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參數(shù)資料
| 型號： | MAX4382ESD+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/16頁 |
| 文件大小： | 0K |
| 描述： | IC OP AMP R-R SS 14-SOIC |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 放大器類型： | 電壓反饋 |
| 電路數(shù)： | 3 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 485 V/µs |
| -3db帶寬： | 210MHz |
| 電流 - 輸入偏壓： | 8.5µA |
| 電壓 - 輸入偏移： | 3000µV |
| 電流 - 電源： | 7.5mA |
| 電流 - 輸出 / 通道： | 75mA |
| 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) |
MAX4380–MAX4384
Ultra-Small, Low-Cost, 210MHz, Single-Supply
Op Amps with Rail-to-Rail Outputs and Disable
12
______________________________________________________________________________________
Output Capacitive Loading and Stability
The MAX4380–MAX4384 are optimized for AC perfor-
mance. They are not designed to drive highly reactive
loads, which decrease phase margin and may produce
excessive ringing and oscillation. Figure 2 shows a cir-
cuit 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, AC performance
is controlled by the interaction of the load capacitance
and the isolation resistor. Figure 5 shows the effect of a
15
isolation resistor on closed-loop response.
Chip Information
MAX4380 TRANSISTOR COUNT: 66
MAX4381 TRANSISTOR COUNT: 132
MAX4382 TRANSISTOR COUNT: 196
MAX4383 TRANSISTOR COUNT: 264
MAX4384 TRANSISTOR COUNT: 264
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
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
RG
RF
RISO
CL
VOUT
VIN
MAX438 _
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
MAX4380-84
toc23
CLOAD (pF)
R
ISO
(
)
Figure 3. Isolation Resistance vs. Capacitive Load
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4382EUD | 功能描述:高速運算放大器 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4382EUD+ | 功能描述:高速運算放大器 210MHz Single-Supply w/Rail-Rail Out RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4382EUD+T | 功能描述:高速運算放大器 210MHz Single-Supply w/Rail-Rail Out RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4382EUD-T | 功能描述:高速運算放大器 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4383EEE | 功能描述:高速運算放大器 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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