CS4525-CNZ Cirrus Logic Inc, CS4525-CNZ Datasheet - Page 38

• 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

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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
Referenced Control
EnLimiter .............................
LimitAll.................................
Max[2:0] ..............................
Min[2:0] ...............................
ARate[5:0] ...........................
RRate[5:0] ...........................
Register Location
“Peak Detect and Limiter Enable (EnLimiter)” on page 86
“Peak Signal Limit All Channels (LimitAll)” on page 86
“Maximum Threshold (Max[2:0])” on page 85
“Minimum Threshold (Min[2:0])” on page 85
“Limiter Attack Rate (ARate[5:0])” on page 87
“Limiter Release Rate (RRate[5:0])” on page 87
Thermal Limiter
on
page
39.
CS4525
DS726PP2