Overview
The TLC272BIDRG4 is a precision dual operational amplifier produced by Texas Instruments. It is part of the TLC272 series, which utilizes Texas Instruments' silicon-gate LinCMOS technology. This technology provides high input impedance, low bias currents, and high slew rates, making the TLC272BIDRG4 ideal for a wide range of applications, including those that require high precision and low noise.
The TLC272BIDRG4 is characterized by its low input offset voltage, low offset voltage drift, and high common-mode rejection ratio. These features make it suitable for applications such as transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage | VO = 1.4 V, VIC = 0, 25°C | 1.1 | 10 | 12 | mV |
| Input Bias Current | VO = 2.5 V, VIC = 2.5 V, 25°C | 0.6 | 60 | pA | |
| Input Offset Current | 25°C | 0.1 | 60 | pA | |
| Common-Mode Input Voltage Range | 25°C | -0.2 | - | 4 | V |
| High-Level Output Voltage | VID = 100 mV, RL = 10 kΩ, 25°C | 3 | - | 3.8 | V |
| Low-Level Output Voltage | VID = -100 mV, IOL = 0, 25°C | 0 | - | 50 | mV |
| Large-Signal Differential Voltage Amplification | VO = 1 V to 6 V, RL = 10 kΩ, 25°C | 7.5 | - | 42 | V/mV |
| Common-Mode Rejection Ratio | VIC = VICRmin, 25°C | 60 | - | 88 | dB |
Key Features
- High Input Impedance: Typically 10^12 Ω, ensuring minimal loading on the input signal.
- Low Input Offset Voltage: Available in various grades, with the TLC272BIDRG4 having an input offset voltage of up to 10 mV.
- Low Noise and High Slew Rate: Approaching the performance of general-purpose BiFET devices.
- ESD Protection: Internal ESD-protection circuits that prevent functional failures up to 2000 V.
- Wide Common-Mode Input Voltage Range: Includes the negative rail, making it suitable for single-supply operation.
- Low Voltage Single-Supply Operation: Ideal for remote and inaccessible battery-powered applications.
- Various Packaging Options: Available in small-outline and chip carrier versions for high-density system applications.
Applications
- Transducer Interfacing: Suitable for interfacing with various transducers due to its high input impedance and low noise.
- Analog Calculations: Can be used in analog computation circuits such as summing amplifiers and integrators.
- Amplifier Blocks: Ideal for general-purpose amplification tasks.
- Active Filters: Used in the design of active filters due to its high slew rate and low noise.
- Signal Buffering: Effective for buffering signals in various analog circuits.
- Battery-Powered Applications: Suitable for remote and inaccessible battery-powered applications due to its low voltage single-supply operation.
Q & A
- What is the typical input offset voltage of the TLC272BIDRG4?
The typical input offset voltage of the TLC272BIDRG4 is 10 mV at 25°C.
- What is the common-mode input voltage range of the TLC272BIDRG4?
The common-mode input voltage range includes the negative rail and extends up to 4 V at 25°C.
- Does the TLC272BIDRG4 have ESD protection?
Yes, the TLC272BIDRG4 incorporates internal ESD-protection circuits that prevent functional failures up to 2000 V.
- What are the typical input bias currents for the TLC272BIDRG4?
The typical input bias current is 0.6 pA at 25°C.
- What is the slew rate of the TLC272BIDRG4?
The slew rate is not explicitly listed, but it approaches the performance of general-purpose BiFET devices, indicating a high slew rate.
- What are the packaging options available for the TLC272BIDRG4?
The device is available in various packaging options, including small-outline and chip carrier versions.
- Can the TLC272BIDRG4 be used in single-supply applications?
Yes, it is suitable for single-supply operation due to its wide common-mode input voltage range and low voltage operation.
- What is the power dissipation rating for the TLC272BIDRG4?
The power dissipation rating varies by package, but for the D package, it is 725 mW at 25°C with a derating factor of 5.8 mW/°C above 25°C.
- Is the TLC272BIDRG4 suitable for battery-powered applications?
Yes, it is ideal for remote and inaccessible battery-powered applications due to its low voltage single-supply operation and low power consumption.
- What is the common-mode rejection ratio (CMRR) of the TLC272BIDRG4?
The CMRR is typically between 60 dB to 88 dB at 25°C.
