CS4270-DZZ Cirrus Logic Inc, CS4270-DZZ Datasheet - Page 17

• Manufacturer Part Number: CS4270-DZZ
• Description: IC CODEC 24BIT 105DB 24TSSOP
• Manufacturer: Cirrus Logic Inc
• Type: Stereo Audior

Specifications of CS4270-DZZ

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 105 / 105
• Voltage - Supply, Analog: 3.1 V ~ 5.25 V
• Voltage - Supply, Digital: 3.1 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Audio Codec Type: Stereo
• No. Of Adcs: 1
• No. Of Dacs: 1
• No. Of Input Channels: 3
• No. Of Output Channels: 3
• Adc / Dac Resolution: 24bit
• Sampling Rate: 216kSPS
• Ic Interface Type: I2C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1002 - BOARD EVAL FOR CS4270 CODEC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 598-1622

DS686F1
SWITCHING CHARACTERISTICS - SOFTWARE MODE - I²C FORMAT
Inputs: Logic ‘0’ = AGND = DGND = 0 V, Logic ‘1’ = VLC, C
Note:
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
RS T
S D A
S C L
17. Data must be held for sufficient time to bridge the transition time, t
Stop
t
t
irs
buf
Start
Parameter
t
t
hdst
lo w
(Note 17)
Figure 12. Software Mode Timing - I²C Format
t
hdd
t
high
t sud
t ack
L
= 30 pF
Symbol
t
t
t
t
t
t
t
susp
t
t
f
hdst
high
sust
t
hdd
sud
low
t
t
ack
buf
scl
irs
rc
fc
R epe ate d
t sust
fc
Start
, of SCL.
Min
500
250
300
4.7
4.0
4.7
4.0
4.7
4.7
0
-
-
-
t
hdst
t rd
t rc
1000
t fc
Max
100
300
1
-
-
-
-
-
-
-
-
-
t fd
CS4270
Stop
t susp
Unit
kHz
ns
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
ns
17