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参数资料
| 型号： | ADA4001-2ARZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP JFET RRO DUAL LN 8SOIC |
| 标准包装： | 1,000 |
| 放大器类型： | J-FET |
| 电路数： | 2 |
| 输出类型： | 满摆幅 |
| 转换速率： | 25 V/µs |
| 增益带宽积： | 16.7MHz |
| -3db带宽： | 10.3MHz |
| 电流 - 输入偏压： | 20pA |
| 电压 - 输入偏移： | 500µV |
| 电流 - 电源： | 2mA |
| 电流 - 输出 / 通道： | 50mA |
| 电压 - 电源，单路/双路(±)： | 10 V ~ 36 V，±5 V ~ 18 V |
| 工作温度： | -40°C ~ 125°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： | 带卷 (TR) |
Data Sheet
ADA4001-2
Rev. C | Page 11 of 12
INPUT BIAS CURRENT
Because the ADA4001-2 has a JFET input stage, the input bias
current, due to the reverse-biased junction, has a leakage
current that approximately doubles every 10°C. The power
dissipation of the part, combined with the thermal resistance of
the package, results in the junction temperature increasing 30°C
above ambient. This parameter is tested with high speed ATE
equipment, which does not result in the die temperature
reaching equilibrium. This is correlated with bench
measurements to match the guaranteed maximum at room
temperature in Table 1.
The input current can be reduced by keeping the temperature as
low as possible and using a light load on the output.
NOISE CONSIDERATIONS
The JFET input stage offers very low input voltage noise and
input current noise. The thermal noise of a 1 k resistor at
room temperature is 4 nV/√Hz, thus low values of resistance
should be used for dc-coupled inverting and noninverting
amplifier configurations. In the case of transimpedance
amplifiers (TIAs), current noise is more important.
The ADA4001-2 is an excellent choice for both of these
applications. Analog Devices, Inc., offers a wide variety of low
voltage noise and low current noise op amps in a variety of
processes optimized for different supply voltage ranges. Refer
to the AN-940 Application Note for a complete discussion of
noise, calculations, and selection tables for more than three
dozen low noise, op amp families.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADA4001-2ARZ-RL | 功能描述:IC OPAMP JFET RRO DUAL LN 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:- 放大器类型:通用 电路数:1 输出类型:满摆幅 转换速率:0.11 V/µs 增益带宽积:350kHz -3db带宽:- 电流 - 输入偏压:4nA 电压 - 输入偏移:20µV 电流 - 电源:260µA 电流 - 输出 / 通道:20mA 电压 - 电源，单路/双路(±):2.7 V ~ 36 V，±1.35 V ~ 18 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:带卷 (TR) |
| ADA4004-1 | 制造商:AD 制造商全称:Analog Devices 功能描述:1.8 nV/Hz, 36 V Precision Single and Dual Amplifier |
| ADA4004-1_08 | 制造商:AD 制造商全称:Analog Devices 功能描述:1.8 nV/√Hz, 36 V Precision Quad Amplifiers |
| ADA4004-1_09 | 制造商:AD 制造商全称:Analog Devices 功能描述:1.8 nV/√Hz, 36 V Precision Amplifiers |
| ADA4004-1ARJZ-R2 | 功能描述:IC OPAMP GP 12MHZ PREC SOT23-5 RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:iPolar® 标准包装:73 系列:Over-The-Top® 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.07 V/µs 增益带宽积:200kHz -3db带宽:- 电流 - 输入偏压:1nA 电压 - 输入偏移:285µV 电流 - 电源:50µA 电流 - 输出 / 通道:25mA 电压 - 电源，单路/双路(±):2 V ~ 44 V，±1 V ~ 22 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-WFDFN 裸露焊盘 供应商设备封装:16-DFN-EP（5x3） 包装:管件 |
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