Datasheet > SSM3582

SSM3582

更新时间： 2024-12-02 01:08:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
59页	751K
描述
2Ã, 31.76 W, Digital Input, Filterless Stereo Class-D Audio Amplifier

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SSM3582 数据手册

2×, 31.76 W, Digital Input,

Filterless Stereo Class-D Audio Amplifier

SSM3582

Data Sheet

Supported sample rates from 8 kHz to 192 kHz; 24-bit

FEATURES

resolution

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

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

38.5 μV rms A weighted output noise

Pop/clickless on/off sequence

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

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 ꢀH in stereo mode

As low as 2 Ω/5 ꢀH in mono mode

High power efficiency

93.8% efficiency into an 8 Ω load

Power-on reset

PV_DDsensing ADC

40-lead, 6 mm × 6 mm LFCSP with thermal pad

90.6% efficiency into a 4 Ω load

APPLICATIONS

12.34 mA quiescent current with single 12 V PV_DDsupply

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

Mobile computing

All in one computers

Portable electronics

Wireless speakers

Televisions

FUNCTIONAL BLOCK DIAGRAM

DVDD

DVDD_EN

AVDD AVDD_EN

PVDD

SDA

SCL

ADDR0

ADDR1

DVDD

1.8V LDO

AVDD

PVDD

ADC

TEMPERATURE

SENSOR

I C

CONTROL

5V LDO

OUTL+

THREE-LEVEL

BSTL+

BSTL–

FULL BRIDGE

Σ-∆

DAC

POWER STAGE

MODULATOR

OUTL–

VOLUME

BLCK

FSYNC

SDATA

I S

TDM

INTERFACE

BATTERY

AGC

OUTR+

THREE-LEVEL

Σ-∆

MODULATOR

BSTR+

BSTR–

FULL BRIDGE

POWER STAGE

OUTR–

SSM3582

AGND

PGND

Figure 1.

Rev. 0

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Technical Support

www.analog.com

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