CS4245-DQZR Cirrus Logic Inc, CS4245-DQZR Datasheet - Page 11

• Manufacturer Part Number: CS4245-DQZR
• Description: IC,Soundcard Circuits,QFP,48PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc
• Type: Stereo Audior

Specifications of CS4245-DQZR

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 104 / 104
• Voltage - Supply, Analog: 3.13 V ~ 5.25 V
• Voltage - Supply, Digital: 3.13 V ~ 5.25 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1501 - BOARD EVAL FOR CS4245 CODEC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS656F2
DAC COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE
Combined Digital and On-chip Analog Filter Response
Passband
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
De-emphasis Error
Combined Digital and On-chip Analog Filter Response
Passband
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
Combined Digital and On-chip Analog Filter Response
Passband
Frequency Response 10 Hz to 20 kHz
StopBand
StopBand Attenuation
Group Delay
6. Guaranteed by design. See
7. Filter response is guaranteed by design.
8. For Single-Speed Mode, the Measurement Bandwidth is 0.5465 Fs to 3 Fs.
9. De-emphasis is available only in Single-Speed Mode.
10. Response is clock dependent and will scale with Fs. Note that the amplitude vs. frequency plots of this
(Note 7)
(Note 7)
(Note 7)
maximum capacitance required for the internal op-amp’s stability. C
internal output amp; increasing C
For Double-Speed Mode, the Measurement Bandwidth is 0.577 Fs to 1.4 Fs.
For Quad-Speed Mode, the Measurement Bandwidth is 0.7 Fs to 1 Fs.
data
scale by Fs.
(Figures 21
(Note 9)
Parameter (Note 7,10)
to 30) have been normalized to Fs and can be de-normalized by multiplying the X-axis
Figure
L
beyond 100 pF can cause the internal op-amp to become unstable.
to -0.1 dB corner
to -0.1 dB corner
to -0.1 dB corner
2. R
to -3 dB corner
to -3 dB corner
to -3 dB corner
Fs = 44.1 kHz
L
and C
(Note 8)
(Note 8)
(Note 8)
L
reflect the recommended minimum resistance and
Symbol
tgd
tgd
tgd
0.5465
0.5770
-0.175
-0.15
-0.12
Min
Single-Speed Mode
Double-Speed Mode
0.7
50
55
51
Quad-Speed Mode
0
0
0
0
0
0
-
-
-
-
L
affects the dominant pole of the
2.5/Fs
10/Fs
5/Fs
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+0.05/-0.25
0.4992
+0.01
0.501
+0.15
0.110
0.469
Max
0.35
0.22
0
-
-
-
-
-
-
-
-
-
CS4245
Unit
dB
dB
dB
dB
dB
dB
Fs
Fs
Fs
dB
Fs
Fs
Fs
Fs
Fs
Fs
s
s
s
11