550MHz Differential line receivers 550MHz的差分线接收 550MHz Differential line receivers TRIPLE line receiver, PDSO24 550MHz Differential line receivers line receiver, PDSO8 Replaced by PCM2903B : Stereo USB1.1 CODEC with line-out and S/PDIF I/O, Self-powered (HID Interface) 28-SSOP 0 to 70