Products > Integrated Circuits (ICs) > Amplifier ICs > SSM2315CBZ-REEL7

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Filterless, High Efficiency, Mono 3 W Class-D Audio Amplifier; No of Pins: 9; Temperature Range: Industrial

  • Package/Case :
  • WLCSP-9
  • Product Categories :
  • Audio Amplifiers ; Class-D Audio Amplifiers
  • RoHs Status:
  • Rohs
  • In-stock:
  • 10109


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SSM2315CBZ-REEL7 Product Details

The SSM2315CBZ-REEL7 is a fully integrated, high efficiency, Class-D audioamplifier. It is designed to maximize performance for mobilephone applications. The application circuit requires a minimumof external components and operates from a single 2.5 V to 5.5 Vsupply. It is capable of delivering 3 W of continuous output powerwith <1% THD + N driving a 3 Ω load from a 5.0 V supply.

The SSM2315CBZ-REEL7 features a high efficiency, low noise modulationscheme that requires no external LC output filters. The modulationcontinues to provide high efficiency even at low output power.It operates with 93% efficiency at 1.4 W into 8 Ω or 85% efficiencyat 3 W into 3 Ω from a 5.0 V supply and has an SNR of >103 dB.Spread-spectrum pulse density modulation is used to providelower EMI-radiated emissions compared with other Class-Darchitectures.

The SSM2315CBZ-REEL7 has a micropower shutdown mode with a typicalshutdown current of 20 nA. Shutdown is enabled by applyinga logic low to the SD pin.

The device also includes pop-and-click suppression circuitry.This suppression circuitry minimizes voltage glitches at theoutput during turn-on and turn-off, reducing audible noiseon activation and deactivation.

The fully differential input of the SSM2315CBZ-REEL7 provides excellentrejection of common-mode noise on the input. Input couplingcapacitors can be omitted if the dc input common-mode voltageis approximately VDD/2.

The default gain of the SSM2315CBZ-REEL7 is 6 dB, but users can reduce thegain by using a pair of external resistors.

The SSM2315CBZ-REEL7 is specified over the industrial temperature range of−40°C to +85°C. It has built-in thermal shutdown and outputshort-circuit protection. It is available in a 9-ball, 1.5 mm × 1.5 mmwafer level chip scale package (WLCSP).


  • Filterless Class-D amplifier with Σ-Δ modulation
  • No sync necessary when using multiple Class-D amplifiers from Analog Devices, Inc.
  • 3 W into 3 Ω load and 1.4 W into 8 Ω load at 5.0 V supply with <1% total harmonic distortion (THD + N)
  • 93% efficiency at 5.0 V, 1.4 W into 8 Ω speaker
  • >103 dB signal-to-noise ratio (SNR)
  • Single-supply operation from 2.5 V to 5.5 V
  • 20 nA ultralow shutdown current
  • Short-circuit and thermal protection
  • Available in 9-ball, 1.5 mm × 1.5 mm WLCSP
  • Pop-and-click suppression
  • Built-in resistors reduce board component count
  • Default fixed 6 dB or user adjustable gain setting


  • Mobile phones
  • MP3 players
  • Portable gaming
  • Portable electronics
  • Educational toys

SSM2315CBZ-REEL7 Pinout
(Picture: Pinout)

SSM2315CBZ-REEL7 Block Diagram
(Picture: Diagram)

Technical Parameters

  • Product
  • Class-D
  • Output Type
  • Mono
  • Output Power
  • 4.28 W
  • THD plus Noise
  • 0.004 %
  • Operating Supply Voltage
  • 2.5 V to 5.5 V
  • Supply Current
  • 3.3 mA
  • Maximum Operating Temperature
  • + 85 C
  • Mounting Style
  • Package / Case
  • WLCSP-9
  • Packaging
  • Reel
  • Available Set Gain
  • 6 dB
  • Common Mode Rejection Ratio (Min)
  • 55 dB
  • Input Signal Type
  • Differential
  • Minimum Operating Temperature
  • - 40 C
  • Output Signal Type
  • Differential
  • Supply Type
  • Single
  • Supply Voltage Max
  • 5.5 V
  • Supply Voltage Min
  • 2.5 V

SSM2315CBZ-REEL7 Documents

  • SSM2315 Technical Documentation/Data sheet

SSM2315CBZ-REEL7 Related Products

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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 SSM2315CBZ-REEL7 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 SSM2315CBZ-REEL7 devices; we pay more attention to the channels and quality of SSM2315CBZ-REEL7 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of SSM2315CBZ-REEL7 chips? Including AD original factory information, Audio Amplifiers ; Class-D Audio Amplifiers application, SSM2315CBZ-REEL7 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 SSM2315CBZ-REEL7 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 SSM2315CBZ-REEL7, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Q: What is the process for returns or replacement of SSM2315CBZ-REEL7?
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 SSM2315CBZREEL7 we delivered, we will accept the replacement or return of the SSM2315CBZ-REEL7 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 SSM2315CBZ-REEL7.
(3)The SSM2315CBZ-REEL7 is unused and only in the original unpacked packaging.
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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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