Products > Integrated Circuits (ICs) > Audio ICs > SSM2211S

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Audio Amp Speaker 1CH Mono Class-AB 8Pin SOIC N

  • Package/Case :
  • SOP-8
  • Product Categories :
  • Linear - Amplifiers - Audio
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 1411


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SSM2211S Product Details

The SSM2211S is a high performance audio amplifier that delivers 1 W rms of low distortion audio power into a bridge-connected 8 Ω speaker load (or 1.5 W rms into a 4 Ω load).

The SSM2211S operates over a wide temperature range and is specified for single-supply voltages between 2.7 V and 5.5 V. When operating from batteries, it continues to operate down to 1.75 V. This makes the SSM2211S the best choice for unregulated applications, such as toys and games.

Featuring a 4 MHz bandwidth and distortion below 0.2% total harmonic distortion plus noise (THD + N) at 1 W, superior performance is delivered at higher power or lower speaker load impedance than competitive units. Furthermore, when the ambient temperature is at 25°C, THD + N < 1%, and VS = 5 V on a 4-layer printed circuit board (PCB), the SSM2211S delivers a 1.5 W output.

The low differential dc output voltage results in negligible losses in the speaker winding and makes high value dc blocking capacitors unnecessary. The battery life is extended by using shutdown mode, which typically reduces quiescent current drain to 100 nA.

The SSM2211S is designed to operate over the −40°C to +85°C temperature range. The SSM2211S is available in 8-lead SOIC (narrow body) and LFCSP (lead frame chip scale) surface-mount packages. The advanced mechanical packaging of the LFCSP models ensures lower chip temperature and enhanced performance relative to standard packaging options.

Applications include personal portable computers, hands-free telephones and transceivers, talking toys, intercom systems, and other low voltage audio systems requiring 1 W output power.


  • 1.5 W output with THD + N < 1%
  • Differential bridge-tied load output
  • Single-supply operation: 2.7 V to 5.5 V
  • Functions down to 1.75 V
  • Wide bandwidth: 4 MHz
  • Highly stable phase margin: >80°
  • Low distortion: 0.2% THD + N at 1 W output
  • Excellent power supply rejection


  • Portable computers
  • Personal wireless communicators
  • Hands-free telephones
  • Speaker phones
  • Intercoms
  • Musical toys and talking games

SSM2211S Pinout
(Picture: Pinout)

SSM2211S Block Diagram
(Picture: Diagram)

Technical Parameters

  • Input Type
  • -
  • Output Powertyp | W
  • 1.5
  • THD+N in %typ | %
  • 0.15
  • Efficiency in %typ | %
  • -
  • Vs+min | V
  • 2.7
  • Vs+max | V
  • 5.5
  • Istyp | A
  • -
  • Ishutdowntyp | A
  • -
  • Audio Outputs
  • -
  • IV Sense Available
  • -

SSM2211S Documents

  • SSM2211 Technical Documentation/Data sheet

SSM2211S Related Products

Ratings and Reviews (1)

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  • **ngel***

    alles bestens gelaufen, danke

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Estimated Delivery Time: Dec 02 - Dec 07 days (choose Expedited at checkout).

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  • charge US$0.00 banking fee.
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We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that SSM2211S is the original manufacturer or agent of AD?
We have a professional business development department to strictly test and verify the qualifications of AD original manufacturers and agents. All AD suppliers must pass the qualification review before they can publish their SSM2211S devices; we pay more attention to the channels and quality of SSM2211S products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of SSM2211S chips? Including AD original factory information, Linear - Amplifiers - Audio application, SSM2211S pictures?
You can use Jotrin's intelligent search engine, or filter by Audio Amplifiers ; Class-D Audio Amplifiers category, or find it through Analog Devices, Inc Information page.
Q: Are the AD's SSM2211S price and stock displayed on the platform accurate?
The AD's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for SSM2211S, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of SSM2211S?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the SSM2211S we delivered, we will accept the replacement or return of the SSM2211S only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of SSM2211S.
(3)The SSM2211S is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as SSM2211S datasheet pdf, SSM2211 pin diagram?
Need any After-Sales service, please feel free contact us:

Analog Devices, Inc

Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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