SSM2315CBZ-REEL7

The SSM2315 features a high efficiency, low noise modulation scheme that requires no external LC output filters. The modulation continues to provide high efficiency even at low output power. It operates with 93% efficiency at 1.4 W into 8 Ω or 85% efficiency at 3 W into 3 Ω from a 5.0 V supply and has an SNR of >103 dB. Spread-spectrum pulse density modulation is used to provide lower EMI-radiated emissions compared with other Class-D architectures.

The SSM2315 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 device also includes pop-and-click suppression circuitry. This suppression circuitry minimizes voltage glitches at the output during turn-on and turn-off, reducing audible noise on activation and deactivation.

The fully differential input of the SSM2315 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 default gain of the SSM2315 is 6 dB, but users can reduce the gain by using a pair of external resistors (see the Gain section).

The SSM2315 is specified over the industrial temperature range of −40°C to +85°C. It has built-in thermal shutdown and output short-circuit protection. It is available in a 9-ball, 1.5 mm × 1.5 mm wafer level chip scale package (WLCSP).

SSM2315CBZ-REEL7 应用
SSM2315CBZ-REEL7 特点
SSM2315CBZ-REEL7 功能框图

Functional Block Diagram for SSM2315

芯片引脚定义图

SSM2315CBZ-REEL7 技术指标
Output Power (W) 3W Supply Current 3.3mA
SSM2315 芯片订购指南
产品型号 产品状态 封装 引脚 温度范围
SSM2315-EVALZ 量产 评估板   工业
SSM2315CBZ-REEL 量产   9 工业
SSM2315CBZ-REEL7 量产   9 工业
SSM2315CBZ-REEL7 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SSM2315 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