Audio Amp Speaker 1-CH Mono/2-CH Stereo 62.4W Class-D 40-Pin LFCSP EP Tray
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SSM3582BCPZ Product Details
The SSM3582BCPZ 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 SSM3582BCPZ 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 SSM3582BCPZ 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 SSM3582BCPZ is available in a 40-lead, 6 mm × 6 mm lead frame chip scale package (LFCSP), with a thermal pad to improve heat dissipation.
- 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
- Mobile computing
- All in one computers
- Portable electronics
- Wireless speakers
|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|
SSM3582 Technical Documentation/Data sheet
SSM3582BCPZ Related Products
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Estimated Delivery Time: Jan 30 - Feb 04 days (choose Expedited at checkout).
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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.
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- Q: What is the process for returns or replacement of SSM3582BCPZ?
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 SSM3582BCPZ we delivered, we will accept the replacement or return of the SSM3582BCPZ 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 SSM3582BCPZ.
(3)The SSM3582BCPZ 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.
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