CRD4525-Q1 Cirrus Logic Inc, CRD4525-Q1 Datasheet - Page 77

• Manufacturer Part Number: CRD4525-Q1
• Description: REFERENCE BOARD FOR CS4525 PWM
• Manufacturer: Cirrus Logic Inc
• Series: Popguard®r

Specifications of CRD4525-Q1

• Amplifier Type: Class D
• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 15W x 2 @ 8 Ohm
• Voltage - Supply: 12 V ~ 18 V
• Operating Temperature: 0°C ~ 70°C
• Board Type: Fully Populated
• Utilized Ic / Part: CS4525
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 598-1586

DS726PP3
9.7.3
9.7.4
9.7.5
9.7.6
Digital Signal Processing High-Pass Filter (EnDigHPF)
Default = 0
Function:
Controls the operation of the digital signal processing high-pass filter. See
High-Pass Filter” on page 30
Treble Corner Frequency (TrebFc[1:0])
Default = 00
Function:
Sets the corner frequency for the treble shelving filter as shown below.
Bass Corner Frequency (BassFc[1:0])
Default = 01
Function:
Sets the corner frequency for the bass shelving filter as shown below.
Tone Control Enable (EnToneCtrl)
Default = 0
Function:
When set, enables the bass and treble shelving filters. When cleared, disables the bass and treble shelv-
ing filters.
EnDigHPF Setting
TrebFc[1:0] Setting
BassFc[1:0] Setting
EnToneCtrl Setting
0 ..........................................Digital signal processing high-pass filter disabled.
1 ..........................................Digital signal processing high-pass filter enabled.
00 ........................................Selects Treble Fc 0 - Approximately 5 kHz
01 ........................................Selects Treble Fc 1 - Approximately 7 kHz
10 ........................................Selects Treble Fc 2 - Approximately 10 kHz
11.........................................Selects Treble Fc 3 - Approximately 15 kHz
00 ........................................Selects Bass Fc 0 - Approximately 50 Hz
01 ........................................Selects Bass Fc 1 - Approximately 100 Hz
10 ........................................Selects Bass Fc 2 - Approximately 200 Hz
11.........................................Selects Bass Fc 3 - Approximately 250 Hz
0 ..........................................Bass and treble shelving filters disabled.
1 ..........................................Bass and treble shelving filters enabled.
Digital Signal Processing High-Pass Filter State
Treble Corner Frequency
Bass Corner Frequency
Tone Control Filter State
for more information.
“Digital Signal Processing
CS4525
77