EVAL-SSM3582Z Class-D Audio Amplifiers by Analog Devices

Status: Production
Series: SSM3582A
RoHS: Compliant
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TThe SSM3582A is a fully integrated, high efficiency, digital input stereo Class-D audio amplifier. The device can operate from a single supply and requires only a few external components, significantly reducing the circuit bill of materials.A proprietary, spread spectrum Σ-Δ modulation scheme enables direct connection to the speaker and ensures state-of-the-art analog performance while lowering radiated emissions compared to other Class-D architectures. An optional ultralow electromagnetic interference (EMI) mode significantly reduces radiated emissions above 100 MHz, enabling longer speaker cable lengths. Audio is transmitted digitally to the amplifier, minimizing the possibility of signal corruption in digital environments. The amplifier provides outstanding analog performance, with a 106 dB signal-to-noise ratio and a low 0.004% total harmonic distortion + noise (THD + N).The SSM3582A operates from a single 4.5 V to 16.5 V supply and is capable of delivering 2× 15 W rms continuously into 8 Ω and 4 Ω loads at The pulse code modulation (PCM) audio serial port supports most common protocols, such as I2S, left justified, and time division multiplexing (TDM), and can address up to 16 devices on a single interface, for up to 32 audio playback channels.IC operation is controlled through a dedicated I2C interface. The two ADDRx pins (2×, five-level) define up to 16 individual addresses in I2C and standalone modes and automatically set the default TDM slots attribution.A micropower shutdown mode is triggered by removing the digital audio interface clock, with a typical current of An automatic power-down feature shuts down the amplifier and the digital-to-analog converter (DAC) when no signal is present at the input, minimizing power consumption during digital silence. The device restarts when nonzero data is present at the input. Mute and unmute transitions are pop and click free.The SSM3582A is specified over the commercial temperature range of −40°C to +85°C. The device has built in thermal shutdown and output short-circuit protection, as well as an early thermal warning with programmable gain limiting to maintain operation.The SSM3582A is available in a 40-lead, 6 mm × 6 mm lead frame chip scale package (LFCSP), with a thermal pad to improve heat dissipation.

Prices starting from US$553.30


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Logo for Analog Devices Analog Devices US$553.30
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Logo for Richardson RFPD Richardson RFPD US$553.30
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Features

Digital input stereo, high efficiency Class-D amplifier
Operates from a single 4.5 V to 16.5 V supply
State-of-the-art, proprietary, filterless Σ-Δ modulation
106.5 dB SNR at PO = 8.1 W, RL = 8 Ω, AV = 19 dB, PVDD = 12 V, A weighted
0.004% THD + N at 5 W into 8 Ω
38.5 μV rms output voltage noise, f = 20 Hz to 20 kHz, A weighted, PVDD = 16 V, 8 Ω
Pop and clickless on and off sequence
2× 14.67 W output at 12 V supply to 4 Ω loads at <1% THD + N
2× 14.4 W output at 16 V supply to 8 Ω loads at <1% THD + N
Mono mode for increased maximum output power
1× 49.69 W output at 16 V supply to 2 Ω loads at <1% THD + N
Support for low impedance loads
As low as 3 Ω/5 μH in stereo mode
As low as 2 Ω/5 μH in mono mode
High power efficiency
93.8% efficiency into an 8 Ω load
90.6% efficiency into a 4 Ω load
12.34 mA quiescent current with single 12 V PVDD supply
Single-supply operation with internal LDOs or option to use an external 5 V and 1.8 V supply for lowest power consumption
I2C control and hardware modes with up to 16 pin-selectable slots/addresses
Supported sample rates from 8 kHz to 192 kHz with 24-bit resolution
Multiple PCM audio serial data formats
TDM slave with support for up to 16 devices on a single bus
I2S or left justified slave
Adjustable full-scale output tailored for many PVDD sources
2- and 3-cell Li-Ion batteries
Digital volume control with selectable smooth ramp
Automatic power-down function
Supply monitoring automatic gain control (AGC) function reduces system brownout
Standalone operational mode without I2C
Temperature sensor with 1°C step readout via I2C
Short-circuit, undervoltage, and thermal protection
Thermal early warning
Power-on reset
PVDD sensing ADC
40-lead, 6 mm × 6 mm LFCSP with thermal pad

Alternative Descriptions

SSM3582AZ eval board | Analog Devices
LINEAR ICS - EVALUATION BOARD | Richardson RFPD


Frequently Asked Questions

Where can I find additional details, specifications and documents for a EVAL-SSM3582Z?

Additional datasheets, footprints and schematics for EVAL-SSM3582Z are listed on our Part Details page. You can also find images and similar parts to EVAL-SSM3582Z on this page.

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What category does EVAL-SSM3582Z fall under?

The EVAL-SSM3582Z is listed under Class-D Audio Amplifiers.

Can I view similar or alternative parts?

You can view similar parts to EVAL-SSM3582Z 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 EVAL-SSM3582Z RoHS compliant?

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

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Authorised distributors including Analog Devices and Richardson RFPD have stock available or on a lead time for EVAL-SSM3582Z.

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