Overview
The OPA607-Q1, produced by Texas Instruments, is a decompensated, general-purpose CMOS operational amplifier designed for a wide range of applications. This device is part of the OPAx607-Q1 family, which includes the OPA607-Q1 and OPA2607-Q1. It is qualified for automotive applications and meets the AEC-Q100 standards with a temperature grade 1 rating, operating from –40°C to +125°C. The OPA607-Q1 is known for its low noise, high gain-bandwidth product (GBW), and rail-to-rail output, making it suitable for various high-gain and low-voltage applications.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VS+ - VS–) | 2.2 | - | 5.5 | V |
| Operating Temperature Range | –40 | - | 125 | °C |
| Gain Bandwidth Product (GBW) | - | 50 | - | MHz |
| Quiescent Current per Amplifier | - | 900 | 1200 | µA |
| Input Offset Voltage | - | 120 | - | µV |
| Input Offset Drift | - | 1.5 | - | µV/°C |
| Input Bias Current | - | - | 10 | pA |
| Output Voltage Swing from Supply Rails | 8 | - | 12 | mV |
| Open-Loop Output Impedance | - | - | 500 | Ω |
| Short-Circuit Current | - | - | 60 | mA |
Key Features
- AEC-Q100 Qualified: Meets automotive standards with a temperature grade 1 rating from –40°C to +125°C.
- High Gain-Bandwidth Product (GBW): 50 MHz, suitable for high-gain applications.
- Low Noise: 3.8 nV/√Hz, making it ideal for low-noise applications.
- Rail-to-Rail Output (RRO): Output can swing up to 8 mV from the supply rails, maximizing dynamic range.
- Low Quiescent Current: Typical 900 µA per amplifier.
- High-Impedance CMOS Inputs: Ideal for interfacing with high-impedance sensors like piezoelectric transducers.
- Internal ESD Protection: ESD protection circuits on all pins to protect against electrostatic discharge.
- Flexible Supply Voltage: Operates from 2.2 V to 5.5 V, suitable for single-supply and split-supply configurations.
Applications
- DC/DC Converters: Suitable for feedback loops and sensing in DC/DC converters.
- Inverter and Motor Control: Used in control circuits for inverters and motor control systems.
- On-Board Chargers (OBC) and Wireless Chargers: Ideal for charging systems due to its high accuracy and stability.
- e-Turbo: Used in electronic turbocharger systems for precise control and monitoring.
- HVAC Compressor Modules: Suitable for control and sensing in HVAC compressor systems.
- Current Sensing and Transimpedance Amplifiers: Ideal for low-side current sensing and transimpedance amplifier applications.
Q & A
- What is the operating temperature range of the OPA607-Q1?
The OPA607-Q1 operates from –40°C to +125°C.
- What is the gain bandwidth product (GBW) of the OPA607-Q1?
The GBW of the OPA607-Q1 is 50 MHz.
- What is the typical quiescent current of the OPA607-Q1?
The typical quiescent current is 900 µA per amplifier.
- Does the OPA607-Q1 have rail-to-rail output capability?
Yes, the OPA607-Q1 has rail-to-rail output capability, swinging up to 8 mV from the supply rails.
- What is the input offset voltage of the OPA607-Q1?
The typical input offset voltage is 120 µV.
- Is the OPA607-Q1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified for automotive applications.
- What is the input bias current of the OPA607-Q1?
The maximum input bias current is 10 pA.
- Can the OPA607-Q1 drive capacitive loads?
Yes, it can drive up to a nominal capacitive load of 47 pF without special considerations.
- Does the OPA607-Q1 have internal ESD protection?
Yes, it has internal ESD protection circuits on all pins.
- What are some common applications of the OPA607-Q1?
Common applications include DC/DC converters, inverter and motor control, on-board chargers, e-Turbo, HVAC compressor modules, and current sensing.
