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
PVDD sensing 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 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
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
2
PVDD
ADC
TEMPERATURE
SENSOR
I C
CONTROL
5V LDO
OUTL+
THREE-LEVEL
BSTL+
BSTL–
FULL BRIDGE
Σ-∆
DAC
DAC
POWER STAGE
MODULATOR
OUTL–
VOLUME
BLCK
FSYNC
SDATA
2
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
©2016 Analog Devices, Inc. All rights reserved.
www.analog.com
5秒后页面跳转
NTC热敏电阻与PTC热敏电阻的应用原理及应用范围
GTO与普通晶闸管相比为什么可以自关断？为什么普通晶闸管不能呢？从GTO原理、应用范围带你了解原因及推荐型号
LF353数据手册解读：特性、应用、封装、引脚说明、电气参数及替换型号推荐
A4950资料手册解读：特性、应用、封装、引脚功能、电气参数及代换型号
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
