SSM2306-EVALZ 评估板

The SSM2306 is a fully integrated, high efficiency, Class-D stereo audio amplifier designed to maximize performance for portable applications. The application circuit requires minimum external components and operates from a single 2.5 V to 5.0 V supply. It is capable of delivering 2 W of continuous output power with less than 10% THD + N driving a 4 Ω load from a 5.0 V supply.

The SSM2306 features ultralow idle current, high efficiency, and a low noise modulation scheme. It operates with >87% efficiency at 1.4 W into 8 Ω from a 5.0 V supply and has a signal-to-noise ratio (SNR) that is better than 96 dB. PDM modulation offers lower EMI radiated emissions compared to other Class-D architectures.

The SSM2306 has a micropower shutdown mode with a typical shutdown current of 20 nA. Shutdown is enabled by applying a logic low to the SD pin.

The architecture of the device allows it to achieve a very low level of pop and click to minimize voltage glitches at the output during turn-on and turn-off, thereby reducing audible noise on activation and deactivation. The fully differential input of the SSM2306 provides excellent rejection of common-mode noise on the input. Input coupling capacitors can be omitted if the dc input common-mode voltage is approximately VDD/2.

The SSM2306 also has excellent rejection of power supply noise, including noise caused by GSM transmission bursts and RF rectification.

The SSM2306 has a preset gain of 18 dB that can be reduced by using external resistors.

The SSM2306 is specified over the commercial temperature range (−40°C to +85°C). It has built-in thermal shutdown and output short-circuit protection. It is available in a 16-lead, 3 mm × 3 mm lead frame chip scale package (LFCSP).

应用
技术特性
功能框图

Functional Block Diagram for SSM2306

芯片引脚定义图

技术指标
Output Power (W) 2W Supply Current 6.5mA
SSM2306 芯片订购指南
产品型号 产品状态 封装 引脚 温度范围
SSM2306-EVALZ 量产 评估板   工业
SSM2306-MINI-EVALZ 量产 评估板   工业
SSM2306CPZ-REEL 量产   16 工业
SSM2306CPZ-REEL7 量产   16 工业
应用技术支持与电子电路设计开发资源下载
  1. ADC音频放大器系列SSM2306 数据手册DataSheet 下载 . pdf
  2. Advantiv 高级电视解决方案 . pdf
  3. Analog Devices, Inc. 美国模拟器件公司产品订购手册 .pdf
  4. ADI 美国模拟器件公司音频放大器选型指南 . pdf