Overview
The TS27L2CDT is a low-cost, low-power dual operational amplifier produced by STMicroelectronics. It is designed to operate with single or dual supplies and utilizes the ST silicon gate CMOS process, offering an excellent consumption-speed ratio. This amplifier is particularly suited for low-power consumption applications and is available in various packages, including SO-8 and TSSOP-8L.
The TS27L2 series, which includes the TS27L2CDT, offers three different power consumption options: 10µA/amp for the TS27L2 (very low power), 150µA/amp for the TS27M2 (low power), and 1mA/amp for the TS272 (standard power).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 3 to 16 | V |
| Input Offset Voltage | 0.25 to 12 | mV |
| Input Offset Current | ±1 to ±200 | pA |
| Input Bias Current | ±1 to ±300 | pA |
| High Level Output Voltage | 8.6 to 9 | V |
| Low Level Output Voltage | 50 | mV |
| Large Signal Voltage Gain | 40 to 100 | V/mV |
| Gain Bandwidth Product | 0.1 | MHz |
| Common Mode Rejection Ratio | 65 to 80 | dB |
| Supply Voltage Rejection Ratio | 60 to 80 | dB |
| Supply Current (per amplifier) | 10 to 18 | µA |
| Output Short Circuit Current | 60 | mA |
| Output Sink Current | 45 | mA |
| Slew Rate at Unity Gain | 0.04 | V/µs |
| Phase Margin at Unity Gain | - | - |
| Operating Temperature Range | -40 to +125 | °C |
| Package | SO-8, TSSOP-8L | - |
Key Features
- Very Low Power Consumption: 10µA per amplifier, making it ideal for low-power applications.
- Excellent Phase Margin on Capacitive Loads: Ensures stable operation with capacitive loads.
- Output Voltage Can Swing to Ground: Allows for maximum output voltage range.
- Three Input Offset Voltage Selections: Provides flexibility in choosing the appropriate offset voltage for the application.
- Stable and Low Offset Voltage: Offers reliable and consistent performance.
- High Input Impedance and Low Input Currents: Minimizes the impact on the input signal and reduces power consumption.
- Low Input Currents Drift with Temperature: Ensures consistent performance over a wide temperature range.
Applications
The TS27L2CDT is suitable for a variety of applications where low power consumption and high performance are critical. These include:
- Industrial automation and control systems.
- Automotive electronics, such as sensor interfaces and control circuits.
- Consumer electronics, including battery-powered devices and portable equipment.
- Medical devices that require low power and high accuracy.
- Telecommunication equipment where power efficiency is essential.
Q & A
- What is the typical supply current for the TS27L2CDT?
The typical supply current for the TS27L2CDT is 10µA per amplifier.
- What is the operating temperature range for the TS27L2CDT?
The operating temperature range for the TS27L2CDT is -40°C to +125°C.
- What are the available packages for the TS27L2CDT?
The TS27L2CDT is available in SO-8 and TSSOP-8L packages.
- What is the input offset voltage range for the TS27L2CDT?
The input offset voltage range for the TS27L2CDT is 0.25 to 12 mV.
- Can the output voltage of the TS27L2CDT swing to ground?
- What is the gain bandwidth product of the TS27L2CDT?
The gain bandwidth product of the TS27L2CDT is 0.1 MHz.
- What is the common mode rejection ratio of the TS27L2CDT?
The common mode rejection ratio of the TS27L2CDT is 65 to 80 dB.
- Is the TS27L2CDT RoHS compliant?
- What are some typical applications for the TS27L2CDT?
The TS27L2CDT is typically used in industrial automation, automotive electronics, consumer electronics, medical devices, and telecommunication equipment.
- How does the TS27L2CDT compare to JFET devices in terms of input current drift with temperature?
The TS27L2CDT has a very low input current drift with temperature compared to JFET devices.
