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參數(shù)資料
| 型號： | AD8001ARZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 7/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP CF LP LDIST 70MA 8SOIC |
| 標準包裝： | 750 |
| 放大器類型： | 電流反饋 |
| 電路數(shù)： | 1 |
| 轉換速率： | 1200 V/µs |
| -3db帶寬： | 715MHz |
| 電流 - 輸入偏壓： | 5µA |
| 電壓 - 輸入偏移： | 2000µV |
| 電流 - 電源： | 5mA |
| 電流 - 輸出 / 通道： | 70mA |
| 電壓 - 電源，單路/雙路(±)： | ±3 V ~ 6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SO |
| 包裝： | 帶卷 (TR) |
REV. D
AD8001
–14–
Layout Considerations
The specified high speed performance of the AD8001 requires
careful attention to board layout and component selection. Proper
RF design techniques and low parasitic component selection
are mandatory.
The PCB should have a ground plane covering all unused portions
of the component side of the board to provide a low impedance
ground path. The ground plane should be removed from the area
near the input pins to reduce stray capacitance.
Chip capacitors should be used for supply bypassing (see Figure 13).
One end should be connected to the ground plane and the other
within 1/8 inch of each power pin. An additional large
(4.7
F–10 F) tantalum electrolytic capacitor should be con-
nected in parallel, but not necessarily so close, to supply current
for fast, large-signal changes at the output.
The feedback resistor should be located close to the inverting
input pin in order to keep the stray capacitance at this node to a
minimum. Capacitance variations of less than 1 pF at the invert-
ing input will significantly affect high speed performance.
Stripline design techniques should be used for long signal traces
(greater than about 1 inch). These should be designed with a
characteristic impedance of 50
or 75 and be properly termi-
nated at each end.
Inverting Configuration
Supply Bypassing
C1
0.1 F
C2
0.1 F
+VS
–VS
C3
10 F
C4
10 F
Noninverting Configuration
RF
RO
IN
+VS
–VS
RS
RT
RG
OUT
RF
RO
IN
+VS
–VS
RT
RG
OUT
Figure 13. Inverting and Noninverting Configurations for Evaluation Boards
Table I. Recommended Component Values
AD8001AN (PDIP)
AD8001AR (SOIC)
AD8001ART (SOT-23-5)
Gain
Component
–1
+1
+2
+10
+100
–1
+1
+2
+10
+100
–1
+1
+2
+10
+100
RF (
)
649
1050
750
470
1000
604
953
681
470
1000
845
1000 768
470
1000
RG (
)
649
750
51
10
604
681
51
10
845
768
51
10
RO (Nominal) (
) 49.9
49.9
RS (
)0
0
RT (Nominal) (
) 54.9
49.9
54.9
49.9
54.9
49.9
Small Signal
340
880
460
260
20
370
710
440
260
20
240
795
380
260
20
BW (MHz)
0.1 dB Flatness
105
70
105
130
100
120
110
300
145
(MHz)
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