SSM2141SZ-REEL

Product Overview

Category

The SSM2141SZ-REEL belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in audio applications for balanced line drivers and receivers.

Characteristics

• The SSM2141SZ-REEL is a high-performance, fully differential audio line driver and receiver.
• It operates on a single power supply voltage ranging from 4.5V to 36V.
• This IC offers excellent common-mode rejection ratio (CMRR) and low distortion.
• It is designed to provide high-quality audio signal transmission over long distances.

Package

The SSM2141SZ-REEL is available in a small outline package (SOIC) with 14 pins.

Essence

The essence of the SSM2141SZ-REEL lies in its ability to convert unbalanced audio signals into balanced signals and vice versa, ensuring improved noise rejection and signal integrity.

Packaging/Quantity

The SSM2141SZ-REEL is typically packaged in reels containing a quantity of 250 units.

Specifications

• Supply Voltage Range: 4.5V to 36V
• Operating Temperature Range: -40°C to +85°C
• Input Impedance: 20kΩ
• Output Impedance: 50Ω
• Gain: Adjustable (up to 6dB)
• Total Harmonic Distortion (THD): <0.01%
• Common-Mode Rejection Ratio (CMRR): >80dB
• Output Noise Voltage: 2.5μVrms (typical)

Pin Configuration

The SSM2141SZ-REEL has the following pin configuration:

```

---

| | --| V+ V- |-- --| IN+ IN- |-- --| OUT+ OUT-|-- --| GAIN REF |-- --| NC NC |-- --| VEE VCC |-- |___________| ```

Functional Features

1. Balanced Line Conversion: The SSM2141SZ-REEL converts unbalanced audio signals into balanced signals, reducing noise and interference.
2. High CMRR: With a CMRR of over 80dB, this IC effectively rejects common-mode noise, ensuring clean audio transmission.
3. Low Distortion: The SSM2141SZ-REEL maintains low total harmonic distortion (<0.01%), preserving the audio signal quality.
4. Wide Voltage Range: It operates on a wide supply voltage range (4.5V to 36V), making it suitable for various audio applications.

Advantages and Disadvantages

Advantages

• Excellent common-mode rejection ratio (CMRR)
• Low distortion for high-quality audio transmission
• Wide operating voltage range
• Small package size for space-constrained designs

Disadvantages

• Limited gain adjustment range (up to 6dB)
• Higher cost compared to some alternative models

Working Principles

The SSM2141SZ-REEL works by utilizing differential amplifiers to convert unbalanced audio signals into balanced signals. It employs internal circuitry to reject common-mode noise and maintain signal integrity. The IC also provides adjustable gain control to accommodate different audio input levels.

Detailed Application Field Plans

The SSM2141SZ-REEL finds application in various audio systems, including: 1. Professional audio equipment 2. Audio mixers and consoles 3. Public address (PA) systems 4. Studio recording and broadcasting equipment 5. Home theater systems

Alternative Models

For those seeking alternatives to the SSM2141SZ-REEL, the following models can be considered: 1. INA134P - A similar fully differential audio line driver and receiver with adjustable gain. 2. DRV134PA - Another balanced line driver and receiver IC with adjustable gain and low distortion. 3. SSM2142PZ - A dual-channel version of the SSM2141SZ-REEL, suitable for stereo audio applications.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

Word count: 536 words