AD8138AR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: High-speed, differential amplifier
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides high-performance amplification for differential signals
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: ±5V to ±15V
• Bandwidth: 200 MHz
• Slew Rate: 2200 V/μs
• Input Offset Voltage: ±1 mV
• Input Bias Current: ±2 μA
• Output Current: ±50 mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AD8138AR has the following pin configuration:

```

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| | --| IN+ OUT+ |-- --| IN- OUT- |-- --| V- V+ |-- --| GND NC |-- |___________| ```

Functional Features

• High-speed differential amplification
• Low distortion and noise
• Wide bandwidth for accurate signal reproduction
• Differential-to-single-ended conversion capability
• Adjustable gain and offset control
• Internal compensation for stability

Advantages

• High-speed performance allows for accurate amplification of fast-changing signals
• Low distortion and noise ensure faithful signal reproduction
• Versatile differential-to-single-ended conversion capability
• Adjustable gain and offset control provides flexibility in signal conditioning
• Internal compensation ensures stability in various operating conditions

Disadvantages

• Limited output current may not be suitable for driving heavy loads
• Requires external power supply for operation
• Higher cost compared to basic operational amplifiers

Working Principles

The AD8138AR is a high-speed differential amplifier that amplifies the voltage difference between its two input pins. It utilizes a combination of internal transistors and resistors to achieve high gain and bandwidth. The amplifier can be configured for differential-to-single-ended conversion by connecting one input pin to a reference voltage. The gain and offset can be adjusted using external resistors.

Application Field Plans

The AD8138AR is commonly used in applications that require high-speed amplification of differential signals, such as:

1. Video transmission systems
2. Communication equipment
3. Instrumentation and measurement devices
4. Medical imaging systems
5. Data acquisition systems

Alternative Models

• AD8138ACPZ: 20-lead LFCSP package, same specifications as AD8138AR
• AD8138ARZ: 8-pin SOIC package, same specifications as AD8138AR
• AD8138ACPZ-R7: RoHS-compliant version of AD8138ACPZ
• AD8138ARZ-R7: RoHS-compliant version of AD8138ARZ

These alternative models offer the same functionality and performance as the AD8138AR but come in different package options to suit specific design requirements.

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