Overview
The OPA1671IDBVR is a high-performance, low-noise, rail-to-rail input and output audio operational amplifier produced by Texas Instruments. This single-supply amplifier is designed to offer wide bandwidth (13 MHz) and low noise (7 nV/√Hz), making it ideal for various audio and precision applications. The OPA1671 is known for its low distortion and high fidelity, ensuring excellent audio quality.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| AUDIO PERFORMANCE - THD+N | G = 1, f = 1 kHz, VO = 1 VRMS, VS = 5.5 V | 0.00035% | - | - | % |
| AUDIO PERFORMANCE - IMD | G = 1, VO = 1 VRMS, VS = 5.5 V, SMPTE/DIN Two-Tone, 4:1, (60 Hz and 7 kHz) | 0.00158% | - | - | % |
| OUTPUT - Voltage output swing from rail | VS = 5.5 V, RL = 10 kΩ | 10 | 20 | - | mV |
| POWER SUPPLY - Quiescent current per amplifier | IO = 0 mA | 0.94 | 1.3 | - | mA |
| BANDWIDTH | - | - | 13 | - | MHz |
| NOISE DENSITY | - | - | 7 | - | nV/√Hz |
Key Features
- Wide bandwidth of 13 MHz
- Low noise of 7 nV/√Hz
- Rail-to-rail input and output
- Low distortion and high fidelity
- Single-supply operation with a voltage range of 1.7 V to 5.5 V
- Low quiescent current of 1.3 mA per amplifier
- No phase reversal
Applications
The OPA1671IDBVR is suitable for a variety of applications, including:
- Professional audio equipment
- Consumer audio devices
- Medical instruments and diagnostic equipment
- Industrial sensors and precision measuring equipment
- Electret microphone preamplifiers
Q & A
- What is the bandwidth of the OPA1671IDBVR?
The bandwidth of the OPA1671IDBVR is 13 MHz. - What is the noise density of the OPA1671IDBVR?
The noise density of the OPA1671IDBVR is 7 nV/√Hz. - Does the OPA1671IDBVR support rail-to-rail input and output?
Yes, the OPA1671IDBVR supports rail-to-rail input and output. - What is the typical quiescent current per amplifier for the OPA1671IDBVR?
The typical quiescent current per amplifier is 1.3 mA. - What is the voltage range for single-supply operation of the OPA1671IDBVR?
The voltage range for single-supply operation is 1.7 V to 5.5 V. - Is the OPA1671IDBVR prone to phase reversal?
No, the OPA1671IDBVR does not exhibit phase reversal. - What are some common applications of the OPA1671IDBVR?
Common applications include professional and consumer audio equipment, medical instruments, industrial sensors, and electret microphone preamplifiers. - What is the total harmonic distortion plus noise (THD+N) of the OPA1671IDBVR?
The THD+N is 0.00035% under specified conditions. - How does the OPA1671IDBVR perform in terms of intermodulation distortion (IMD)?
The IMD is 0.00158% under specified conditions. - What is the output voltage swing from the rail for the OPA1671IDBVR?
The output voltage swing from the rail is typically 20 mV.
