参数资料
| 型号： | AD8310ARMZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/24页 |
| 文件大小： | 0K |
| 描述： | IC LOGARITHMIC AMP 95DB 8-MSOP |
| 产品培训模块： | Choosing and Using RF Detectors |
| 标准包装： | 50 |
| 类型： | 对数放大器 |
| 应用： | 接收器信号强度指示（RSSI） |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 管件 |
| 产品目录页面： | 550 (CN2011-ZH PDF) |
AD8310
Rev. F | Page 13 of 24
For zero-signal conditions, all the detector output currents are
equal. For a finite input of either polarity, their difference is
converted by the output interface to a single-sided unipolar
current, nominally scaled 2 μA/dB (40 μA/decade), at the
output pin BFIN. An on-chip resistor of ~3 kΩ, R1, converts
this current to a voltage of 6 mV/dB. This is then amplified by a
factor of 4 in the output buffer, which can drive a current of up
to 25 mA in a grounded load resistor. The overall rise time of
the AD8310 is less than 15 ns. There is also a delay time of
about 6 ns when the log amp is driven by an RF burst, starting
at zero amplitude.
When driving capacitive loads, it is desirable to add a low value
of load resistor to speed up the return to the baseline; the buffer
is stable for loads of a least 100 pF. The output bandwidth can
be lowered by adding a grounded capacitor at BFIN. The time-
constant of the resulting single-pole filter is formed with the
3 kΩ internal load resistor (with a tolerance of 20%). Therefore,
to set the 3 dB frequency to 20 kHz, use a capacitor of 2.7 nF.
Using 2.7 μF, the filter corner is at 20 Hz.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD8310ARMZ | 制造商:Analog Devices 功能描述:Operational Amplifier (Op-Amp) IC |
| AD8310ARMZ-REEL1 | 制造商:AD 制造商全称:Analog Devices 功能描述:Fast, Voltage-Out DC-440 MHz, 95 dB Logarithmic Amplifier |
| AD8310ARMZ-REEL7 | 功能描述:IC AMP LOGARITHMIC 8MSOP RoHS:是 类别:集成电路 (IC) >> 线性 - 放大器 - 专用 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:60 系列:- 类型:可变增益放大器 应用:CATV 安装类型:表面贴装 封装/外壳:20-WQFN 裸露焊盘 供应商设备封装:20-TQFN-EP（5x5） 包装:托盘 |
| AD8310ARMZ-REEL71 | 制造商:AD 制造商全称:Analog Devices 功能描述:Fast, Voltage-Out DC-440 MHz, 95 dB Logarithmic Amplifier |
| AD8310-EVAL | 制造商:Analog Devices 功能描述:AD8310 EVALUATION BOARD - Bulk |
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