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参数资料
| 型号： | OPA4336EA |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 运算放大器 |
| 英文描述： | QUAD OP-AMP, 500 uV OFFSET-MAX, 0.1 MHz BAND WIDTH, PDSO16 |
| 封装： | PLASTIC, SSOP-16 |
| 文件页数： | 18/19页 |
| 文件大小： | 1064K |
| 代理商： | OPA4336EA |
OPA336, 2336, 4336
8
SBOS068C
www.ti.com
accuracy. For example, with RL = 25k, OPA336 series op
amps perform well with capacitive loads in excess of 1000pF,
as shown in Figure 4. Without RS, capacitive load drive is
typically 350pF for these conditions, as shown in Figure 5.
Capacitive
Load
(pF)
Resistive Load (k
)
10
5
100
10k
1k
100
Operation Above Selected Gain
Curve Not Recommended
G = +1
R
L to Ground
G = +2
R
L to Ground
G = +1
R
L to VS/2
V
S = +5V, VO = VS/2
FIGURE 4. Small-Signal Step Response Using Series Re-
sistor to Improve Capacitive Load Drive.
Alternatively, the resistor may be connected in series with
the output outside of the feedback loop. However, if there is
a resistive load parallel to the capacitive load, it and the
series resistor create a voltage divider. This introduces a
Direct Current (DC) error at the output; however, this error
may be insignificant. For instance, with RL = 100k and
RS = 100, there is only about a 0.1% error at the output.
Figure 5 shows the recommended operating regions for the
OPA336. Decreasing the load resistance generally improves
capacitive load drive. Figure 5 also illustrates how stability
differs depending on where the resistive load is connected.
With G = +1 and RL = 10k connected to VS/2, the OPA336
can typically drive 500pF. Connecting the same load to
ground improves capacitive load drive to 1000pF.
R
S = 100, Load = 2k || 1000pF, VS = +5V
50
s/div
2
0
m
V
/d
iv
FIGURE 5. Stability—Capacitive Load vs Resistive Load.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| OPA4336EA/250 | 功能描述:运算放大器 - 运放 Single-Supply MicroPower CMOS 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 |
| OPA4336EA/250G4 | 功能描述:运算放大器 - 运放 Single-Supply MicroPower CMOS 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 |
| OPA4336EA/2K5 | 功能描述:运算放大器 - 运放 Single-Supply MicroPower CMOS 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 |
| OPA4336EA/2K5G4 | 功能描述:运算放大器 - 运放 Single-Supply MicroPower CMOS 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 |
| OPA4336PA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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