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參數(shù)資料
| 型號： | MAX4187ESD+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP CURRENT SENSE 14-SOIC |
| 標準包裝： | 2,500 |
| 放大器類型： | 電流反饋 |
| 電路數(shù)： | 4 |
| 轉換速率： | 320 V/µs |
| -3db帶寬： | 245MHz |
| 電流 - 輸入偏壓： | 1µA |
| 電壓 - 輸入偏移： | 1500µV |
| 電流 - 電源： | 1mA |
| 電流 - 輸出 / 通道： | 60mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 11 V，±2.25 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 14-SOIC |
| 包裝： | 帶卷 (TR) |
MAX4180–MAX4187
Single/Dual/Quad, 270MHz, 1mA, SOT23,
Current-Feedback Amplifiers with Shutdown
______________________________________________________________________________________
19
tive load. Note that in each case, gain peaking is
substantially reduced when the 20
resistor is used to
isolate the capacitive load from the amplifier output.
AC Testing/Performance
AC specifications on high-speed amplifiers are usually
guaranteed without 100% production testing. Since
these high-speed devices are sensitive to external para-
sitics introduced when automatic handling equipment is
used, it is impractical to guarantee AC parameters
through volume production testing. These parasitics are
greatly reduced when using the recommended PC
board layout (like the Maxim EV kit). Characterizing the
part in this way more accurately represents the amplifi-
er’s true AC performance. Some manufacturers guaran-
tee AC specifications without clearly stating how this
guarantee is made. The AC specifications of the
MAX4180–MAX4187 are derived through worst-case
design simulations combined with a sample characteri-
zation of 100 units. The AC performance distributions
along with the worst-case simulation results for
MAX4180 and MAX4181 are shown in Figures 8–11.
These distributions are repeatable provided that the
proper board layout and power-supply bypassing are
used (see Layout and Power-Supply Bypassing sec-
tion).
6
5
4
3
2
1
0
-4
1
10
100
1000
-2
-3
-1
FREQUENCY (MHz)
GAIN
(dB)
MAX4181
VIN = 20mVp-p
AV = +1V/V
RF = 2.4k
RL = 1k
|| 47pF
RS = 20
RS = 0
Figure 7c. Frequency Response with Capacitive Load (With
and Without Isolation Resistor)
Figure 7b. Frequency Response with Capacitive Load (With
and Without Isolation Resistor)
6
5
4
3
2
1
0
-4
1
10
100
1000
-2
-3
-1
FREQUENCY (MHz)
NORMALIZED
GAIN
(dB)
MAX4180
VIN = 20mVp-p
AV = +2V/V
RF = RG = 1.2k
RL = 1k
|| 47pF
RS = 0
RS = 20
RG
RF
RS
RL
CL
VIN
Figure 7a. Using an Isolation Resistor (RS) for High-Capacitive
Loads
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4188 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Single/Triple, Low-Glitch, 250MHz, Current-Feedback Amplifiers with High-Speed Disable |
| MAX4188/89/90 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Single/Triple Low-Glitch 25MHz Current-Feedback Amplifiers with |
| MAX4188_07 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Single/Triple, Low-Glitch, 250MHz, Current-Feedback Amplifiers with High-Speed Disable |
| MAX4188EEE | 功能描述:視頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX4188EEE+ | 功能描述:視頻放大器 200MHz 1.5mA Current-Feedback RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
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