8 FN7387.10 January 30, 2014 Applications Information Product Description The EL5160, EL5161, EL5260, EL" />
參數(shù)資料
型號: EL5161IWZ-T7A
廠商: Intersil
文件頁數(shù): 16/17頁
文件大?。?/td> 0K
描述: IC OPAMP LO POWER 200MHZ SOT23-5
標準包裝: 1
放大器類型: 電流反饋
電路數(shù): 1
轉換速率: 1700 V/µs
-3db帶寬: 200MHz
電流 - 輸入偏壓: 5µA
電壓 - 輸入偏移: 1600µV
電流 - 電源: 750µA
電流 - 輸出 / 通道: 140mA
電壓 - 電源,單路/雙路(±): 5 V ~ 10 V,±2.5 V ~ 5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: SC-74A,SOT-753
供應商設備封裝: SOT-23-5
包裝: 標準包裝
產(chǎn)品目錄頁面: 1233 (CN2011-ZH PDF)
其它名稱: EL5161IWZ-T7ADKR
EL5160, EL5161, EL5260, EL5261, EL5360
8
FN7387.10
January 30, 2014
Applications Information
Product Description
The EL5160, EL5161, EL5260, EL5261, and EL5360 are low
power, current-feedback operational amplifiers that offer a wide
-3dB bandwidth of 200MHz and a low supply current of 0.75mA
per amplifier. The EL5160, EL5161, EL5260, EL5261, and
EL5360 work with supply voltages ranging from a single 5V to
10V and they are also capable of swinging to within 1V of either
supply on the output. Because of their current-feedback topology,
the EL5160, EL5161, EL5260, EL5261, and EL5360 do not
have the normal gain-bandwidth product associated with
voltage-feedback operational amplifiers. Instead, their -3dB
bandwidth remains relatively constant as closed-loop gain is
increased. This combination of high bandwidth and low power,
together with aggressive pricing make the EL5160, EL5161,
EL5260, EL5261, and EL5360 ideal choices for many
low-power/high-bandwidth applications such as portable,
handheld, or battery-powered equipment.
Power Supply Bypassing and Printed Circuit
Board Layout
As with any high frequency device, good printed circuit board
layout is necessary for optimum performance. Low impedance
ground plane construction is essential. Surface mount
components are recommended, but if leaded components are
used, lead lengths should be as short as possible. The power
supply pins must be well bypassed to reduce the risk of
oscillation. The combination of a 4.7F tantalum capacitor in
parallel with a 0.01F capacitor has been shown to work well
when placed at each supply pin.
For good AC performance, parasitic capacitance should be kept
to a minimum, especially at the inverting input. (See the
plane construction is used, it should be removed from the area
near the inverting input to minimize any stray capacitance at that
node. Carbon or Metal-Film resistors are acceptable with the
Metal-Film resistors giving slightly less peaking and bandwidth
because of additional series inductance. Use of sockets,
particularly for the SO package, should be avoided if possible.
Sockets add parasitic inductance and capacitance which results
in additional peaking and overshoot.
Pin Descriptions
EL5160
(8 Ld SOIC)
EL5160
(6 Ld SOT-23)
EL5161 EL5260 EL5261
EL5360
PIN
NAME
FUNCTION
EQUIVALENT CIRCUIT
1, 5
-
6, 11
NC
Not connected
2
4
2, 8
2, 6
9, 12, 16
IN-
Inverting input
Circuit 1
3
3, 7
3, 5
1, 5, 8
IN+
Non-inverting input
(See circuit 1)
42
2
4
3
VS-
Negative supply
6
1
1, 9
1, 7
10, 13, 15
OUT
Output
Circuit 2
7
6
5108
14
VS+
Positive supply
8
5
-
5, 6
-
2, 4, 7
CE
Chip enable
Circuit 3
IN-
IN+
VS+
VS-
VS+
VS-
OUT
VS+
VS-
CE
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