SSM3302ACPZ Class-D Audio Amplifiers by Analog Devices

Class-D Audio Amplifiers
Status: Production
Series: SSM3302
RoHS: Compliant
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The SSM3302 is a fully integrated, high efficiency, stereo Class-D audio amplifier. The application circuit requires minimal externalcomponents and operates from a single 7 V to 18 V supply. The device is capable of delivering 2 × 10 W of continuous output power into a 4 Ω load (or 2 × 8 W into 8 Ω) with 98 dB. Spread spectrum pulse density modulation (PDM) is used toprovide lower EMI radiated emissions compared with other Class-D architectures. The SSM3302 includes an optional modulation select pin (ultralow EMI emission mode) that significantly reduces the radiated emissions at the Class-D outputs, particularly above 100 MHz. The SSM3302 can pass FCC Class-B emissions testing with an unshielded 20 inch cable using common-mode choke-based filtering.The fully differential input of the SSM3302 provides excellent rejection of common-mode noise on the input. The device also includes a highly flexible gain select pin that only requires one series resistor to choose a gain between 9 dB and 24 dB, with no change to the input impedance. The benefit of this is to improve gain matching between multiple SSM3302 devices within a single application compared with using external resistors to set gain.The SSM3302 includes an integrated voltage regulator thatgenerates a 5 V rail.The SSM3302 has a micropower shutdown mode with a typical shutdown current of 10 μA. Shutdown is enabled by applying a logic low to the SD pin. The device also includes pop-and-click suppression circuitry that minimizes voltage glitches at the output during turn on and turn off, reducing audible noise during activation and deactivation.Other included features to simplify system level integration of the SSM3302 are input low-pass filtering to suppress out-ofband DAC noise interference to the pulse density modulator, fixed input impedance to simplify component selection across multiple platform production builds, and a thermal warning indicator pin.The SSM3302 is specified over the commercial temperaturerange (−40°C to +85°C). It has built-in thermal shutdown andoutput short-circuit protection. It is available in a halide-free,40-lead, 6 mm × 6 mm lead frame chip scale package (LFCSP).

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Prices starting from US$2.80

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RS
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Analog Devices
from US$2.95
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element14
from US$4.46
159
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Farnell
from US$4.26
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Newark Electronics
from US$4.50
28
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Richardson RFPD
from US$4.16
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Features

Filterless stereo Class-D amplifier with Σ-Δ modulation
2 × 10 W into 4 Ω load and 2 × 8 W into 8 Ω load at 12 V supply with <1% total harmonic distortion plus noise (THD + N)
98 dB signal-to-noise ratio (SNR)
Single-supply operation from 7 V to 18 V
Flexible gain adjustment pin from 9 dB to 24 dB
Fixed input impedance of 40 kΩ
See data sheet for additional features

Alternative Descriptions

20W Stereo ClassD Amplifier | Analog Devices
STEREO AUDIO AMPLIFIER, CLASS D, LFCSP | element14
Stereo Audio Amplifier, Class D, Lfcsp | Newark Electronics
Analog Devices, SSM3302ACPZ | RS
AMPLIFIER - SPECIAL PURPOSE | Richardson RFPD

Frequently Asked Questions

Where can I find additional details, specifications and documents for a SSM3302ACPZ?

Additional datasheets, footprints and schematics for SSM3302ACPZ are listed on our Part Details page. You can also find images and similar parts to SSM3302ACPZ on this page.

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What category does SSM3302ACPZ fall under?

The SSM3302ACPZ is listed under Class-D Audio Amplifiers.

Can I view similar or alternative parts?

You can view similar parts to SSM3302ACPZ when available in the Class-D Audio Amplifiers range under the specifications section at the bottom of the details page.

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Is the SSM3302ACPZ RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for SSM3302ACPZ have stock available?

Authorised distributors including Analog Devices, element14, Farnell, Newark Electronics and RS have stock available or on a lead time for SSM3302ACPZ.

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