OPA145IDGKR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics: High precision, low noise, rail-to-rail output, low power consumption
• Package: VSSOP-8
• Essence: The OPA145IDGKR is a high-performance operational amplifier designed for various applications requiring precision amplification.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: ±1.5V to ±6V
• Input Offset Voltage: ±0.2mV (maximum)
• Input Bias Current: ±0.3nA (maximum)
• Gain Bandwidth Product: 10MHz
• Slew Rate: 7V/µs
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA145IDGKR has the following pin configuration:

___________ OUT | 1 8 | V+ IN- | 2 7 | NC IN+ | 3 6 | V- GND | 4 5 | NC ‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• High precision amplification: The OPA145IDGKR provides accurate amplification with a low input offset voltage and bias current.
• Low noise: It offers a low noise profile, making it suitable for sensitive applications.
• Rail-to-rail output: The operational amplifier can drive signals close to the supply rails, maximizing dynamic range.
• Low power consumption: The OPA145IDGKR operates with low power requirements, making it energy-efficient.

Advantages and Disadvantages

Advantages: - High precision amplification - Low noise performance - Rail-to-rail output capability - Low power consumption

Disadvantages: - Limited supply voltage range (±1.5V to ±6V) - Moderate gain bandwidth product (10MHz)

Working Principles

The OPA145IDGKR is based on a differential amplifier configuration, where the input signal is amplified by the difference between the voltages at the IN+ and IN- pins. The amplified output is then provided at the OUT pin. The operational amplifier operates within the specified supply voltage range and amplifies the input signal with high precision and low noise.

Detailed Application Field Plans

The OPA145IDGKR can be used in various applications that require precision amplification, such as:

1. Medical Devices: ECG amplification, blood pressure monitoring
2. Industrial Automation: Sensor signal conditioning, process control
3. Audio Systems: Microphone preamplifiers, audio mixers
4. Test and Measurement Equipment: Signal amplification, data acquisition
5. Communication Systems: Baseband amplification, filter circuits

Detailed and Complete Alternative Models

1. OPA140IDGKT: Similar specifications, available in a different package (MSOP-8)
2. OPA141IDBVT: Lower power consumption, lower gain bandwidth product, available in SOT-23 package
3. OPA170IDBVR: Higher gain bandwidth product, rail-to-rail input/output, available in SOT-23 package

These alternative models offer similar functionality and can be considered based on specific application requirements.

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