Products > Integrated Circuits (ICs) > Amplifier ICs > SSM3582BCPZR7
SSM3582BCPZR7 40-WFQFN, CSP
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SSM3582BCPZR7

Audio Amp Speaker 1-CH Mono/2-CH Stereo 62.4W Class-D 40-Pin LFCSP EP T/R

Manufacturer :
Analog Devices, Inc
Package/Case :
40-WFQFN, CSP
Product Categories :
Linear > Amplifier - Audio
Datasheet:
SSM3582BCPZR7 PDF
RoHs Status:
Pb-free Halide free
In-stock:
45

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SSM3582BCPZR7 Product Details

The SSM3582BCPZR7 is a fully integrated, high efficiency, digital input stereo Class-D audio amplifier. It 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 an over 106 dB signal-to-noise ratio and a vanishingly low 0.004% THD + N.

The SSM3582BCPZR7 operates from a single 4.5 V to 16 V supply, and is capable of delivering 2 × 15 W rms continuously into 8 Ω and 4 Ω loads at <1% total harmonic distortion (THD). The efficient modulation scheme maintains excellent power efficiency over a wide range of impedances: 93% into an 8 Ω load and 90% into a 4 Ω load. Optimization of the output pulse maintains performance at impedances as low as 3 Ω/5 μH, enabling its use with extended bandwidth tweeters.

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×, 5-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 <1 μA. A software power-down mode is also available.

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/click free.

The SSM3582BCPZR7 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 SSM3582BCPZR7 is available in a 40-lead, 6 mm × 6 mm lead frame chip scale package (LFCSP), with a thermal pad to improve heat dissipation.

Feature

  • Digital input stereo, high efficiency Class-D amplifier
  • Operates from a single 4.5 V to 16 V supply
  • State-of-the-art, proprietary, filterless Σ-Δ modulation
    • 106.5 dB signal-to-noise ratio
    • 0.004% total harmonic distortion plus noise (THD + N) at 5 W into 8 Ω
    • 38.5 μV rms A weighted output noise
  • Pop/clickless on/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; 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

Applications

  • Mobile computing
  • All in one computers
  • Portable electronics
  • Wireless speakers
  • Televisions

SSM3582BCPZR7 Pinout
(Picture: Pinout)

SSM3582BCPZR7 Block Diagram
(Picture: Diagram)

Technical Parameters

Type Class D Mounting Type Surface Mount
Output Type 2-Channel (Stereo) Operating Temperature -40??C ~ 85??C (TA)
Max Output Power x Channels @ Load 14.4W x 2 @ 8Ohm Supplier Device Package 40-LFCSP-WQ (6x6)
Voltage Supply 1.8V, 5V Package / Case 40-WFQFN Exposed Pad, CSP
Features Depop, Short-Circuit and Thermal Protection

SSM3582BCPZR7 Documents

  • SSM3582 Technical Documentation/Data sheet

SSM3582BCPZR7 Related Products

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