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

• Manufacturer Part Number: CS4525-CNZ
• Description: IC AMP AUDIO PWR 30W QUAD 48QFN
• Manufacturer: Cirrus Logic Inc
• Series: Popguard®r
• Type: Class Dr

Specifications of CS4525-CNZ

• Output Type: 2-Channel (Stereo) or 4-Channel (Quad)
• Package / Case: 48-QFN
• 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
• Product: Class-D
• Output Power: 30 W
• Thd Plus Noise: 10 %
• Operating Supply Voltage: 2.5 V to 5 V
• Supply Current: 54 mA
• Maximum Power Dissipation: 180 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Audio - Load Impedance: 4 Ohms, 6 Ohms, 8 Ohms
• Audio Load Resistance: 8 Ohms, 4 Ohms
• Minimum Operating Temperature: 0 C
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 2.375 V
• Amplifier Class: D
• No. Of Channels: 4
• Supply Voltage Range: 8V To 18V
• Load Impedance: 4ohm
• Operating Temperature Range: 0°C To +70°C
• Amplifier Case Style: QFN
• No. Of Pins: 48
• Rohs Compliant: Yes
• 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
• Other names: 598-1264

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
DS726PP2