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参数资料
| 型号： | 5962F9175801MXX |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 运算放大器 |
| 英文描述： | OP-AMP, 3500 uV OFFSET-MAX, 300 MHz BAND WIDTH, CDSO10 |
| 封装： | CERAMIC, SOIC-10 |
| 文件页数： | 11/12页 |
| 文件大小： | 359K |
| 代理商： | 5962F9175801MXX |
Application Division
1275216
FIGURE 1. Recommended Non-Inverting Gain Circuit
1275217
FIGURE 2. Recommended Inverting Gain Circuit
Description
The CLC420 is a high speed, slew boosted, voltage feedback
amplifier with unity-gain stability. These features along with
matched inputs, low input bias and noise currents, and ex-
cellent CMRR render the CLC420 very attractive for active
filters, differential amplifiers, log amplifiers, and tran-
simpedance amplifiers.
DC accuracy
Unlike current feedback amplifiers, voltage-feedback ampli-
fiers have matched inputs. This means that the non inverting
and inverting input bias current are well matched and track
over temperature, etc. As a result, by matching the resistance
looking out of the two inputs, these errors can be reduced to
a small offset current term.
Gain bandwidth product
Since the CLC420 is a voltage feedback op amp, closed loop
bandwidth is approximately equal to the gain bandwidth prod-
uct (typically 100MHz) divided by the noise gain of the circuit
(for noise gains greater than 5). At lower noise gains, higher
order amplifier poles contribute to higher closed loop band-
width. At low gains use the frequency response performance
plots given in the data sheet.
Another point to remember is that the closed loop bandwidth
is determined by the noise gain, not the signal gain of the
circuit. Noise gain is the reciprocal of the attenuation in the
feedback network enclosing the op amp. For example, a
CLC420 setup as a non-inverting amplifier with a closed loop
gain of +1 (a noise gain of 1) has a 300MHz bandwidth. When
used as an inverting amplifier with a gain of 1 (a noise gain
of 2), the bandwidth is less, typically only 100MHz.
Full-power bandwidth, and slew-rate
The CLC420 combines exceptional full power bandwidths
(40MHz, V
0 = 5Vpp, AV = +1) and slew rates (1100V/s, AV =
+1) with low (40mW) power consumption. These attractive
results are achieved by using slew boosting circuitry to keep
the slew rates high while consuming very little power.
In non slew boosted amplifiers, full power bandwidth can be
easily determined from slew rate measurements, but in slew
www.national.com
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CLC420
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 5962F9202201VXA | 制造商:STMicroelectronics 功能描述:RAD HARD 16 BIT BUS BUFFER WITH 3 STATE NON INVERTED - Bulk |
| 5962F9218301VXA | 制造商:STMicroelectronics 功能描述:HEX SCHMITT INVERTER RHFACT14K02V - Bulk |
| 5962F9553601VHA | 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 |
| 5962F9553601VPA | 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 |
| 5962F9553601VXA | 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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