参数资料
型号: AD827AQ
厂商: Analog Devices Inc
文件页数: 9/12页
文件大小: 0K
描述: IC OPAMP GP 50MHZ DUAL LP 8CDIP
标准包装: 48
放大器类型: 通用
电路数: 2
转换速率: 300 V/µs
增益带宽积: 50MHz
电流 - 输入偏压: 3.3µA
电压 - 输入偏移: 300µV
电流 - 电源: 10.5mA
电流 - 输出 / 通道: 32mA
电压 - 电源,单路/双路(±): ±4.5 V ~ 18 V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 8-CDIP(0.300",7.62mm)
供应商设备封装: 8-CERDIP
包装: 管件
AD827
REV. C
–6–
Figure 19. Crosstalk vs. Frequency
Figure 20. Crosstalk Test Circuit
INPUT PROTECTION PRECAUTIONS
An input resistor (resistor RIN of Figure 21a) is recommended in
circuits where the input common-mode voltage to the AD827
may exceed (on a transient basis) the positive supply voltage.
This resistor provides protection for the input transistors by
limiting the maximum current that can be forced into their bases.
Figure 21c. Follower Small
Signal Pulse Response
Figure 22c. Inverter Small
Signal Pulse Response
Figure 21b. Follower Large
Signal Pulse Response
Figure 22b. Inverter Large
Signal Pulse Response
Figure 21a. Follower Connection
Figure 22a. Inverter Connection
For high performance circuits, it is recommended that a second
resistor (RB in Figures 21a and 22a) be used to reduce bias-
current errors by matching the impedance at each input. This
resistor reduces the error caused by offset voltages by more than
an order of magnitude.
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