Overview
The TL052ACDR is a member of the TL05x series of JFET-input operational amplifiers produced by Texas Instruments. These amplifiers are known for their improved DC and AC characteristics compared to the TL07x and TL08x families of BiFET operational amplifiers. The TL052ACDR offers high precision, low offset voltage, and enhanced AC response, making it suitable for a wide range of applications, particularly those requiring high input impedance and low noise.
The TL05x family, including the TL052ACDR, features on-chip Zener trimming of offset voltage, resulting in precision grades as low as 1.5 mV. This ensures greater accuracy in DC-coupled applications. The BiFET process used in these amplifiers provides higher input impedance without sacrificing output drive, making them ideal for interfacing with high-impedance sensors or very low-level AC signals.
Key Specifications
| Parameter | Test Conditions | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | VCC± = ±5 V, 25°C | mV | 0.55 | 2.8 | 3.8 |
| Input Offset Voltage (VIO) | VCC± = ±15 V, 25°C | mV | 0.35 | 1.5 | 1.8 |
| Input Bias Current (IIB) | VCC± = ±5 V, 25°C | pA | 20 | 200 | 200 |
| Input Bias Current (IIB) | VCC± = ±15 V, 25°C | pA | 30 | 200 | 200 |
| Common-Mode Input Voltage Range (VICR) | VCC± = ±5 V, 25°C | V | -1 to 4 | -2.3 to 5.6 | -11 to 11 |
| Large-Signal Differential Voltage Amplification (AVD) | VCC± = ±5 V, RL = 2 kΩ, 25°C | V/mV | 30 | 65 | 129 |
| Positive Slew Rate (SR+) | VCC± = ±5 V, RL = 2 kΩ, CL = 100 pF, 25°C | V/μs | 11 | 13 | 16 |
| Supply Current (ICC) | VCC± = ±5 V, No load, 25°C | mA | 2.6 | 3.2 | 3.2 |
Key Features
- High Precision: On-chip Zener trimming of offset voltage results in precision grades as low as 1.5 mV.
- High Input Impedance: JFET-input transistors provide inherently higher input impedance, suitable for high-impedance sensors or low-level AC signals.
- Enhanced AC Response: Improved bandwidth and slew rate without increased power consumption.
- Low Noise: Low noise floor comparable to the TL07x family.
- Wide Supply Range: Fully specified at ±15 V and ±5 V.
- Pin Compatibility: Pin-compatible with TL07x and TL08x families, allowing for easy upgrades in existing circuits.
Applications
- High-Impedance Sensors: Ideal for interfacing with high-impedance sensors due to its high input impedance.
- Low-Level AC Signals: Suitable for applications involving very low-level AC signals.
- Audio Equipment: Used in audio equipment for its low noise and high fidelity.
- Medical Devices: Applied in medical devices requiring high precision and low noise.
- Industrial Control Systems: Utilized in industrial control systems for accurate signal processing.
Q & A
- What is the input offset voltage of the TL052ACDR?
The input offset voltage (VIO) of the TL052ACDR is typically 1.5 mV at 25°C with VCC± = ±15 V.
- What is the common-mode input voltage range for the TL052ACDR?
The common-mode input voltage range (VICR) is from -11 to 11 V for VCC± = ±15 V at 25°C.
- What is the slew rate of the TL052ACDR?
The positive slew rate (SR+) is typically 13 V/μs at unity gain with RL = 2 kΩ and CL = 100 pF at 25°C.
- What is the supply current of the TL052ACDR?
The supply current (ICC) is typically 3.2 mA with no load at 25°C.
- Is the TL052ACDR pin-compatible with other operational amplifier families?
Yes, the TL052ACDR is pin-compatible with the TL07x and TL08x families of operational amplifiers.
- What are the typical applications of the TL052ACDR?
The TL052ACDR is typically used in applications involving high-impedance sensors, low-level AC signals, audio equipment, medical devices, and industrial control systems.
- How does the TL052ACDR handle single-supply operations?
For single-supply operations, DC biasing of the input signal is required, and loads should be terminated to a virtual-ground node at mid-supply. The TLE2426 integrated virtual ground generator can be useful in such configurations.
- What is the input resistance of the TL052ACDR?
The input resistance is typically 10^12 Ω at 25°C.
- What is the common-mode rejection ratio (CMRR) of the TL052ACDR?
The CMRR is typically 75 dB at 25°C with VICRmin and VO = 0.
- How does the TL052ACDR perform in terms of noise?
The TL052ACDR has a low noise floor comparable to the TL07x family, making it suitable for applications requiring low noise.
