参数资料
| 型号： | ADA4897-2ARMZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 18/29页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP RR 230MHZ LP 10MSOP |
| 标准包装： | 50 |
| 放大器类型： | 电压反馈 |
| 电路数： | 2 |
| 输出类型： | 满摆幅 |
| 转换速率： | 120 V/µs |
| -3db带宽： | 230MHz |
| 电流 - 输入偏压： | 11µA |
| 电压 - 输入偏移： | 28µV |
| 电流 - 电源： | 3mA |
| 电流 - 输出 / 通道： | 80mA |
| 电压 - 电源，单路/双路(±)： | 3 V ~ 10 V，±1.5 V ~ 5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 管件 |
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ADA4896-2/ADA4897-1/ADA4897-2
Data Sheet
Rev.
| Page 24 of 28
LAYOUT CONSIDERATIONS
To ensure optimal performance, careful and deliberate attention
must be paid to the board layout, signal routing, power supply
bypassing, and grounding.
Ground Plane
It is important to avoid ground in the areas under and around the
Stray capacitance created between the ground plane and the
input and output pads of a device is detrimental to high speed
amplifier performance. Stray capacitance at the inverting input,
along with the amplifier input capacitance, lowers the phase
margin and can cause instability. Stray capacitance at the output
creates a pole in the feedback loop, which can reduce phase margin
and can cause the circuit to become unstable.
Power Supply Bypassing
Power supply bypassing is a critical aspect in the performance
tion of capacitors from each power supply pin to ground works
best. Smaller value capacitor electrolytics offer better high
frequency response, whereas larger value capacitor electrolytics
offer better low frequency performance.
Paralleling different values and sizes of capacitors helps to ensure
that the power supply pins are provided with a low ac impedance
across a wide band of frequencies. This is important for minimiz-
ing the coupling of noise into the amplifier—especially when the
amplifier PSRR begins to roll off—because the bypass capacitors
can help lessen the degradation in PSRR performance.
The smallest value capacitor should be placed on the same side
of the board as the amplifier and as close as possible to the amp-
lifier power supply pins. The ground end of the capacitor should
be connected directly to the ground plane.
It is recommended that a 0.1 μF ceramic capacitor with a 0508
case size be used. The 0508 case size offers low series inductance
and excellent high frequency performance. A 10 μF electrolytic
capacitor should be placed in parallel with the 0.1 μF capacitor.
Depending on the circuit parameters, some enhancement to
performance can be realized by adding additional capacitors.
Each circuit is different and should be analyzed individually for
optimal performance.
B
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADA4897-2ARMZ_PROMO | 制造商:Analog Devices 功能描述:OP AMP 230MHZ 20V/US 500UV |
| ADA4897-2ARMZ-R7 | 功能描述:IC OPAMP RR 230MHZ LP 10MSOP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 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 |
| ADA4897-2ARMZ-RL | 功能描述:IC OPAMP RR 230MHZ LP 10MSOP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 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 |
| ADA4897-2TRMZ-EP | 制造商:Analog Devices 功能描述:LOW NOISE LOW POWER R/R OP AMP DUAL - Rail/Tube 制造商:Analog Devices 功能描述:IC OPAMP GP 230MHZ RRO 10MSOP 制造商:Analog Devices 功能描述:Low Noise Low Power R/R Op Amp Dual |
| ADA4898-1 | 制造商:AD 制造商全称:Analog Devices 功能描述:High Voltage, Low Noise, Low Distortion, Unity Gain Stable, High Speed Op Amp |
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