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参数资料
| 型号： | TSH75CPT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO16 |
| 封装： | TSSOP-16 |
| 文件页数： | 15/33页 |
| 文件大小： | 601K |
| 代理商： | TSH75CPT |
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Testing Conditions
TSH70,71,72,73,74,75
22/33
The electrical characteristics show the influence of the load on this parameter.
5.3
Video capabilities
To characterize the differential phase and differential gain, a CCIR330 video line is used.
The video line contains 5 (flat) levels of luma on which is superimposed chroma signal. The
first level contains no luma. The luma gives various amplitudes which define the saturation
of the signal. The chrominance gives various phases which define the color of the signal.
Differential phase (respectively differential gain) distortion is present if a signal chrominance
phase (gain) is affected by luminance level. They represent the ability to uniformly process
the high frequency information at all luminance levels.
When differential gain is present, color saturation is not correctly reproduced.
The input generator is the Rohde & Schwarz CCVS. The output measurement was done by
the Rohde and Schwarz VSA.
Figure 48. Measurement on Rohde and Schwarz VSA
Table 7.
Video results
Parameter
Value
VCC =
±2.5V
Value
VCC =
±5V
Unit
Lum NL
0.1
0.3
%
Lum NL Step 1
100
%
Lum NL Step 2
100
99.9
%
Lum NL Step 3
99.9
99.8
%
Lum NL Step 4
99.9
%
Lum NL Step 5
99.9
99.7
%
Diff Gain pos
0
%
Diff Gain neg
-0.7
-0.6
%
Diff Gain pp
0.7
0.6
%
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