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CS4954 Datasheet(PDF) 6 Page - Cirrus Logic

Part # CS4954
Description  NTSC/PAL Digital Video Encoder
PDF  56 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS4954 Datasheet(HTML) 6 Page - Cirrus Logic

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CS4954 CS4955
6
DS278PP4
DC CHARACTERISTICS (Continued)
Notes: 1. Values are by characterization only
2. Output current levels with ISET = 4 K
Ω , VREF = 1.232 V.
3. DACs are set to low impedance mode
4. DACs are set to high impedance mode
5. Times for black-to-white-level and white-to-black-level transitions.
6. Low-Z - 3 dacs on
7. High-Z - 6 dacs on
Parameter
Symbol
Min
Typ
Max
Units
Analog Outputs
Full Scale Output Current CVBS/Y/C/R/G/B
(Notes 1, 2, 3)
IO
32.9
34.7
36.5
mA
Full Scale Output Current CVBS/Y/C/R/G/B
(Notes 1, 2, 4)
IO
8.22
8.68
9.13
mA
LSB Current CVBS/Y/C/R/G/B
(Notes 1, 2, 3)
IB
32.2
33.9
35.7
µA
LSB Current CVBS/Y/C/R/G/B
(Notes 1, 2, 4)
IB
8.04
8.48
8.92
µA
DAC-to DAC Matching
(Note 1)
MAT
-
2
-
%
Output Compliance
(Note 1)
VOC
0
-
+ 1.4
V
Output Impedance
(Note 1)
ROUT
-
15
-
k
Ω
Output Capacitance
(Note 1)
COUT
-
-
30
pF
DAC Output Delay
(Note 1)
ODEL
-
4
12
ns
DAC Rise/Fall Time
(Note 1, 5)
TRF
-
2.5
5
ns
Voltage Reference
Reference Voltage Output
VOV
1.170
1.232
1.294
V
Reference Input Current
(Note 1)
UVC
-
-
10
uA
Power Supply
Supply Voltage
VAA, VDD
3.15
4.75
3.3
5.0
3.45
5.25
V
Digital Supply Current
IAA1
-
70
-
mA
Analog Supply
Low-Z
(Note 6)
IAA2
-
100
-
mA
Analog Supply
High-Z
(Note 7)
IAA3
-
60
-
mA
Power Supply Rejection Ratio
PSRR
0.02
0.05
%/%
Static Performance
DAC Resolution
(Note 1)
-
-
10
Bits
Differential Non-Linearity
(Note 1)
DNL
-1
+ 0.5
+ 1
LSB
Integral Non-Linearity
(Note 1)
INL
- 2
+ 1+ 2
LSB
Dynamic Performance
Differential Gain
(Note 1)
DG
-
2
5
%
Differential Phase
(Note 1)
DP
-
+ 0. 5
+ 2
°
Hue Accuracy
(Note 1)
HA
-
-
2
°
Signal to Noise Ratio
SNR
70
-
-
dB
Saturation Accuracy
(Note 1)
SAT
-
1
2
%



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