Overview
The Texas Instruments OPA4388IDR is a quad precision operational amplifier designed to offer high accuracy and performance in various analog applications. Built using CMOS technology, this amplifier features zero-drift, zero-crossover, and true rail-to-rail input and output (RRIO) capabilities. It operates up to a gain bandwidth of 10 MHz and is available in a 14-pin SOIC package, making it suitable for a wide range of high-precision instrumentation and sensor applications.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | OPA4388IDR |
| Package | SOIC-14 |
| Gain Bandwidth | 10 MHz |
| Offset Voltage | ±0.25 µV |
| Drift | ±0.005 µV/°C |
| Noise | 7.0 nV√Hz at 1 kHz |
| Supply Voltage | Single: 2.5 V to 5.5 V, Dual: ±1.25 V to ±2.75 V |
| Operating Temperature Range | -40°C to 125°C |
| Input/Output | True Rail-to-Rail |
| EMI/RFI | Filtered inputs |
Key Features
- Ultra-low offset voltage: ±0.25 µV
- Zero drift: ±0.005 µV/°C
- Zero crossover: 140-dB CMRR true RRIO
- Low noise: 7.0 nV√Hz at 1 kHz
- No 1/f noise: 140 nV PP (0.1 Hz to 10 Hz)
- Fast settling: 2 µs (1 V to 0.01%)
- True rail-to-rail input and output
- EMI/RFI filtered inputs
Applications
The OPA4388IDR is ideal for high-precision instrumentation and sensor applications. It is particularly suited for driving high-precision analog-to-digital converters (ADCs) or buffering the output of high-resolution digital-to-analog converters (DACs). Other applications include medical devices, industrial control systems, and any scenario requiring high accuracy and low noise in analog signal processing.
Q & A
- What is the gain bandwidth of the OPA4388IDR? The gain bandwidth of the OPA4388IDR is 10 MHz.
- What is the offset voltage of the OPA4388IDR? The offset voltage is ±0.25 µV.
- What is the drift specification of the OPA4388IDR? The drift is ±0.005 µV/°C.
- What is the noise level of the OPA4388IDR at 1 kHz? The noise level is 7.0 nV√Hz at 1 kHz.
- What are the supply voltage ranges for the OPA4388IDR? The supply voltage ranges are single: 2.5 V to 5.5 V, and dual: ±1.25 V to ±2.75 V.
- What is the operating temperature range of the OPA4388IDR? The operating temperature range is -40°C to 125°C.
- Does the OPA4388IDR have true rail-to-rail input and output? Yes, it does.
- What kind of input filtering does the OPA4388IDR have? The OPA4388IDR has EMI/RFI filtered inputs.
- What package types are available for the OPA4388IDR? The OPA4388IDR is available in SOIC-14 and TSSOP-14 packages.
- What are some typical applications for the OPA4388IDR? Typical applications include high-precision instrumentation, sensor applications, medical devices, and industrial control systems.
