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參數(shù)資料
| 型號(hào)： | MAX4385EEUK+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 13/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OP AMP R-R SNGL SOT23-5 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 應(yīng)用： | 電壓反饋 |
| 輸出類型： | 滿擺幅 |
| 電路數(shù)： | 1 |
| -3db帶寬： | 230MHz |
| 轉(zhuǎn)換速率： | 450 V/µs |
| 電流 - 電源： | 5.5mA |
| 電流 - 輸出 / 通道： | 55mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SC-74A，SOT-753 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-5 |
| 包裝： | 帶卷 (TR) |
MAX4385E/MAX4386E
Low-Cost, 230MHz, Single/Quad Op Amps with
Rail-to-Rail Outputs and ±15kV ESD Protection
_______________________________________________________________________________________
9
Rail-to-Rail Outputs,
Ground-Sensing Inputs
The input common-mode range extends from (VEE -
200mV) to (VCC - 2.25V) with excellent common-mode
rejection. Beyond this range, the amplifier output is a
nonlinear function of the input, but does not undergo
phase reversal or latchup.
The output swings to within 50mV of either power-sup-
ply rail with a 2k
load. The input ground sensing and
the rail-to-rail output substantially increase the dynamic
range. The input can swing 2.95VP-P and the output
can swing 4.9VP-P with minimal distortion.
Output Capacitive Loading and Stability
The MAX4385E/MAX4386E are optimized for AC perfor-
mance and do not drive highly reactive loads, which
decreases phase margin and may produce excessive
ringing and oscillation. Figure 2 shows a circuit that
eliminates this problem. Figure 3 is a graph of the
Optimal Isolation Resistor (RS) vs. Capacitive Load.
Figure 4 shows how a capacitive load causes exces-
sive peaking of the amplifier’s frequency response if
the capacitor is not isolated from the amplifier by a
resistor. A small isolation resistor (usually 10
to 15)
placed before the reactive load prevents ringing and
oscillation. At higher capacitive loads, the interaction of
the load capacitance and the isolation resistor controls
the AC performance. Figure 5 shows the effect of a
15
isolation resistor on closed-loop response.
6
-4
100k
10M
100M
1M
1G
-2
FREQUENCY (Hz)
GAIN
(dB)
0
2
4
5
-3
-1
1
3
CL = 10pF
CL = 15pF
CL = 5pF
Figure 4. Small-Signal Gain vs. Frequency with Load
Capacitance and No Isolation Resistor
Figure 2. Driving a Capacitive Load Through an Isolation Resistor
9
11
10
13
12
15
14
16
0
200
100
300
400
50
250
150
350
450 500
ISOLATION RESISTANCE
vs. CAPACITIVE LOAD
CLOAD (pF)
R
ISO
(
)
Figure 3. Isolation Resistance vs. Capacitive Load
RG
RF
RISO
CL
VOUT
VIN
MAX438_E
3
-7
100k
10M
100M
1M
1G
-5
FREQUENCY (Hz)
GAIN
(dB)
-3
-1
1
2
-6
-4
-2
0
CL = 68pF
RISO = 15
CL = 120pF
CL = 47pF
Figure 5. Small-Signal Gain vs. Frequency with Load
Capacitance and 27
Isolation Resistor
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4386EESD | 功能描述:高速運(yùn)算放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4386EESD+ | 功能描述:高速運(yùn)算放大器 230MHz w/Rail-Rail Output RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4386EESD+T | 功能描述:高速運(yùn)算放大器 230MHz w/Rail-Rail Output RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4386EESD-T | 功能描述:高速運(yùn)算放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4386EEUD | 功能描述:高速運(yùn)算放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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