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| 型号： | MAX4309 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | 400MHz, Ultra-Low-Distortion Op Amps(400MHz,高速,超低失真双电源/射频运放) |
| 中文描述： | 400MHz、超低失真运算放大器 |
| 文件页数： | 8/12页 |
| 文件大小： | 162K |
| 代理商： | MAX4309 |
____________________________Typic al Operating Charac teristic s (c ontinued)
(V
CC
= +5V, V
EE
= -5V, R
L
= 100
, T
A
= +25°C, unless otherwise noted.)
_______________Detailed Desc ription
Choosing Resistor V alues
Unity-Gain Configuration
The MAX4108 is internally compensated for unity gain.
When configured for unity gain, the device requires a
small resistor (typically 24
) in series with the feedback
path. This resistor provides better AC response by
reducing the Q of the tank circuit formed by parasitic
feedback inductance and capacitance.
Inverting and Noninverting Configurations
The values of the gain-setting feedback and input resis-
tors are important design considerations. Large resistor
values will increase voltage noise, and will interact with
the amplifier’s input and PC board capacitance to gen-
erate undesirable poles and zeros, which can decrease
bandwidth or cause oscillations. For example, a nonin-
verting gain of +2, using 1k
resistors combined with
2pF of input capacitance and 0.5pF of board capaci-
tance, will cause a feedback pole at 128MHz. If this
pole is within the anticipated amplifier bandwidth, it will
jeopardize stability. Reducing these 1k
resistors to
100
will extend the pole frequency to 1.28GHz, but
could limit output swing by adding 200
in parallel with
the amplifier’s load. Clearly, the selection of resistor val-
ues must be tailored to the specific application.
M
400MHz, Ultra-Low-Distortion Op Amps
8
_______________________________________________________________________________________
5.0
3.0
4.0
-5.0
-75
-25
-50
50
25
0
75
100 125
OUTPUT SWING
vs. TEMPERATURE
-3.0
-4.0
-2.0
-1.0
M
TEMPERATURE (°C)
O
2.0
1.0
0.0
R
L
=
∞
R
L
=
∞
R
L
= 100
R
L
= 100
_____________________Pin Desc ription
NAME
FUNCTION
1
N.C.
No Connection. Not internally connected.
2
IN-
Inverting Input
PIN
3
IN+
Noninverting Input
4, 5
V
EE
Negative Power Supply, connect to -5V
7, 8
V
CC
Positive Power Supply, connect to +5V
6
OUT
Amplifier Output
0.100
0.020
-75
-25
-50
50
25
0
75
100 125
INPUT OFFSET CURRENT
vs. TEMPERATURE
0.040
M
TEMPERATURE (°C)
C
0.080
0.060
30
20
-30
-75
-25
-50
50
25
0
75
100 125
POWER SUPPLY CURRENT
vs. TEMPERATURE
-20
-10
M
TEMPERATURE (°C)
C
10
0
NEGATIVE SUPPLY CURRENT
POSITIVE SUPPLY CURRENT
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4309ESA | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX4309ESA+ | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX4309ESA+T | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX4309ESA-T | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX430CPA | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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