL/CMOS-Logic Compatibility: Digital inputs have 0.8-V to 2.4-V logic thresholds, ensuring compatibility with TTL and CMOS logic.
- Low Charge Injection: Low charge injection of -11.5 pC at a 12 V supply reduces signal distortion.
- High Bandwidth: Supports high-frequency signals with a bandwidth of up to 475 MHz.
Applications
- Audio and Video Switching: Suitable for audio and video signal switching due to its low distortion and high bandwidth.
- Medical Devices: Used in medical devices where low leakage and high accuracy are critical.
- Industrial Automation: Applied in industrial automation for reliable and fast signal switching.
- Telecommunications: Utilized in telecommunications equipment for high-speed signal routing.
- Consumer Electronics: Found in consumer electronics such as audio equipment, video switches, and other analog signal processing devices.
Q & A
- What is the supply voltage range for the TS12A4515DBVR?
The supply voltage range for the TS12A4515DBVR is from 2 V to 12 V.
- What is the typical ON-state resistance of the TS12A4515DBVR at a 5 V supply?
The typical ON-state resistance at a 5 V supply is 15 Ω.
- What are the turn-on and turn-off times for the TS12A4515DBVR at a 12 V supply?
The turn-on time is typically 80 ns, and the turn-off time is typically 50 ns.
- Is the TS12A4515DBVR TTL/CMOS-logic compatible?
- What is the maximum OFF-leakage current at 25°C?
The maximum OFF-leakage current at 25°C is 1 nA.
- What is the charge injection at a 12 V supply?
The charge injection at a 12 V supply is -11.5 pC.
- What is the bandwidth of the TS12A4515DBVR?
The bandwidth of the TS12A4515DBVR is up to 475 MHz.
- Is the TS12A4515DBVR suitable for high-frequency applications?
- What are some common applications of the TS12A4515DBVR?
- What is the package type of the TS12A4515DBVR?
