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VCA820 from TI,Texas Instruments

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VCA820

Manufacturer: TI

150MHz BW with linear in dB gain control variable gain amplifier

Partnumber Manufacturer Quantity Availability
VCA820 TI 1 In Stock

Description and Introduction

150MHz BW with linear in dB gain control variable gain amplifier The VCA820 is a high-performance, wideband, voltage-controlled amplifier (VCA) manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Bandwidth:** 150 MHz (Gain = 2 V/V)  
- **Gain Range:** -2 V/V to +20 V/V (adjustable via external resistor)  
- **Gain Control:** Linear in dB (40 dB/V typical)  
- **Slew Rate:** 900 V/µs  
- **Noise Figure:** 8.2 nV/√Hz (input-referred)  
- **Supply Voltage Range:** ±5 V to ±12 V  
- **Quiescent Current:** 20 mA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** SOIC-14, TSSOP-14  

### **Descriptions:**  
The VCA820 is a DC-coupled, voltage-controlled gain amplifier designed for high-speed signal processing applications. It provides precise gain control with a linear-in-dB response, making it suitable for automatic gain control (AGC), IF/RF signal processing, and medical imaging systems.  

### **Features:**  
- **Wideband Operation:** Supports frequencies up to 150 MHz.  
- **High Slew Rate:** Ensures fast signal response.  
- **Low Distortion:** Maintains signal integrity at high frequencies.  
- **Flexible Gain Control:** Adjustable via an external resistor or voltage.  
- **Differential Inputs:** Supports single-ended or differential configurations.  
- **Power Supply Rejection (PSRR):** Minimizes noise from supply variations.  

For detailed electrical characteristics and application circuits, refer to the official TI datasheet.

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