PGA204AU/1KG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: High precision, low noise, wide bandwidth
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Precision Programmable Gain Amplifier
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: ±2.25V to ±18V
• Gain Range: 0dB to 40dB
• Bandwidth: 10MHz
• Input Offset Voltage: ±0.5mV
• Input Bias Current: ±20nA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The PGA204AU/1KG4 has the following pin configuration:

```

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| | --| V+ OUT |-- Pin 1: Positive Supply Voltage (V+) --| IN- GND |-- Pin 2: Inverting Input (-) --| IN+ GND |-- Pin 3: Non-Inverting Input (+) --| RG GND |-- Pin 4: Gain Setting Resistor (RG) --| GND GND |-- Pin 5: Ground (GND) --| OUT V- |-- Pin 6: Output (OUT) --| V- |-- Pin 7: Negative Supply Voltage (V-) |___________| ```

Functional Features

• Programmable gain allows flexibility in amplification levels
• High precision and low noise ensure accurate signal amplification
• Wide bandwidth enables amplification of high-frequency signals
• Differential inputs provide common-mode rejection
• Rail-to-rail output swing ensures maximum dynamic range

Advantages

• Precise amplification of signals with low distortion
• Wide operating voltage range allows for various power supply configurations
• Small package size enables space-saving designs
• Excellent temperature stability ensures consistent performance in different environments

Disadvantages

• Limited gain range compared to some other programmable gain amplifiers
• Higher cost compared to non-programmable amplifiers

Working Principles

The PGA204AU/1KG4 is a precision programmable gain amplifier designed to accurately amplify analog signals. It utilizes an internal resistor network to set the desired gain level. The input signal is amplified by the selected gain factor and then outputted through the rail-to-rail output stage.

Application Field Plans

The PGA204AU/1KG4 is commonly used in applications that require precise signal amplification, such as:

1. Medical instrumentation
2. Audio equipment
3. Test and measurement devices
4. Industrial control systems
5. Communication systems

Alternative Models

Other alternative models that provide similar functionality to the PGA204AU/1KG4 include:

1. AD8250
2. MCP6S91
3. MAX9939

These models offer comparable features and can be considered as alternatives based on specific application requirements.

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