参数资料
型号: CDB4955A
厂商: Cirrus Logic Inc
文件页数: 58/60页
文件大小: 0K
描述: EVALUATION BOARD FOR CS4955A
标准包装: 1
主要目的: 视频,视频处理
嵌入式: 是,其它
已用 IC / 零件: CS4955
主要属性: NTSC/PAL 数字视频编码器
次要属性: 图形用户界面,RS-232 接口
已供物品:
相关产品: CS4954-CQZR-ND - IC VID ENCODER NTSC/PAL 48-TQFP
598-1682-ND - IC VIDEO ENCODER NTSC/PAL 48TQFP
CS4954 CS4955
DS278F6
7
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
Low Level Output Voltage SDA pin only, lo = 6mA
VOL
-
0.4
V
Output Leakage Current High-Z Digital Outputs
-
-10
-
+10
μA
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
4
%
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
μA
Power Supply
Supply Voltage
VAA, VDD
3.15
4.75
3.3
5.0
3.45
5.25
V
Digital Supply Current
IAA1
-
70
150
mA
Analog Supply
Low-Z
(Note 6)
IAA2
-
100
150
mA
Analog Supply
High-Z
(Note 7)
IAA3
-
60
100
mA
Power Supply Rejection Ratio
PSRR
0.02
0.05
V / V
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
%
Parameter
Symbol
Min
Typ
Max
Units
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