AD1990ACPZ D类音频功率放大器– 2 × 5W
包括AD1990、AD1992与AD1994在内的AD199x系列放大器将一个立体声Σ-Δ调制器和立体声“桥接”式负载(BTL)功率级集成到单芯片上。AD199x放大器提供高保真音响质量(总谐波失真(THD )<0.005 %,信噪比(SNR) > 105 dB;电源抑制比(PSRR) > 65 dB),同传统的线性放大器相比,散热降低至少50 %。通过将Σ-Δ调制器与桥驱动电路以及大功率输出级相集
AD1990ACPZ 特点
- Integrated Stereo ∑ Modulator and Power Stage
- 0.005% THD+N
- 101.5 dB Dynamic Range
- PSRR>65dB
- RDS-ON < 0.3 Ohm (per transistor)
- Efficiency >80% @ 5 W/6 Ohm
- EMI Optimized Modulator
- On-Off-Mute Pop Noise Suppression
- Short Circuit Protection
- Over-Temperature Protection
- Low Cost DMOS Process
- Package Options: 64-LFCSP
AD1990ACPZ 功能框图
![](images/AD1990_fbs.gif)
其他图表
AD1990ACPZ 技术指标
Output Power (W) |
5W |
THD+N (dB) |
-90dB |
Efficiency (%) |
84% |
Pos Supply |
+8V to +12V |
Dynamic Range (dB) |
102dB |
Supply Current |
30mA |
SNR (dB) |
102dB |
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AD1990ACPZ 芯片订购指南
产品型号 |
Temperature Range |
封装 |
Package Option |
AD1990ACPZ |
-40°C to +85°C |
64-Lead Lead Frame Chip Scale Package (LFCSP_VQ) |
CP-64-3 |
AD1990ACPZRL |
-40°C to +85°C |
64-Lead Lead Frame Chip Scale Package (LFCSP_VQ), 13” Tape and Reel |
CP-64-3 |
AD1990ACPZRL7 |
-40°C to +85°C |
64-Lead Lead Frame Chip Scale Package (LFCSP_VQ), 7” Tape and Reel |
CP-64-3 |
EVAL-AD1990EB |
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Evaluation Board |
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AD1990ACPZ 应用技术支持与电子电路设计开发资源下载
- ADC音频放大器系列AD1990 数据手册DataSheet 下载 . PDF
- Advantiv
高级电视解决方案 . PDF
- Analog Devices, Inc. 美国模拟器件公司产品订购手册 .PDF
- ADI 美国模拟器件公司音频放大器选型指南 . PDF