CDB44800 Cirrus Logic Inc, CDB44800 Datasheet - Page 13

• Manufacturer Part Number: CDB44800
• Description: BOARD EVAL FOR CS44800 PWM CTRL
• Manufacturer: Cirrus Logic Inc
• Series: Popguard®r

Specifications of CDB44800

• Amplifier Type: Class D
• Output Type: 8-Channel
• Voltage - Supply: 20 V ~ 50 V
• Operating Temperature: -10°C ~ 70°C
• Board Type: Fully Populated
• Utilized Ic / Part: CS44800
• Description/function: Audio DSPs
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS44800
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Max Output Power X Channels @ Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1532; CDB-44800

DS632F1
SWITCHING CHARACTERISTICS - DAI INTERFACE
(VD = 2.5 V, VDX = VDP = VLC = 3.3 V, VLS = 2.5 V to 5.0 V; Inputs: Logic 0 = GND, Logic 1 = VLS.)
RST pin Low Pulse Width
DAI_MCLK Duty Cycle
DAI_SCLK Duty Cycle
DAI_LRCK Duty Cycle
DAI Sample Rate
DAI_SDIN Setup Time Before DAI_SCLK Rising Edge
DAI_SDIN Hold Time After DAI_SCLK Rising Edge
DAI_SCLK High Time
DAI_SCLK Low Time
DAI_LRCK Setup Time Before DAI_SCLK Rising Edge
DAI_SCLK Rising Edge Before DAI_LRCK Edge
D A I_ L R C K
D A I_ S C L K
D A I_ S D IN x
15. After powering up, the CS44800, RST should be held low until after the power supplies and clocks are set-
16. See
17. Max DAI sample rate is 96 kHz for One Line and TDM modes of operation.
Figure 6. Serial Audio Interface Timing
tled.
Table 1 on page 26
t
lrc k d
t
lrck s
Parameters
t
d s
for suggested MCLK frequencies.
t
s ck h
t
d h
t
s c k l
(Note 15)
(Note 16)
(Note 17)
DAI_LRCK
DAI_SCLK
DAI_SDIN1
(input)
(input)
Figure 7. Serial Audio Interface Timing - TDM Mode
Symbol
t
lrcks
t
t
t
t
lrckd
sckh
lrcks
t
t
sckl
F
ds
dh
s
t
lrckd
Min
40
45
45
32
10
10
20
20
25
25
1
t
lrcks
t
ds
MSB
t
Max
192
sckh
60
55
55
t
dh
-
-
-
-
-
-
-
CS44800
t
sckl
Units
kHz
ms
MSB-1
ns
ns
ns
ns
ns
ns
%
%
%
13