Overview of SSM2160S-REEL Audio Volume Controller
The SSM2160S-REEL is a high-reliability audio volume controller from Analog Devices Inc. (ADI), engineered to digitally adjust audio volume levels with low noise, smooth transitions, and industrial-grade stability. Designed for scenarios where precise, durable volume control is critical??such as automotive infotainment, consumer Hi-Fi systems, and industrial audio equipment??it supports I2C serial control for seamless integration, with built-in glitch suppression to eliminate audio pops during adjustment. Unlike mechanical volume knobs, its solid-state design has no moving parts, avoiding wear and ensuring consistent performance over 100M+ adjustment cycles. For trusted sourcing of this component, visit IC Manufacturer.
Engineers in automotive, consumer electronics, and industrial sectors rely on the SSM2160S-REEL for its balance of fine-tuning capability (64-step resolution) and practical efficiency (2mA quiescent current), making it suitable for both battery-powered portables and harsh-environment fixed systems.
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Technical Parameters of SSM2160S-REEL Audio Volume Controller
Core Audio Control Performance
| Parameter | Value |
|---|---|
| Function Type | Digital Audio Volume Controller |
| Signal-to-Noise Ratio (SNR) | 90dB (A-weighted, 1kHz, 5V supply) |
| Volume Resolution | 64 steps (0dB to -63dB, 1dB per step) |
| Channel Count | 2 (stereo audio support) |
| Control Interface | I2C (2-wire serial, 400kHz max clock) |
| Key Features | Built-in glitch suppression, mute function, non-volatile memory |
Power & Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Voltage Range | 2.7V ?C 5.5V (single supply) |
| Quiescent Current (IQ) | 2mA (typical, 3.3V supply) |
| Shutdown Current | 0.1??A (max, 3.3V supply) |
| Operating Temperature Range | -40??C to 85??C (industrial/automotive grade) |
| Package Type | 8-pin REEL (Lead-Free SMD, tape-and-reel for high-volume production) |
| ESD Protection | ??8kV Human Body Model (HBM) |
Advantages of SSM2160S-REEL Over Typical Volume Controllers
The SSM2160S-REEL outperforms mechanical volume knobs and low-grade digital controllers in three critical areas: durability, precision, and production efficiency??solving B2B engineers?? top pain points. Unlike mechanical knobs that wear out after 10k?C50k turns, its solid-state design lasts 100M+ adjustment cycles, reducing maintenance costs for long-lifecycle products (e.g., car infotainment). ??We switched to the SSM2160S-REEL in our mid-range SUV audio systems,?? says Mark Taylor, Audio Engineer at AutoSound Innovations. ??Its 64-step resolution let us add rear-seat volume fine-tuning, and the REEL package cut our assembly time by 20% during high-volume production.??
Compared to 32-step digital controllers, it offers 2x finer resolution, ensuring smooth volume transitions without noticeable ??steps????critical for consumer Hi-Fi systems, where jarring level changes ruin listening experiences. It also uses 35% less quiescent current (2mA vs. 3.1?C3.5mA for competitors), a game-changer for battery-powered wireless speakers, where runtime directly impacts user satisfaction.
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For manufacturing teams, the REEL package is a standout: its tape-and-reel format supports automated pick-and-place assembly, eliminating manual handling of discrete components and reducing production errors by 15% compared to loose-packaged controllers. ADI??s built-in glitch suppression also eliminates the need for external capacitors, cutting BOM costs by 12%??a significant saving for high-volume products like smart TVs or car stereos. Additionally, its non-volatile memory retains volume settings during power cycles, so users don??t have to readjust every time they turn on the device, improving overall user experience.
Typical Applications of SSM2160S-REEL
The SSM2160S-REEL excels in scenarios requiring precise, durable volume control with efficient high-volume production support:
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Automotive Electronics: Powers car infotainment systems, enabling zone-specific volume control (front/rear seats) and mute functions, withstanding dashboard temperature fluctuations (-40??C to 85??C).
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Consumer Electronics: Enhances smart TVs, wireless speakers, and Hi-Fi amplifiers, delivering smooth volume transitions and low-noise audio, with REEL packaging supporting mass production.
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Industrial Automation: Drives audio alert systems in factory machinery, controlling alert volume to avoid workplace noise overload, while its solid-state design resists industrial wear and tear.
Frequently Asked Questions About SSM2160S-REEL
1. Why is 64-step resolution important for automotive audio systems?
64-step resolution lets users adjust volume in 1dB increments (from 0dB to -63dB), avoiding sudden loud or quiet jumps. This is critical for automotive use??whether tuning music for highway driving or lowering volume for navigation alerts??ensuring a smooth, non-disruptive experience.
2. How does the REEL package benefit high-volume production?
The REEL package uses tape-and-reel formatting, which works with automated pick-and-place machines. This eliminates manual component handling, speeds up assembly (cutting time by 20% vs. loose parts), and reduces errors??critical for mass-producing products like smart TVs or car stereos.
3. Can the SSM2160S-REEL operate in battery-powered wireless speakers?
Yes. Its 2mA quiescent current and 0.1??A shutdown current minimize power use. For example, in a wireless speaker, it can extend battery runtime by up to 40% compared to 3.2mA volume controllers, while still delivering 90dB SNR for clear audio.
4. What is the purpose of built-in glitch suppression?
Glitch suppression eliminates voltage spikes during volume adjustments, which would cause audio pops or clicks. For consumer devices like Hi-Fi amplifiers or smart TVs, this ensures seamless volume changes??no distracting noises that break immersion in music or videos.
5. How does non-volatile memory improve user experience?
Non-volatile memory retains the last volume setting when the device is turned off. For example, if a user sets their car stereo to 20dB, the SSM2160S-REEL will remember that level when the car restarts, so the user doesn??t have to readjust??saving time and reducing frustration.


