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PCM5142PW Datasheet(PDF) 64 Page - Texas Instruments |
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PCM5142PW Datasheet(HTML) 64 Page - Texas Instruments |
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64 / 110 page  PCM5141, PCM5142 SLAS759A – AUGUST 2012 – REVISED SEPTEMBER 2012 www.ti.com Power Save Modes The PCM514x offers two power-save modes; standby and power-down. When a clock error (SCK, BCK, and LRCK) or clock halt is detected, the PCM514x automatically enters standby mode. The DAC and line driver are also powered down. The device can also be placed in standby mode via software command. When BCK and LRCK remain at a low level for more than 1 second, the PCM514x automatically enters power- down mode. Power-down mode disables the negative charge pump and bias/reference circuit, in addition to those disabled in standby mode. The device can also be placed in power-down mode via software command. The detection time of BCK and LRCK halt can be controlled by Page 0, Register 44, D(2:0). When expected Audio clocks (SCK, BCK, LRCK) are applied to the PCM514x, the device starts its powerup sequence automatically. The detection time for BCK and LRCK halt is programmable. 64 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Links: PCM5141 PCM5142 |
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