CS42L55-CNZR Cirrus Logic Inc, CS42L55-CNZR Datasheet - Page 18

• Manufacturer Part Number: CS42L55-CNZR
• Description: IC Ultra Low Power Stereo Codec
• Manufacturer: Cirrus Logic Inc
• Type: Stereo Audior

Specifications of CS42L55-CNZR

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 1 / 1
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 95 / 99
• Voltage - Supply, Analog: 1.65 V ~ 2.71 V
• Voltage - Supply, Digital: 1.65 V ~ 2.71 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1506 - BOARD EVAL FOR CS42L55 CODEC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

18
SWITCHING SPECIFICATIONS - CONTROL PORT
Inputs: Logic 0 = GND = AGND, Logic 1 = VL, SDA C
Notes:
SCL Clock Frequency
RESET 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
19. Data must be held for sufficient time to bridge the transition time, t
SDA
SCL
RESET
Stop
t irs
t buf
Parameter
Start
t hdst
t
low
Figure 7. I²C Control Port Timing
t
hdd
t high
L
= 30 pF.
(Note 19)
t sud
Repeated
t sust
Start
Symbol
t
t
t
t
t
t
t
t
t
susp
f
hdst
high
sust
t
hdd
low
sud
t
t
ack
buf
scl
irs
rc
fc
t
hdst
t r
t f
fc
, of SCL.
Min
500
250
300
4.7
4.0
4.7
4.0
4.7
4.7
0
-
-
-
Stop
t susp
Max
1000
100
300
1
-
-
-
-
-
-
-
-
-
CS42L55
DS773F1
Unit
kHz
ns
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
ns