参数资料
| 型号： | OP497GSZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP 500KHZ QUAD 16SOIC |
| 标准包装： | 1,000 |
| 放大器类型： | 通用 |
| 电路数： | 4 |
| 转换速率： | 0.15 V/µs |
| 增益带宽积： | 500kHz |
| 电流 - 输入偏压： | 60pA |
| 电压 - 输入偏移： | 80µV |
| 电流 - 电源： | 525µA |
| 电流 - 输出 / 通道： | 25mA |
| 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： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 带卷 (TR) |
OP497
Rev. E | Page 10 of 16
APPLICATIONS INFORMATION
Extremely low bias current makes the OP497 attractive for use
in sample-and-hold amplifiers, peak detectors, and log amplifiers
that must operate over a wide temperature range. Balancing
input resistances is not necessary with the OP497. High source
resistance, even when unbalanced, only minimally degrades the
offset voltage and TCVOS.
The input pins of the OP497 are protected against large differential
voltage by back-to-back diodes and current-limiting resistors.
Common-mode voltages at the inputs are not restricted and
may vary over the full range of the supply voltages used.
The OP497 requires very little operating headroom about the
supply rails and is specified for operation with supplies as low as
±2 V. Typically, the common-mode range extends to within 1 V
of either rail. When using a 10 kΩ load, the output typically
swings to within 1 V of the rails.
AC PERFORMANCE
The ac characteristics of the OP497 are highly stable over its full
operating temperature range. Figure 30 shows the unity-gain
small signal response. Extremely tolerant of capacitive loading
on the output, the OP497 displays excellent response even with
1000 pF loads (see Figure 31).
10
90
100
0%
20mV
5s
00
30
9-
0
32
Figure 30. Small Signal Transient Response (CLOAD = 100 pF, AVCL = +1)
10
90
100
0%
20mV
5s
0
03
09
-03
3
Figure 31. Small Signal Transient Response (CLOAD = 1000 pF, AVCL = +1)
10
90
100
0%
2V
50s
00
30
9-
03
4
Figure 32. Large Signal Transient Response (AVCL = +1)
–IN
+IN
2.5k
V+
VOUT
V–
2.5k
00
30
9-
0
31
Figure 33. Simplified Schematic Showing One Amplifier
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相关代理商/技术参数 |
参数描述 |
|---|---|
| OP497GSZ-REEL1 | 制造商:AD 制造商全称:Analog Devices 功能描述:Precision Picoampere Input Current Quad Operational Amplifier |
| OP497GY | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Operational Amplifier |
| OP-497GY | 制造商:AD 制造商全称:Analog Devices 功能描述:PRECISION PICOAMPERE INPUT CURRENT QUAD OPERATIONAL AMPLIFIER |
| OP-4FM1-0442 | 功能描述:LED 照明镜头配支架 Optic Atlas Series Narrow with Holder RoHS:否 制造商:Molex 类型:LED Array Holders with Cover 用于:Sharp Mega Zenigata Series 显示角: 安装风格:Screw 系列: 封装: |
| OP-4FW1-0441 | 功能描述:LED 照明镜头配支架 Optic Atlas Series Wide with Holder RoHS:否 制造商:Molex 类型:LED Array Holders with Cover 用于:Sharp Mega Zenigata Series 显示角: 安装风格:Screw 系列: 封装: |
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