Overview
The TL052AIDR is a part 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 TL052AIDR offers high precision with on-chip Zener trimming of offset voltage, resulting in low input offset voltages as low as 1.5 mV. This makes them highly suitable for dc-coupled applications requiring high accuracy.
The TL05x devices are pin-compatible with the TL07x and TL08x, allowing for easy upgrades in existing circuits or optimal performance in new designs. They combine the high input impedance of JFET-input transistors with the output drive capabilities of bipolar amplifiers, 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) | 25°C, VCC± = ±5 V | mV | 0.55 | 2.8 | 3.5 |
| Input Offset Voltage (VIO) | Full range, VCC± = ±5 V | mV | 3.8 | 2.6 | 4.5 |
| Input Offset Current (IIO) | 25°C, VO = 0, VIC = 0 | pA | 4 | 100 | 100 |
| Input Bias Current (IIB) | 25°C, VO = 0, VIC = 0 | pA | 20 | 200 | 200 |
| Common-Mode Input Voltage (VICR) | 25°C, VCC± = ±5 V | V | -1 | - | 4 |
| Common-Mode Rejection Ratio (CMRR) | 25°C, VIC = VICRmin, VO = 0 | dB | 65 | 85 | 93 |
| Supply Current (ICC) | 25°C, VO = 0, No load | mA | 2.6 | 3.2 | 3.2 |
| Positive Slew Rate (SR+) | 25°C, RL = 2 kΩ, CL = 100 pF | V/μs | 11 | 13 | 16 |
| Negative Slew Rate (SR-) | 25°C, RL = 2 kΩ, CL = 100 pF | V/μs | 11 | 13 | 18 |
| Operating Free-Air Temperature (TA) | - | °C | -40 | - | 85 |
Key Features
- High Precision: On-chip Zener trimming of offset voltage results in low input offset voltages as low as 1.5 mV.
- High Input Impedance: JFET-input transistors provide inherently higher input impedance, making them suitable for interfacing with high-impedance sensors or very low-level ac signals.
- Improved AC Response: Better ac response compared to other BiFET operational amplifiers.
- Pin Compatibility: Pin-compatible with TL07x and TL08x, allowing for easy upgrades in existing circuits.
- Low Power Consumption: Improved bandwidth and slew rate without increased power consumption.
- Wide Operating Temperature Range: Operates over a temperature range of -40°C to 85°C.
Applications
- High-Impedance Sensor Interfaces: Ideal for interfacing with high-impedance sensors due to their high input impedance.
- Low-Level Signal Amplification: Suitable for amplifying very low-level ac signals.
- DC-Coupled Applications: High precision makes them suitable for dc-coupled applications requiring high accuracy.
- Audio and Instrumentation Equipment: Used in audio and instrumentation equipment where high fidelity and low noise are critical.
- Medical Devices: Can be used in medical devices that require precise signal amplification.
Q & A
- What is the input offset voltage of the TL052AIDR?
The input offset voltage of the TL052AIDR is as low as 0.55 mV at 25°C and VCC± = ±5 V.
- What is the operating temperature range of the TL052AIDR?
The operating temperature range is -40°C to 85°C.
- What is the common-mode rejection ratio (CMRR) of the TL052AIDR?
The CMRR is typically 85 dB at 25°C, VIC = VICRmin, and VO = 0.
- What is the supply current of the TL052AIDR?
The supply current is typically 3.2 mA at 25°C with no load.
- Is the TL052AIDR pin-compatible with other operational amplifiers?
Yes, it is pin-compatible with the TL07x and TL08x families of operational amplifiers.
- What are the typical slew rates of the TL052AIDR?
The positive slew rate is typically 13 V/μs, and the negative slew rate is typically 13 V/μs at unity gain.
- What is the input resistance of the TL052AIDR?
The input resistance is typically 10^12 Ω at 25°C.
- What is the input capacitance of the TL052AIDR?
The input capacitance is typically 10 pF at 25°C.
- Can the TL052AIDR be used in low-voltage systems?
Yes, the TL052AIDR is fully specified for operation in low-voltage and/or single-supply systems.
- What are some common applications of the TL052AIDR?
Common applications include high-impedance sensor interfaces, low-level signal amplification, dc-coupled applications, audio and instrumentation equipment, and medical devices.
