AD1990: 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成，该器件实现了突破性性能。除了具有出色的音频性能外，创新的Σ-Δ架构还可以实现最小的辐射与传导电磁干扰（EMI）以及射频（RF）辐射。
AD1994: 2 × 25W (1 × 50W)应用
输出功率
AD1990: 2 × 5W
AD1992: 2 ×
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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成，该器件实现了突破性性能。除了具有出色的音频性能外，创新的Σ-Δ架构还可以实现最小的辐射与传导电磁干扰（EMI）以及射频（RF）辐射。
AD1994: 2 × 25W (1 × 50W)应用
输出功率
AD1990: 2 × 5W
AD1992: 2 × 10W
| Part# | Output Power (W) | Efficiency (%) | Dynamic Range (dB) | SNR (dB) | THD+N (dB) | Pos Supply | Supply Current | Price* (1000-4999) |
|---|---|---|---|---|---|---|---|---|
| AD1990 | 5 | 84 | 102 | 102 | -90 | +8V to +12V | 30mA | - |
| ADAU1513 | 23 | 90 | 96 | 96 | - | +9V to +18V | 40mA | $2.15 |
| ADAU1590 | 15.5 | 90 | 101 | 101 | - | +9V to +15V | 65mA | $2.24 |
| ADAU1592 | 18 | 87 | 101 | 101 | -85 | +9V to +18V | 44mA | $2.37 |
| SSM2301 | 1.4 | 85 | - | 98 | - | +2.5V to +5V | 4.2mA | $0.45 |
| SSM2302 | 2 | 85 | - | 98 | -67 | +2.5V to +5V | - | $0.92 |
| SSM2304 | 2 | 85 | - | 102 | -67 | +2.5V to +5V | 7mA | $0.81 |
| SSM2305 | 2.8 | 89 | - | 98 | +-94 | +2.5V to +5.5V | 3.3mA | $0.60 |
| SSM2306 | 2 | 87 | - | 96 | - | +2.5V to +5V | 6.5mA | $0.99 |
| SSM2311 | 3 | 85 | - | 98 | -67 | +2.5V to +5.5V | 4.2mA | $0.73 |
| SSM2315 | 3 | 93 | - | 103 | - | +2.5V to +5.5V | 3.3mA | $0.82 |
| SSM2317 | 3 | 93 | - | 93 | - | +2.5V to +5.5V | 4.07mA | $0.91 |
| SSM2319 | 3 | 90 | - | 98 | - | +2.5V to +5.5V | 3.7mA | $0.90 |
| SSM2335 | 3 | 93 | - | 96 | - | +2.5V to +5.5V | 3.63mA | $0.63 |
* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S.
Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.
