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參數(shù)資料
| 型號(hào)： | NCS2561SQT1G |
| 廠商： | ON Semiconductor |
| 文件頁(yè)數(shù)： | 10/11頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC OP AMP HS W/FILTER SC-88 |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 應(yīng)用： | 濾波器 |
| 電路數(shù)： | 1 |
| 電流 - 電源： | 6mA |
| 電流 - 輸出 / 通道： | 50mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 3.3 V |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 6-TSSOP，SC-88，SOT-363 |
| 供應(yīng)商設(shè)備封裝： | SC-88 |
| 包裝： | 帶卷 (TR) |
| 其它名稱(chēng)： | NCS2561SQT1G-ND NCS2561SQT1GOSTR |
NCS2561
http://onsemi.com
8
The Csag value has no significant impact on the coupling
even as the value increases. A value of 22
mF is
recommended for optimal performance.
To achieve similar behavior to an output coupling
capacitor value Cout = 220
mF (no sag) the nominal
equivalent sag combination is Csag = 22
mF and Cout =
67
mF. A value of 47 mF for Cout will yield equivalent
results. If we consider a coupling cap of 470
mF, the best
compromise for sag combination is Csag = 22
mF and Cout
= 100
mF. A value of 67 mF for Cout will yield equivalent
results.
capacitor on a video signal corresponding to a worst case
situation regarding the low frequency bandwidth. The video
signal used is a 50 Hz 1/2 black 1/2 white video pattern.
This signal is obtained using the PAL Flat Field Square wave
signal option available with the video generator TG700 from
Tektronix. These measurements show how the sag function
can help to reduce the field tilt problem using lower value
coupling capacitor than traditional approach.
Figure 13. No sag, Cout = 220 mF
(Top : Input, Bottom : Output)
Figure 14. Csag = 22 mF, Cout = 47 mF
(Top : Input, Bottom : Output)
Figure 15. NCS2561 in an ACCoupled Configuration with no sag
1 V
0 V
1Vpp
Level
Shifter
+
GND
Enable
NCS2561
Vcc
IN
2pole
filter
2.7V to 3.3V
OUT
SAG
Video
DAC
220mF / 470mF
75 W
TV
Rs
Enable
Vcc
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