CS4525 データシートの表示（PDF） - Cirrus Logic

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CS4525

30 W Digital Audio Amplifier with Integrated ADC

Cirrus Logic 

CS4525

When the LimitAll feature is activated, attenuation will be applied to all channels when a single channel

exceeds the maximum threshold and released when the level of all channels is below the minimum

threshold. When the LimitAll feature is de-activated, limiter attenuation will be applied and released on a

per-channel basis and will only affect the channel on which the limiter event occurred.

The limiter can be enabled by setting the EnLimiter bit in the Limiter Cfg 1 register

The limiter can also be used in conjunction with the thermal limiter function to provide thermal error pro-

tection to the CS4525. The thermal limiter function is described in Thermal Limiter on page 39.

Referenced Control

Register Location

EnLimiter ............................. “Peak Detect and Limiter Enable (EnLimiter)” on page 86

LimitAll................................. “Peak Signal Limit All Channels (LimitAll)” on page 86

Max[2:0] .............................. “Maximum Threshold (Max[2:0])” on page 85

Min[2:0] ............................... “Minimum Threshold (Min[2:0])” on page 85

ARate[5:0] ........................... “Limiter Attack Rate (ARate[5:0])” on page 87

RRate[5:0] ........................... “Limiter Release Rate (RRate[5:0])” on page 87

38

DS726PP1

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