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參數(shù)資料
| 型號： | KM4470IP14TR3 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Low Cost, +2.7V & +5V, Rail-to-Rail I/O Amplifiers |
| 中文描述： | QUAD OP-AMP, 6000 uV OFFSET-MAX, 2.2 MHz BAND WIDTH, PDSO14 |
| 封裝： | TSSOP-14 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大?。?/td> | 459K |
| 代理商： | KM4470IP14TR3 |
DATA SHEET
KM4170, KM4270, KM4470
8
REV. 5 December 2002
Layout Considerations
General layout and supply bypassing play major roles in high
frequency performance. Fairchild has evaluation boards to
use as a guide for high frequency layout and as aid in device
testing and characterization. Follow the steps below as a
basis for high frequency layout:
Include 6.8
μ
F and 0.01
μ
F ceramic capacitors
Place the 6.8
μ
F capacitor within 0.75 inches of
the power pin
Place the 0.01
μ
F capacitor within 0.1 inches of
the power pin
Remove the ground plane under and around the
part, especially near the input and output pins to
reduce parasitic capacitance
Minimize all trace lengths to reduce series
inductances
Refer to the evaluation board layouts shown in Figure 6 for
more information.
When evaluating only one channel, complete the
following on the unused channel:
1. Ground the non-inverting input
2. Short the output to the inverting input
Evaluation Board Information
The following evaluation boards are available to aid in the
testing and layout of this device:
Evaluation board schematics are shown in Figures 5a, 5b, 5c
and layouts are shown in Figure 6a through Figure 6l.
Figure 5a: KM4170 Evaluation Board Schematic
Eval Bd
Description
Products
KEB002
Single Channel, Dual Supply,
5 and 6 lead SOT23
KM4170IT5
KEB011
Single Channel, Dual Supply,
5 and 6 lead SC70
KM4170IS5
KEB006
Dual Channel, Dual Supply,
8 lead SOIC
KM4270IC8
KEB010
Dual Channel, Dual Supply,
8 lead MSOP
KM4270IM8
KEB012
Quad Channel, Dual Supply,
14 lead TSSOP
KM4470IP14
Figure 5b: KM4270 Evaluation Board Schematic
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