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TAS5421-Q1是一款单声道数字音频放大器,非常适用于汽车类紧急呼叫(eCall),车载通讯,仪表板和信息娱乐应用。该器件采用14.4 VDC汽车电池供电,可在负载为4Ω且THD + N不超过10%的情况下提供高达22W的功率。该器件具有较宽的工作电压范围和优异的效率,是需要起停止持或使用备用电池运行时的理想选择。集成的负载突降保护能够缩减外部电压钳位电路的成本与尺寸,板载负载诊断功能能够通过I 2 C报告扬声器状态。
所有商标均为他们各自的所有者。
Audio Input Type |
Architecture |
Speaker Channels (Max) |
Power Stage Supply (Min) (V) |
Power Stage Supply (Max) (V) |
Output Power (W) |
Load (Min) (ohms) |
SNR (dB) |
THD + N @ 1 kHz (%) |
Iq (Typ) (mA) |
Control Interface |
Closed/Open Loop |
Analog Supply (V) (Min) |
Analog Supply (V) (Max) |
Sampling Rate (Max) (kHz) |
PSRR (dB) |
Operating Temperature Range (C) |
Rating |
TAS5421-Q1 | TAS5411-Q1 | TPA3111D1-Q1 | TPA3112D1-Q1 |
---|---|---|---|
Analog Input | Analog Input | Analog Input | Analog Input |
Class-D | Class-D | Class-D | Class-D |
Mono | Mono | Mono | Mono |
4.5 | 4.5 | 8 | 8 |
18 | 18 | 26 | 26 |
22 | 8 | 25 | |
2 | 2 | 4 | 4 |
102 | 102 | ||
0.05 | 0.05 | 0.05 | 0.05 |
16 | 16 | 40 | 40 |
I2C | I2C | Hardware | Hardware |
Closed | Closed | Closed | Closed |
4.5 | 4.5 | 26 | 8 |
18 | 18 | 8 | 26 |
96 | |||
75 | 75 | 70 | 70 |
-40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
Automotive | Automotive | Automotive | Automotive |