CS4525-CNZR Cirrus Logic Inc, CS4525-CNZR Datasheet - Page 24

• 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

24
I²C CONTROL PORT SWITCHING SPECIFICATIONS
AGND = DGND = PGND = 0 V; T
Notes:
SCL Clock Frequency
RST Rising Edge to Start
Bus Free Time Between Transmissions
Start Condition Hold Time (prior to first clock pulse)
Clock Low time
Clock High Time
Setup Time for Repeated Start Condition
SDA Hold Time from SCL Falling
SDA Setup time to SCL Rising
Rise Time of SCL and SDA
Fall Time SCL and SDA
Setup Time for Stop Condition
Acknowledge Delay from SCL Falling
17. Data must be held for sufficient time to bridge the transition time, t
RST
SDA
SCL
Parameter
Stop
t irs
t buf
A
= 25°C; VD = 3.3 V; Inputs: Logic 0 = DGND; Logic 1 = VD; SDA C
Start
Figure 11. Control Port Timing - I²C
t hdst
t
low
t
hdd
(Note 17)
t high
t sud
Symbol
t
t
t
t
t
t
t
t
t
susp
f
hdst
high
sust
t
hdd
sud
t
ack
buf
low
t
scl
irs
rc
fc
Repeated
t sust
Start
t
hdst
t r
Min
fc
500
250
300
4.7
4.0
4.7
4.0
4.7
4.7
10
, of SCL.
-
-
-
t f
Stop
t susp
Max
1000
100
300
1
-
-
-
-
-
-
-
-
-
L
CS4525
DS726PP3
= 30 pF.
Unit
kHz
ns
µs
µs
µs
µs
µs
ns
ns
µs
ns
µs
ns