CS4525-CNZR Cirrus Logic Inc, CS4525-CNZR Datasheet - Page 32

• Manufacturer Part Number: CS4525-CNZR
• Description: IC PWM Controller+power Stage
• Manufacturer: Cirrus Logic Inc
• Series: Popguard®r
• Type: Class Dr

Specifications of CS4525-CNZR

• Output Type: 2-Channel (Stereo) or 4-Channel (Quad)
• Max Output Power X Channels @ Load: 30W x 1 @ 4 Ohm; 15W x 2 @ 8 Ohm
• Voltage - Supply: 8 V ~ 18 V
• Features: ADC, Depop, I²C, I²S, Mute, PWM, Short-Circuit and Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 48-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1586 - REFERENCE BOARD FOR CS4525 PWM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

32
The cut/boost level of the bass and treble shelving filters are set by the Bass[3:0] and Treble[3:0] bits in
the Tone Control register.
Referenced Control
EnToneCtrl ..........................
TrebFc[1:0] ..........................
BassFc[1:0] .........................
Treble[3:0] ...........................
Bass[3:0] .............................
Input Sample Rate
48 kHz, 96 kHz
44.1 kHz
32 kHz
Register Location
“Tone Control Enable (EnToneCtrl)” on page 77
“Treble Corner Frequency (TrebFc[1:0])” on page 77
“Bass Corner Frequency (BassFc[1:0])” on page 77
“Treble Gain Level (Treb[3:0])” on page 78
“Bass Gain Level (Bass[3:0])” on page 78
Table 3. Treble Shelving Filter Corner Frequencies
Treble Fc 0
5.0 kHz
4.8 kHz
5.2 kHz
Treble Fc 1
7.0 kHz
6.7 kHz
7.3 kHz
Treble Fc 2
10.0 kHz
10.4 kHz
9.6 kHz
Treble Fc 3
15.0 kHz
14.4 kHz
15.6 kHz
CS4525
DS726PP3