Overview
The TLE2062IDR is a dual, low-power JFET-input operational amplifier produced by Texas Instruments. It is part of the TLE206x series, which doubles the bandwidth of the earlier TL06x and TL03x BiFET families without significantly increasing power consumption. This amplifier is fabricated using Texas Instruments' Excalibur process, which results in a lower noise floor compared to earlier generations. The TLE2062IDR is particularly suited for applications requiring high input impedance, low power consumption, and high output drive capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (D) - 8 pins |
| Operating Temperature Range (°C) | -40 to 85 |
| Bandwidth | 2 MHz |
| Supply Current per Channel (Typical) | 290 µA |
| Output Drive Capability | Specified into 100-Ω loads |
| Supply Voltage Range | ±5 V, ±15 V |
Key Features
- Doubles the bandwidth of the TL06x and TL03x operational amplifiers without significantly increasing power consumption.
- Low supply current: 290 µA per channel (typical).
- On-chip offset voltage trimming for improved DC performance.
- High output drive capability, specified into 100-Ω loads.
- Lower noise floor than earlier generations of low-power BiFETs.
- Pin-compatible with other TI BiFETs, allowing for easy upgrade or replacement in existing circuits.
Applications
The TLE2062IDR is suitable for a variety of applications due to its high input impedance, low power consumption, and high output drive capabilities. These include:
- Interfacing with high-impedance sensors or very low-level AC signals.
- Driving transformer loads in modems and other applications requiring good AC characteristics and high output drive.
- DC-coupled applications where precision grades are required.
- Low-voltage and single-supply systems, although LinCMOS families (TLC- and TLV-prefixes) are recommended for such applications.
Q & A
- What is the package type of the TLE2062IDR?
The TLE2062IDR comes in an SOIC (D) package with 8 pins.
- What is the operating temperature range of the TLE2062IDR?
The operating temperature range is -40°C to 85°C.
- What is the bandwidth of the TLE2062IDR?
The bandwidth is 2 MHz.
- How much supply current does the TLE2062IDR typically consume per channel?
The typical supply current per channel is 290 µA).
- What is the output drive capability of the TLE2062IDR?
The TLE2062IDR is specified to drive 100-Ω loads).
- What are the recommended supply voltage ranges for the TLE2062IDR?
The TLE2062IDR is fully specified at ±5 V and ±15 V).
- Why is the TLE2062IDR better suited for high-impedance sensors or low-level AC signals?
The TLE2062IDR is better suited due to its inherently higher input impedance from the JFET-input transistors, without sacrificing the output drive associated with bipolar amplifiers).
- Can the TLE2062IDR be used in single-supply systems?
Yes, but care must be taken to observe common-mode input voltage limits and output swing. DC biasing of the input signal is required, and loads should be terminated to a virtual ground node at mid-supply).
- What is the advantage of using the TLE2062IDR over earlier BiFET generations?
The TLE2062IDR offers a lower noise floor and doubled bandwidth compared to earlier BiFET generations without significantly increasing power consumption).
- Are there any specific considerations when moving from BiFET to CMOS amplifiers?
Yes, particular attention should be paid to slew rate and bandwidth requirements, and output loading when moving from BiFET to CMOS amplifiers).
