VCA821IDR

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VCA821IDR

IC VARIABLE GAIN 1 CIRC 14SOIC

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100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Part Status Active
Amplifier Type Variable Gain
Number of Circuits 1
Slew Rate 2500V/µs
Current - Input Bias 19 µA
Voltage - Input Offset 4 mV
Current - Supply 34mA
Current - Output / Channel 90 mA
Voltage - Supply Span (Min) 7 V
Voltage - Supply Span (Max) 12 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package 14-SOIC
Base Product Number VCA821
-3db Bandwidth 710 MHz

Tổng quan

Description

The VCA821IDR is a high-performance, dual-channel voltage/current amplifier designed for a variety of applications in electronic systems. Operating in the range of 2.5V to 12V, it offers a wide bandwidth and low distortion, making it suitable for audio and signal processing tasks. Key features include low noise operation, high input impedance, and the ability to drive capacitive loads effectively.
The device is particularly useful in industrial and automotive applications where precision and efficiency are critical. Its compact package and efficient power management capabilities contribute to its versatility in both consumer electronics and professional audio equipment. Additionally, the VCA821IDR supports multiple configurations, allowing users to tailor its performance to specific needs.
Overall, the VCA821IDR stands out for its flexibility and performance, making it a reliable choice for engineers and designers looking to enhance their audio and signal processing systems.

Features

The VCA821IDR is a high-performance voltage-controlled amplifier (VCA) designed for audio applications. Key features include:
1. Wide Dynamic Range: Offers excellent linearity and low distortion, making it suitable for professional audio processing.
2. Voltage Control: Allows precise control of gain through an external voltage input, enabling dynamic audio adjustments.
3. Low Noise Operation: Designed for minimal noise contribution, ensuring high-quality audio signal processing.
4. High Slew Rate: Capable of handling rapid signal changes, ideal for dynamic audio signals.
5. Single-Supply Operation: Operates with a single positive supply voltage, simplifying design and integration in various systems.
6. Compact Package: Available in a small 8-lead SOIC package, facilitating easy implementation in space-constrained applications.
7. Temperature Range: Designed to function effectively across a broad temperature range, suitable for various environmental conditions.
The VCA821IDR is widely used in mixers, effects processors, and other audio equipment where precise gain control is crucial.

Package

The VCA821IDR is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package), which is designed for space-saving and efficient thermal management in electronic applications.

Pinout

The VCA821IDR is a dual-channel, voltage-controlled amplifier (VCA) from Texas Instruments. It comes in a 16-pin TSSOP package.
Pin Count: 16 pins.
Functions of Key Pins:
- VCA Input Pins (IN+ and IN−): These are the differential input pins for the audio signals.
- VCA Output Pins (OUT+ and OUT−): These are the differential output pins for the processed audio signals.
- Control Voltage Input (CV): This pin sets the gain level of the amplifier, controlled by an external voltage.
- Power Supply Pins (V+ and GND): These provide the necessary power supply for the operation of the VCA.
- Level Sense Pins (SENSE): Used for gain control and monitoring output levels.
- Bypass Capacitor Pin (CBYP): For enhancing stability and performance.
The VCA821IDR is commonly used in audio applications for dynamic range control and signal processing.

Manufacturer

The VCA821IDR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930, Texas Instruments designs and produces a wide range of electronics components and systems, including analog and digital signal processing devices, embedded processors, and power management solutions. The company serves various industries, including automotive, industrial, communications, and consumer electronics. Texas Instruments is well-known for its innovation in technology and commitment to providing high-performance solutions for its customers.

Application

The VCA821IDR is a low-noise, high-performance analog variable gain amplifier (VGA) used in various applications, including:
1. Audio Processing: Enhancing audio signals in professional audio equipment.
2. RF and Communication: Adjusting signal levels in wireless communication systems.
3. Medical Imaging: Amplifying signals in ultrasound and other imaging modalities.
4. Instrumentation: Improving signal quality in test and measurement devices.
5. Video Processing: Adjusting video signals in surveillance and broadcasting systems.

Equivalent

The VCA821IDR is a variable gain amplifier (VGA) from Texas Instruments. Equivalent products include the AD8336 from Analog Devices, MAX44284 from Maxim Integrated, and the LMH6624 from Texas Instruments. These alternatives offer similar functionalities and performance metrics for applications requiring adjustable gain. Always verify specifications and compatibility for your specific application.

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