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參數(shù)資料
| 型號： | MAX4234 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Output-Drive, 10MHz, 10V/Us, Rail-to-Rail I/O Op Amps with Shutdown in SC70 |
| 中文描述： | 高輸出驅(qū)動、10MHz、10V/µs、滿擺幅輸入/輸出運算放大器，帶有關(guān)斷，SC70封裝 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大?。?/td> | 529K |
| 代理商： | MAX4234 |
To improve step response when R
′
> 2k
, connect
small capacitor C
f
between the inverting input and out-
put. Choose C
f
as follows:
C
f
= 8(R / R
f
) [pf]
where R
f
is the feedback resistor and R is the gain-set-
ting resistor (Figure 5).
Driving Capacitive Loads
The MAX4230
–
MAX4234 have a high tolerance for
capacitive loads. They are stable with capacitive loads
up to 780pF. Figure 6 is a graph of the stable operating
region for various capacitive loads vs. resistive loads.
Figures 7 and 8 show the transient response with
excessive capacitive loads (1500pF), with and without
the addition of an isolation resistor in series with the
output. Figure 9 shows a typical noninverting capaci-
tive-load-driving circuit in the unity-gain configuration.
M
High-Output-Drive, 10MHz, 10V/μs,
Rail-to-Rail I/O Op Amps with Shutdown in SC70
______________________________________________________________________________________
11
MAX4230
V
IN
V
OUT
R
′
= R || R
f
R
f
C
f
= RC
IN
R
f
C
f
R
INVERTING
MAX4230
V
IN
V
OUT
R
′
= R || R
f
R
f
C
f
= RC
IN
R
f
R
C
f
NONINVERTING
Figure 5. Inverting and Noninverting Amplifiers with Feedback
Compensation
0
500
1500
1000
2000
2500
1
100
10
1k
10k
100k
RESISTIVE LOAD (
)
C
V
DD
= 5.0V
R
L
TO V
DD
/2
STABLE
UNSTABLE
Figure 6. Capacitive-Load Stability
1
μ
s/div
20mV/div
20mV/div
V
DD
= 3.0V, C
L
= 1500pF
R
L
= 100k
, R
ISO
= 39
Figure 8. Small-Signal Transient Response with Excessive
Capacitive Load with Isolation Resistor
1
μ
s/div
20mV/div
20mV/div
V
DD
= 3.0V, C
L
= 1500pF
R
L
= 100k
, R
ISO
= 0
Figure 7. Small-Signal Transient Response with Excessive
Capacitive Load
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4230AXK-T | High-Output-Drive, 10MHz, 10V/Us, Rail-to-Rail I/O Op Amps with Shutdown in SC70 |
| MAX4231AXT-T | High-Output-Drive, 10MHz, 10V/Us, Rail-to-Rail I/O Op Amps with Shutdown in SC70 |
| MAX4237AEUA | SOT23, Very High Precision, 3V/5V Rail-to-Rail Op Amps |
| MAX4236AEUA | LJT 100C 100#22D PIN PLUG |
| MAX4236BEUA | SOT23, Very High Precision, 3V/5V Rail-to-Rail Op Amps |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4234ASD | 功能描述:運算放大器 - 運放 10MHz 10V/us Rail-Rail I/O 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 |
| MAX4234ASD+ | 功能描述:運算放大器 - 運放 10MHz 10V/us Rail-Rail I/O 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 |
| MAX4234ASD+T | 功能描述:運算放大器 - 運放 10MHz 10V/us Rail-Rail I/O 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 |
| MAX4234ASD-T | 功能描述:運算放大器 - 運放 10MHz 10V/us Rail-Rail I/O 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 |
| MAX4234AUD | 功能描述:運算放大器 - 運放 10MHz 10V/us Rail-Rail I/O 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 |
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