参数资料
| 型号： | AD708JNZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP DUAL PREC 8DIP |
| 标准包装： | 50 |
| 放大器类型： | 通用 |
| 电路数： | 2 |
| 转换速率： | 0.3 V/µs |
| -3db带宽： | 900kHz |
| 电流 - 输入偏压： | 1nA |
| 电压 - 输入偏移： | 30µV |
| 电流 - 电源： | 4.5mA |
| 电压 - 电源，单路/双路(±)： | 6 V ~ 36 V，±3 V ~ 18 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
| 产品目录页面： | 766 (CN2011-ZH PDF) |
AD708
Rev. C | Page 10 of 16
THEORY OF OPERATION
CROSSTALK PERFORMANCE
The AD708 exhibits very low crosstalk as shown in Figure 25,
Figure 26, and Figure 27. Figure 25 shows the offset voltage
induced on Side B of the AD708 when Side A output is moving
slowly (0.2 Hz) from 10 V to +10 V under no load. This is the
least stressful situation to the part because the overall power in
the chip does not change. Only the location of the power in the
output device changes. Figure 26 shows the input offset voltage
change to Side B when Side A is driving a 2 kΩ load. Here the
power changes in the chip with the maximum power change
occurring at 7.5 V. Figure 27 shows crosstalk under the most
severe conditions. Side A is connected as a follower with
0 V input, and is forced to sink and source ±5 mA of output
current.
Power = (30 V)(5 mA) = 150 mW
Even this large change in power causes only an 8 μV (linear)
change in the input offset voltage of Side B.
05
78
9-
02
5
VOUTA = 2V/DIV
Δ
V
OS
B
=
1
V/
D
IV
2V
AVOUTA
VIN = ±10V
BVOUTB
10k
10
Figure 25. Crosstalk with No Load
05
78
9-
02
6
VOUTA = 2V/DIV
Δ
V
OS
B
=
1
V
/D
IV
2V
AVOUTA
VIN = ±10V
BVOUTB
10k
2k
10
Figure 26. Crosstalk with 2 kΩ Load
05
78
9-
02
7
INA = 1mA/DIV
Δ
V
OS
B
=
2
V/
D
IV
2V
A
VIN = ±10V
IIN = ±5mA
BVOUTB
10k
2k
10
Figure 27. Crosstalk Under Forced Source and Sink Conditions
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD708JQ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage-Feedback Operational Amplifier |
| AD708KH | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage-Feedback Operational Amplifier |
| AD708KN | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage-Feedback Operational Amplifier |
| AD708KQ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage-Feedback Operational Amplifier |
| AD708SGRADECHIPS | 制造商:AD 制造商全称:Analog Devices 功能描述:Ultralow Offset Voltage Dual Op Amp |
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