Texas Instruments has introduced a four-channel, low-power, low-jitter sine-to-sine wave clock buffer, the first device in a family of sine-wave clock buffers.
The CDC3S04 can replace up to three individual same-frequency temperature compensated crystal oscillators (TCXOs. Designers can use it in a wide range of mobile applications including cellphones (UMTS/WCDMA/GSM), smartphones, mobile Internet devices (MID), ultra mobile PCs (UMPC), navigation units and global positioning systems (GPS).
The device features an integrated on-chip LDO which saves board space and acts as a TCXO on/off switch for power savings during low-power standby. A built-in I²C interface provides real-time control for outputs, polarity and internal coding.
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