AD1990 AD1990: D类音频功率放大器– 2 × 5W
停产产品,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
特点
- Integrated Stereo ∑∆ Modulator and Power Stage
- 0.005% THD+N
- 101.5 dB Dynamic Range
- PSRR>65dB
- RDS-ON < 0.3 Ω (per transistor)
- Efficiency >80% @ 5 W/6 Ω
- EMI Optimized Modulator
- On-Off-Mute Pop Noise Suppression
- Short Circuit Protection
- Over-Temperature Protection
- Low Cost DMOS Process
- Package Options: 64-LFCSP
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技术指标
- Output Power (W):5W
- Efficiency (%):
84%
- Dynamic Range (dB):
102dB
- SNR (dB):
102dB
- THD+N (dB):
-90dB
- Pos Supply:
+8V to +12V
- Supply Current:
30mA
功能框图
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订购指南
| 产品型号 |
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 |
|
Evaluation Board |
|
AD1990 应用技术支持与电子电路设计开发资源下载
- 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
