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參數(shù)資料
| 型號： | MAX4267 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Ultra-Low-Distortion, Single-Supply, 300MHz Op Amps with Enable |
| 中文描述： | 超低失真、單電源、300MHz運算放大器，帶有使能端 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 361K |
| 代理商： | MAX4267 |
M
Ultra-Low-Distortion, Single-Supply,
300MHz Op Amps with Enable
12
______________________________________________________________________________________
5
-5
0.1M
1M
10M
100M
1G
-3
FREQUENCY (Hz)
G
-1
1
0
3
2
-2
-4
4
C
L
= 2.2pF
C
L
= 5.1pF
C
L
= 7.3pF
Figure 3a. MAX4268 Small-Signal Gain vs. Frequency
Without Isolation Resistor
5
-5
0.1M
1M
10M
100M
1G
-3
FREQUENCY (Hz)
G
-1
1
0
3
2
-2
-4
4
C
L
= 2.2pF
C
L
= 5.1pF
C
L
= 7.3pF
Figure 3b. MAX4269 Small-Signal Gain vs. Frequency
Without Isolation Resistor
4
-6
0.1M
1M
10M
100M
1G
-4
FREQUENCY (Hz)
G
-2
0
2
1
-1
-3
-5
3
C
L
= 10pF
C
L
= 7.3pF
C
L
= 15pF
Figure 3c. MAX4270 Small-Signal Gain vs. Frequency
Without Isolation Resistor
5
-5
0.1M
1M
10M
100M
1G
-3
FREQUENCY (Hz)
G
-1
1
0
3
2
-2
-4
4
C
L
= 10pF
R
ISO
= 12
C
L
= 10pF
R
ISO
= 15
C
L
= 10pF
R
ISO
= 18
Figure 4a. MAX4268 Small-Signal Gain vs. Frequency
With Isolation Resistor
be maintained using an amplifier with very low output
impedance at high frequencies. The combination of
high speed, fast slew rate, low noise, and a low and
stable distortion over load makes the MAX4265–
MAX4270 ideally suited for use as buffer amplifiers in
high-speed ADC applications.
Low-Power Disable Mode
The MAX4265–MAX4270 feature an active-high enable
pin that can be used to save power and place the out-
puts in a high-impedance state. Drive EN_ with logic
levels or connect EN_ to V
CC
for normal operation. In
the dual versions (MAX4268/MAX4269/MAX4270),
each individual op amp is enabled separately, allowing
the devices to be used in a multiplex configuration. The
supply current in low-power mode is reduced to 1.6mA
per device. Enable time is typically 100ns, and disable
time is typically 750μs.
20
15
10
5
0
0
60
20
40
80
100
120
C
LOAD
(pF)
R
I
)
MAX4268
MAX4269
MAX4270
Figure 2. MAX4268/MAX4269/MAX4270 Isolation Resistance
vs. Capacitive Load
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4268 | Ultra-Low-Distortion, Single-Supply, 300MHz Op Amps with Enable |
| MAX4268ESD | Ultra-Low-Distortion, Single-Supply, 300MHz Op Amps with Enable |
| MAX4270EEE | Ultra-Low-Distortion, Single-Supply, 300MHz Op Amps with Enable |
| MAX4270ESD | Ultra-Low-Distortion, Single-Supply, 300MHz Op Amps with Enable |
| MAX4269 | Ultra-Low-Distortion, Single-Supply, 300MHz Op Amps with Enable |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4267ESA | 功能描述:高速運算放大器 Single-Supply 300MHz w/Enable 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4267ESA+ | 功能描述:運算放大器 - 運放 270MHz 1mA Crnt Feedback Amp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4267ESA+T | 功能描述:運算放大器 - 運放 300MHz Op Amp with Enable RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4267ESA-T | 功能描述:高速運算放大器 Single-Supply 300MHz w/Enable 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4267EUA | 功能描述:高速運算放大器 Single-Supply 300MHz w/Enable 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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