Special Purpose Amplifiers Low Pwr,80dB,GainRange,SingleChannel VGA

AD8338ACPZ-R7 – Low Power, 80dB Gain Range, Single-Channel VGA Amplifier – Analog Devices

Optimize your signal processing with the AD8338ACPZ-R7 variable gain amplifier (VGA) from Analog Devices. This high-performance IC delivers precision gain control and low power consumption for demanding applications. PCX ensures genuine Analog Devices components with same-day shipping and dedicated technical support.

Key Features

• Wide Gain Range: 80dB adjustable gain for superior signal conditioning
• Low Power Operation: 3V to 5V supply voltage span for energy-efficient designs
• High Speed: 50V/µs slew rate and 18MHz bandwidth
• Robust Performance: -40°C to 85°C industrial temperature range
• Compact Design: Surface-mount 16-LFCSP (3×3) package

Technical Specifications

This single-channel VGA features a variable gain architecture optimized for linear amplification. The 16-WFQFN exposed pad package (CSP) enables efficient thermal management in space-constrained applications. As an active component in Analog Devices’ instrumentation amplifier portfolio, it provides exceptional noise rejection and stability across its full operating voltage range.

Typical Applications

• Medical imaging and ultrasound equipment
• RF/IF automatic gain control (AGC) systems
• Test and measurement instrumentation
• Industrial sensor signal conditioning
• Communication base stations

About Analog Devices

Analog Devices Inc. (ADI) is a global leader in high-performance analog and mixed-signal ICs. With over 50 years of innovation, ADI sets industry standards for precision, reliability, and signal processing excellence. Their components are rigorously tested for mission-critical applications.

ADI’s commitment to R&D ensures cutting-edge solutions for industrial, automotive, and communication systems. Engineers worldwide trust ADI components for their superior noise performance, power efficiency, and long-term availability – making them ideal for next-generation designs.

About Variable Gain Amplifiers

Variable Gain Amplifiers (VGAs) are essential for dynamic signal conditioning where input levels fluctuate. They provide real-time gain adjustment to maintain optimal signal amplitude, preventing distortion in data acquisition systems. This capability is critical for maintaining signal integrity across changing environmental conditions.

Modern VGAs like the AD8338 series combine precision gain control with low distortion and wide bandwidth. These specialized amplifiers enable sophisticated functions in medical devices, wireless systems, and instrumentation by allowing software-controlled gain scaling without compromising signal quality.

Packaging Options

Available in industry-standard formats to suit your production needs: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® packaging. Contact PCX for reel quantities and kitting services.

Frequently Asked Questions

Q: What is the typical current consumption of this VGA?
A: Typical supply current is 5.5mA at 5V, making it suitable for power-sensitive designs.

Q: Is this IC RoHS compliant?
A: Yes, the AD8338ACPZ-R7 meets all RoHS 3 standards for environmental safety.

Q: Can I use this amplifier for ultrasonic applications?
A: Absolutely. Its 18MHz bandwidth and precision gain control make it ideal for ultrasonic imaging systems.

Q: Does PCX provide design support for this component?
A: Yes, our engineering team offers technical assistance and datasheet analysis.

Q: What is the lead time for this part?
A: Most orders ship same-day from our certified warehouse stock.

Q: How does a VGA differ from a standard op-amp?
A: VGAs provide electronically adjustable gain via analog/digital control signals, whereas standard op-amps require physical resistor changes for gain adjustment.

Download Full Datasheet (Representative image shown)

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