Overview
The TLE2064AMD is a quad, low-power JFET-input operational amplifier produced by Texas Instruments. It is part of the TLE206x series, which is known for doubling the bandwidth of earlier generation TL06x and TL03x BiFET families without significantly increasing power consumption. This amplifier is fabricated using Texas Instruments' Excalibur process, which provides a lower noise floor compared to its predecessors. The TLE2064AMD is particularly suited for applications requiring high input impedance, low power consumption, and high output drive capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 14-SOIC (D) |
| Pins | 14 |
| Operating Temperature Range (°C) | -55 to 125 |
| Bandwidth | 2 MHz |
| Supply Current per Channel | 290 µA (Typ) |
| Input Offset Voltage | 900 µV |
| Input Bias Current | 4 pA |
| Output Current per Channel | ±80 mA |
| Supply Voltage (Single/Dual) | 7 V ~ 36 V, ±3.5 V ~ 18 V |
| Slew Rate | 3.4 V/µs |
Key Features
- High bandwidth of 2 MHz, doubling that of the TL06x and TL03x series.
- Low supply current of 290 µA per channel (typical).
- On-chip zener trimming of offset voltage for improved DC performance.
- High output drive capable of driving 100-Ω loads at supplies as low as ±5 V.
- Lower noise floor compared to earlier generations of low-power BiFETs.
- Inherently higher input impedance due to JFET-input transistors.
- Pin-compatible with other TI BiFETs, allowing for easy upgrades or power reduction in existing circuits.
Applications
The TLE2064AMD is well-suited for a variety of applications, including:
- Interfacing with high-impedance sensors or very low-level AC signals.
- Driving transformer loads in modems and other applications requiring good AC characteristics, low power, and high output drive.
- DC-coupled applications where precision grades are necessary.
- Low-voltage and single-supply systems, although LinCMOS families (TLC- and TLV-prefixes) are recommended for such cases.
Q & A
- What is the bandwidth of the TLE2064AMD operational amplifier?
The bandwidth of the TLE2064AMD is 2 MHz, which is twice that of the earlier TL06x and TL03x series.
- What is the typical supply current per channel for the TLE2064AMD?
The typical supply current per channel is 290 µA.
- What is the input offset voltage of the TLE2064AMD?
The input offset voltage is 900 µV.
- What is the maximum output current per channel for the TLE2064AMD?
The maximum output current per channel is ±80 mA.
- What is the operating temperature range of the TLE2064AMD?
The operating temperature range is -55°C to 125°C.
- What package types are available for the TLE2064AMD?
The TLE2064AMD is available in a 14-SOIC (D) package.
- Can the TLE2064AMD 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 are some recommended alternatives for low-voltage and/or single-supply systems?
Texas Instruments recommends using LinCMOS families of operational amplifiers (TLC- and TLV-prefixes) for such systems.
- What is the slew rate of the TLE2064AMD?
The slew rate is 3.4 V/µs).
- Is the TLE2064AMD pin-compatible with other TI BiFETs?
Yes, the TLE2064AMD is pin-compatible with other TI BiFETs, allowing for easy upgrades or power reduction in existing circuits).
