CS4525
9.17 Limiter Configuration 2 (Address 5Dh)
7
6
5
4
3
2
1
0
Reserved
Reserved
RRate5
RRate4
RRate3
RRate2
RRate1
RRate0
9.17.1 Limiter Release Rate (RRate[5:0])
Default = 111111
Function:
Sets the rate at which the limiter releases the digital attenuation from levels below the minimum setting in
the limiter threshold register.
The limiter release rate is a function of the sampling frequency, Fs, and the soft and zero cross setting.
RRate[5:0] Setting
Limiter Release Rate
000000 ................................Fastest release.
...................................
111111 ..................................Slowest release.
9.18 Limiter Configuration 3 (Address 5Eh)
7
6
5
4
3
2
1
0
EnThLim
Reserved
ARate5
ARate4
ARate3
ARate2
ARate1
ARate0
9.18.1 Enable Thermal Limiter (EnThLim)
Default = 0
Function:
When set, enables the thermal limiter function. The thermal limiter function adds an additional -3dB of at-
tenuation to the min and max settings of the peak signal limiter the first time a thermal warning is detected
after the thermal limiter function has been enabled. For more details, see the “Thermal Limiter” section on
page 39.
EnThLim Setting
Thermal Limiter State
0 ..........................................Thermal limiter disabled.
1 ..........................................Thermal limiter enabled.
9.18.2 Limiter Attack Rate (ARate[5:0])
Default = 000000
Function:
Sets the rate at which the limiter attenuates the analog output from levels above the maximum setting in
the limiter threshold register. The limiter attack rate is a function of the sampling frequency, Fs, and the
soft and zero cross setting.
ARate[5:0] Setting
Limiter Attack Rate
00000 ..................................Fastest attack.
...................................
11111....................................Slowest attack.
DS726PP1
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