Overview
The TS27L4CDT is a low-cost, low-power quad operational amplifier produced by STMicroelectronics. It is designed to operate with single or dual supplies, making it versatile for various applications. The TS27L4 series utilizes the ST silicon gate CMOS process, which provides an excellent consumption-speed ratio, making it ideal for low consumption applications.
This device is part of a family that includes different power consumption options: the TS27L4 with 10 µA/op (very low power), the TS27M4 with 150 µA/op (low power), and the TS274 with 1 mA/op (standard power).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC+) | 3 to 16 | V |
| Input Offset Voltage (Vio) | 1.1 to 12 | mV |
| Input Offset Voltage Drift (DVio) | 2 | µV/°C |
| Input Bias Current (Iib) | 1 to 200 | pA |
| Output Current (Io) | ±30 | mA |
| Operating Temperature Range (Toper) | -40 to +125 | °C |
| Phase Margin at Unity Gain (φm) | 45 | Degrees |
| Package Type | SO-14 | |
| Grade | Industrial | |
| RoHS Compliance Grade | Ecopack3 |
Key Features
- Very low power consumption: 10 µA/op
- Excellent phase margin on capacitive loads
- Output voltage can swing to ground
- Unity gain stable
- Two input offset voltage selections
- Very high input impedance and extremely low input currents
- Low input current drift with temperature
Applications
The TS27L4CDT is ideally suited for low consumption applications across various industries, including:
- Industrial applications
- Automotive applications
- Consumer electronics
Its low power consumption and high input impedance make it particularly useful in battery-powered devices, sensor circuits, and other applications where power efficiency is crucial.
Q & A
- What is the typical power consumption of the TS27L4CDT?
The TS27L4CDT has a very low power consumption of 10 µA per amplifier.
- What are the available package types for the TS27L4CDT?
The TS27L4CDT is available in SO-14 and TSSOP-14 packages.
- What is the operating temperature range for the TS27L4CDT?
The operating temperature range for the TS27L4CDT is -40°C to +125°C.
- Is the TS27L4CDT RoHS compliant?
Yes, the TS27L4CDT is RoHS compliant with an Ecopack3 grade.
- What is the phase margin at unity gain for the TS27L4CDT?
The phase margin at unity gain for the TS27L4CDT is 45 degrees.
- Can the output voltage of the TS27L4CDT swing to ground?
Yes, the output voltage of the TS27L4CDT can swing to ground.
- What is the input bias current of the TS27L4CDT?
The input bias current of the TS27L4CDT is typically 1 to 200 pA.
- Is the TS27L4CDT suitable for high input impedance applications?
Yes, the TS27L4CDT offers very high input impedance and extremely low input currents, making it suitable for high input impedance applications.
- What are the typical applications of the TS27L4CDT?
The TS27L4CDT is typically used in industrial, automotive, and consumer electronics applications where low power consumption is critical.
- How does the TS27L4CDT compare to JFET devices in terms of input current drift with temperature?
The TS27L4CDT has a very low input current drift with temperature compared to JFET devices.
