参数资料
型号: OP97FS-REEL7
厂商: Analog Devices Inc
文件页数: 4/16页
文件大小: 0K
描述: IC OPAMP GP LP PREC 8SOIC
标准包装: 1
放大器类型: 通用
电路数: 1
转换速率: 0.2 V/µs
-3db带宽: 900kHz
电流 - 输入偏压: 30pA
电压 - 输入偏移: 30µV
电流 - 电源: 380µA
电压 - 电源,单路/双路(±): ±2 V ~ 20 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 标准包装
其它名称: OP97FS-REEL7DKR
OP97
Rev. G | Page 12 of 16
AC PERFORMANCE
The ac characteristics of the OP97 are highly stable over its full
operating temperature range. Unity-gain small-signal response
is shown in Figure 30. Extremely tolerant of capacitive loading
on the output, the OP97 displays excellent response even with
1000 pF loads (see Figure 31). In large signal applications, the
input protection diodes effectively short the input to the output
during the transients if the amplifier is connected in the usual
unity-gain configuration. The output enters short-circuit current
limit, with the flow going through the protection diodes.
Improved large signal transient response is obtained by using a
feedback resistor between the output and the inverting input.
Figure 32 shows the large-signal response of the OP97 in unity-
gain with a 10 kΩ feedback resistor. The unity-gain follower
circuit is shown in Figure 33.
The overcompensation pin (Pin 5) can be used to increase the
phase margin of the OP97 or to decrease gain bandwidth
product at gains greater than 10.
00
29
9-
0
30
20mV
5s
100
90
10
0%
Figure 30. Small Signal Transient Response
(CLOAD = 100 pF, AVCL = 1)
00
29
9-
0
31
100
90
10
0%
20mV
5s
0
029
9-
0
32
100
90
10
0%
20s
2V
00
29
9-
0
33
Figure 31. Small-Signal Transient Response
(CLOAD = 1000 pF, AVCL = 1)
Figure 32. Large Signal Transient Response (AVCL = 1)
VOUT
VIN
OP97
10k
2
3
6
00
29
9-
03
4
Figure 33. Unity-Gain Follower
100
90
10
0%
20mV
5s
Figure 34. Small Signal Transient Response with Overcompensation
(CLOAD = 1000 pF, AVCL = 1, COC = 220 pF)
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