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参数资料
| 型号： | MAX4350EUK+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/11页 |
| 文件大小： | 0K |
| 描述： | IC OP AMP R-R SGL SOT23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 放大器类型： | 电压反馈 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 485 V/µs |
| -3db带宽： | 210MHz |
| 电流 - 输入偏压： | 7.5µA |
| 电压 - 输入偏移： | 1000µV |
| 电流 - 电源： | 6.9mA |
| 电流 - 输出 / 通道： | 80mA |
| 电压 - 电源，单路/双路(±)： | 9 V ~ 11 V，±4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 带卷 (TR) |
ful attention to inputs and outputs to avoid large para-
sitic capacitance. Whether or not you use a constant-
impedance board, observe the following design guide-
lines:
Don’t use wire-wrap boards; they are too inductive.
Don’t use IC sockets; they increase parasitic capaci-
tance and inductance.
Use surface-mount instead of through-hole compo-
nents for better high-frequency performance.
Use a PC board with at least two layers; it should be
as free from voids as possible.
Keep signal lines as short and as straight as possi-
ble. Do not make 90° turns; round all corners.
Rail-to-Rail Outputs,
Ground-Sensing Input
The input common-mode range extends from
VEE 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
125mV of either power-supply rail with a 2k
load.
Output Capacitive Load and Stability
The MAX4350/MAX4351 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 Isolation Resistance (RISO) 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 20
to 30)
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
27
isolation resistor on closed-loop response.
Coaxial cable and other transmission lines are easily
driven when properly terminated at both ends with their
characteristic impedance. Driving back-terminated
transmission lines essentially eliminates the line’s
capacitance.
MAX4350/MAX4351
Ultra-Small, Low-Cost, 210MHz, Dual-Supply
Op Amps with Rail-to-Rail Outputs
8
_______________________________________________________________________________________
RG
RF
RISO
50
CL
VOUT
VIN
RTIN
MAX435 _
Figure 2. Driving a Capacitive Load Through an Isolation Resistor
30
25
20
5
10
15
0
CAPACITIVE LOAD (pF)
50
0
100
200
150
250
ISOLATION
RESISTANCE
(
)
Figure 3. Isolation Resistance vs. Capacitive Load
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4350EXK | 制造商:Maxim Integrated Products 功能描述:ULTRA-SMALL LOW-COST 250MHZ DUAL - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX4350EXK+ | 制造商:Maxim Integrated Products 功能描述:OP AMP SGL VOLT FDBK R-R O/P 5.5V/11V 5PIN SC-70 - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX4350EXK+T | 功能描述:高速运算放大器 210MHz Dual-Supply w/Rail-Rail Output RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4350EXK-T | 功能描述:高速运算放大器 RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4351EKA | 制造商:Maxim Integrated Products 功能描述:ULTRA-SMALL LOW-COST 250MHZ DUAL - Cut Tape Product |
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