Overview
The TL034IDR is a quad, low-power, JFET-input operational amplifier produced by Texas Instruments. It is part of the TL03x series, which offers improved DC and AC characteristics compared to the TL06x family of low-power BiFET operational amplifiers. The TL034IDR is known for its on-chip offset-voltage trimming, resulting in precision grades as low as 1.5 mV, making it suitable for DC-coupled applications. This device is pin-compatible with the TL06x series and is designed for micropower operation, enhancing performance without increasing power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Package Type | SOIC (D) 14-Pin |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | ±5 V to ±15 V |
| Offset Voltage | 1.5 mV (Typical) |
| Power Consumption per Channel | 6.5 mW (Typical) |
| Slew Rate | Higher slew rate without increased power consumption |
| Bandwidth | Improved bandwidth without increased power consumption |
| Input Impedance | High input impedance due to JFET-input transistors |
Key Features
- Direct upgrades for the TL06x low-power BiFETs
- Low power consumption: 6.5 mW per channel (typical)
- On-chip offset-voltage trimming for improved DC performance
- Higher slew rate and bandwidth without increased power consumption
- Available in TSSOP for small form-factor designs
- High input impedance due to JFET-input transistors
- Inherently better AC response compared to bipolar or CMOS devices with comparable power consumption
Applications
The TL034IDR is suitable for a variety of applications, including:
- DC-coupled circuits requiring high precision
- Interfacing with high-impedance sensors or very low-level AC signals
- Micropower operation in battery-powered devices
- Upgrading existing circuits using TL06x series amplifiers
- New designs requiring optimal performance with low power consumption
Q & A
- What is the TL034IDR? The TL034IDR is a quad, low-power, JFET-input operational amplifier produced by Texas Instruments.
- What are the key improvements over the TL06x series? The TL034IDR offers improved DC and AC characteristics, on-chip offset-voltage trimming, and higher slew rates and bandwidth without increased power consumption.
- What is the typical offset voltage of the TL034IDR? The typical offset voltage is 1.5 mV.
- What is the power consumption per channel? The typical power consumption per channel is 6.5 mW.
- What package types are available for the TL034IDR? The TL034IDR is available in a 14-pin SOIC (D) package.
- What is the operating temperature range of the TL034IDR? The operating temperature range is -40°C to 85°C.
- Can the TL034IDR be used with 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.
- What are some recommended alternatives for low-voltage and/or single-supply systems? For such systems, the TI LinCMOS families of operational amplifiers (TLC prefix) are recommended.
- What are the key applications of the TL034IDR? It is suitable for DC-coupled circuits, interfacing with high-impedance sensors, micropower operation, and upgrading existing TL06x series circuits.
- How does the TL034IDR compare to bipolar or CMOS devices? The TL034IDR has inherently better AC response compared to bipolar or CMOS devices with comparable power consumption.
