Overview
The OPA2377AIDGKT is part of the OPA377 family of operational amplifiers produced by Texas Instruments. These wide-bandwidth CMOS amplifiers are designed to offer low noise, low input bias current, and low offset voltage, making them ideal for a variety of applications. The OPA2377 is specifically a dual operational amplifier, available in the VSSOP-8 package, and is optimized for low-voltage, single-supply operations.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 2.2 | 5.5 | V | |
| Input Offset Voltage (VOS) | 0.25 | 1 | mV | |
| Input Bias Current | 0.2 | pA | ||
| Gain-Bandwidth Product (GBW) | 5.5 | MHz | ||
| Slew Rate (SR) | 2 | V/ms | ||
| Quiescent Current per Amplifier (IQ) | 0.76 | 1.05 | 1.2 | mA |
| Operating Temperature Range | -40 | 125 | °C | |
| Thermal Resistance (qJA) | 150 | °C/W |
Key Features
- Low noise: 7.5nV/√Hz at 1kHz
- Low input bias current: 0.2pA
- Low offset voltage: 1mV (max)
- Rail-to-rail output
- Unity-gain stable
- EMI input filtering
- Small packages: VSSOP-8
- Wide supply range: 2.2V to 5.5V
- Excellent power supply rejection ratio (PSRR)
Applications
- Photodiode preamplifier
- Piezoelectric sensor preamplifier
- Sensor signal conditioning
- Audio equipment
- Active filters
- Driving analog-to-digital converters (ADCs)
Q & A
- What is the typical gain-bandwidth product of the OPA2377?
The gain-bandwidth product of the OPA2377 is typically 5.5 MHz.
- What is the input bias current of the OPA2377?
The input bias current of the OPA2377 is typically 0.2 pA.
- What is the operating temperature range of the OPA2377?
The operating temperature range of the OPA2377 is from -40°C to +125°C.
- What are the typical applications of the OPA2377?
The OPA2377 is typically used in photodiode preamplifiers, piezoelectric sensor preamplifiers, sensor signal conditioning, audio equipment, active filters, and driving ADCs.
- What is the quiescent current per amplifier for the OPA2377?
The quiescent current per amplifier for the OPA2377 is typically 0.76 mA.
- Is the OPA2377 unity-gain stable?
Yes, the OPA2377 is unity-gain stable.
- What is the thermal resistance (qJA) of the OPA2377 in a VSSOP-8 package?
The thermal resistance (qJA) of the OPA2377 in a VSSOP-8 package is 150 °C/W.
- What is the slew rate of the OPA2377?
The slew rate of the OPA2377 is typically 2 V/ms.
- What is the noise level of the OPA2377 at 1 kHz?
The noise level of the OPA2377 at 1 kHz is 7.5 nV/√Hz.
- What is the maximum offset voltage of the OPA2377?
The maximum offset voltage of the OPA2377 is 1 mV.
