Type C耳机声卡芯片

ALC4040 是Type C耳机声卡芯片，ALC5686对比 ALC4040 24bit 96khz 性能更好;100DB SNR 80DB THD，ALC5686比ALC4040最低功耗及底噪。单声道ADC麦克风前置功放Booster;PLL，调节器和USB收发器。ALC4040是可编程的通过跳线针脚或外部EEPROM。客户可通过外部EEPROM自定义独特的USB VID / PID /产品字符串/制造商字符串和最大/最小/初始音量。此外，ALC4040支持HID标准的音量控制引脚如播放/音量增加/递减/录音静音/播放静音/播放LED/静音LED。 ALC4040还配备了一个反POP噪声电 • 音频编解码器的USB 2.0接口\r\n• 支持USB FS和HS模式\r\n• USB音频输入/输出接口\r\n• 支持USB上的PCM流\r\n• 非晶体设计\r\n• 支持全速和高速传输模式\r\n• 支持带有LPM/L1特性的UAC1.0/2.0和ADC3.0\r\n• 支持外部闪存\r\n• 音频数据支持高达32位的数据长度和8k~384k的采样率\r\n• 在3.5mm加密狗应用程序上拔下USB插头时，功耗极低\r\n• VBUS<100uA\r\n• 嵌入式256kB闪存\r\n• 主I2S接口\r\n• 仅支持主模式\r\n• 支持48kHz采样率\r\n• 支持16/20;

Realtek

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MICROPOWER SHUNT VOLTAGE REFERENCE

GENERAL DESCRIPTION The AMS4040 is a two-terminal micropower band-gap voltage reference diode featuring a very low dynamic impedance and good temperature coefficient, operating over a 250µA to 100mA current range. On-chip trimming is used to provide tight voltage tolerance. Since the AMS4040 band

文件：60.55 Kbytes 页数：6 Pages

ADMOS

MICROPOWER SHUNT VOLTAGE REFERENCE

GENERAL DESCRIPTION The AMS4040 is a two-terminal micropower band-gap voltage reference diode featuring a very low dynamic impedance and good temperature coefficient, operating over a 250µA to 100mA current range. On-chip trimming is used to provide tight voltage tolerance. Since the AMS4040 band

文件：60.55 Kbytes 页数：6 Pages

ADMOS

MICROPOWER SHUNT VOLTAGE REFERENCE

GENERAL DESCRIPTION The AMS4040 is a two-terminal micropower band-gap voltage reference diode featuring a very low dynamic impedance and good temperature coefficient, operating over a 250µA to 100mA current range. On-chip trimming is used to provide tight voltage tolerance. Since the AMS4040 band

文件：60.55 Kbytes 页数：6 Pages

ADMOS