CS4525-CNZR Cirrus Logic Inc, CS4525-CNZR Datasheet - Page 52

• 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

52
*Signals denoted with one asterisk do not have Bass Manager, 2-Way Crossover, or Channel Mix applied.
HiZPSig
Setting
Table 12
HP_DETECT/MUTE pin and the settings of the HiZPSig, HP/Mute, BassMgr[2:0], and PWMDSel[1:0]
bits. In all configurations, the active logic input level is determined by the HP/MutePol bit.
Referenced Control
HP/Mute ..............................
HP/MutePol .........................
PWMDSel[1:0].....................
LChMix[1:0] .........................
RChMix[1:0] ........................
En2Way...............................
BassMgr[2:0] .......................
HiZPSig ...............................
0
1
**Signals denoted with two asterisks do not have Bass Manager or 2-Way Crossover applied.
HP/Mute
describes the exact output of the PWM_SIG output pins based on the input to the
Setting
(Head-
Mode)
phone
Mode)
(Mute
X
X
0
1
HP_DETECT
/MUTE Input
Not Active
Not Active
Register Location
“HP_Detect/Mute Pin Mode (HP/Mute)” on page 70
“HP_Detect/Mute Pin Active Logic Level (HP/MutePol)” on page 70
“PWM Signals Output Data Select (PWMDSel[1:0])” on page 73
“Left Channel Mixer (LChMix[1:0])” on page 76
“Right Channel Mixer (RChMix[1:0])” on page 76
“Enable 2-Way Crossover (En2Way)” on page 81
“Bass Cross-Over Frequency (BassMgr[2:0])” on page 79
“Hi-Z PWM_SIG Outputs (HiZPSig)” on page 79
Active
Active
X
X
Table 12. Output of PWM_SIG Outputs
001 through 111
001 through 111
BassMgr [2:0]
(Disabled)
(Disabled)
Setting
000
000
X
X
X
X
PWMDSel [1:0]
00 (Disabled)
01, 10, or 11
01, 10, or 11
01, 10, or 11
Setting
01
10
11
01
10
11
01
10
11
X
High Impedance High Impedance
Channel 2**
PWM_SIG1
Driven Low
Channel 1*
Channel 1*
Channel 1*
Channel 1
Channel 1
Channel 2
Channel 1
Channel 1
Channel 2
Output
Mute
Mute
Sub Channel
Sub Channel
PWM_SIG2
Channel 2**
Channel 2**
Driven Low
Channel 2
Channel 2
Output
Mute
Mute
Mute
Mute
Mute
Mute
CS4525
DS726PP3