CDB44800 Cirrus Logic Inc, CDB44800 Datasheet - Page 12

• 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

12
SWITCHING CHARACTERISTICS - SYS_CLK
(VD = 2.5 V, VDP = VLC = VDX = 3.3 V, VLS = 2.5 V to 5.0 V, Cload = 50 pF)
SWITCHING CHARACTERISTICS - PWMOUTA1-B4
(VD = 2.5 V, VLS = VLC = VDX = 3.3 V, VDP = 3.3 V to 5.0 V unless otherwise specified, Cload = 10 pF)
SWITCHING CHARACTERISTICS - PS_SYNC
(VD = 2.5 V, VLS = VLC = VDX = 3.3 V, VDP = 3.3 V to 5.0 V, Cload = 20 pF)
SYS_CLK Period
SYS_CLK Duty Cycle
PWMOUTxx Period
Rise Time of PWMOUTxx
Fall Time of PWMOUTxx
PS_SYNC Period
PS_SYNC Duty Cycle
Parameter
Parameter
Parameter
SYS_CLK
PWMOUTxx
PS_SYNC
VDP = 5.0 V
VDP = 3.3 V
VDP = 5.0 V
VDP = 3.3 V
Figure 4. PWMOUTxx Timings
Figure 5. PS_SYNC Timings
Figure 3. SYS_CLK Timings
t
r
t
sclki
Symbol
Symbol
Symbol
t
t
pwm
t
t
t
psclki
pwm
sclki
psclki
t
t
r
f
t
f
592.576
18.518
2.60
Min
Min
Min
45
45
-
-
-
-
Typ
Typ
Typ
1.6
2.1
1.1
1.4
50
50
---
---
-
Max
Max
1.18
Max
55
55
---
---
-
-
-
-
CS44800
DS632F1
Unit
Unit
Unit
ns
µs
ns
ns
ns
ns
ns
%
%