CS4270-DZZ Cirrus Logic Inc, CS4270-DZZ Datasheet - Page 18

• 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

18
SWITCHING CHARACTERISTICS - SOFTWARE MODE - SPI FORMAT
Inputs: Logic ‘0’ = AGND = DGND = 0 V; Logic ‘1’ = VLC; C
Notes: 18. t
CCLK Clock Frequency
RST Rising Edge to CS Falling
CCLK Edge to CS Falling
CS High Time Between Transmissions
CS Falling to CCLK Edge
CCLK Low Time
CCLK High Time
CDIN to CCLK Rising Setup Time
CCLK Rising to DATA Hold Time
Rise Time of CCLK and CDIN
Fall Time of CCLK and CDIN
Transition Time from CCLK to CDOUT Valid
Time from CS rising to CDOUT High-Z
19. Data must be held for sufficient time to bridge the transition time of CCLK.
20. For F
21. CDOUT should not be sampled during this time.
spi
only needed before first falling edge of CS after RST rising edge. t
SCK
CDOUT
CCLK
CDIN
< 1 MHz.
RST
CS
(Note 18)
Parameter
(Note 20)
(Note 20)
(Note 19)
t srs
t spi
t r2
t css
Figure 13. SPI Control Port Timing
(Note 21)
t scdov
t scl
t f2
t dsu t
t sch
dh
t scdov
L
= 20 pF.
Symbol
t
t
scdov
cscdo
f
t
t
t
t
t
t
t
sclk
t
csh
css
sch
dsu
t
t
srs
spi
scl
dh
r2
f2
t cscdo
t csh
Min
500
500
1.0
20
66
66
40
15
-
-
-
-
-
spi
Hi-Impedance
= 0 at all other times.
Max
100
100
100
100
6
-
-
-
-
-
-
-
-
CS4270
DS686F1
MHz
Unit
ns
ns
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns