参数资料
| 型号： | AD8307ARZ-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 8/24页 |
| 文件大小： | 0K |
| 描述： | IC AMP LOGARITHMIC 8-SOIC |
| 标准包装： | 1 |
| 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-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 标准包装 |
| 其它名称： | AD8307ARZ-RL7DKR |
AD8307
Rev. D | Page 16 of 24
It can be desirable to increase the speed of the output response,
with the penalty of increased ripple. One way to do this is by
connecting a shunt load resistor from Pin OUT to ground,
which raises the low-pass corner frequency. This also alters the
logarithmic slope, for example, to 7.5 mV/dB using a 5.36 kΩ
resistor, while reducing the 10% to 90% rise time to 25 ns. The
ripple amplitude for the 50 MHz input remains at 0.5 mV, but
this is now equivalent to ±0.07 dB. If a negative supply is available,
the output pin can be connected directly to the summing node
of an external op amp connected as an inverting mode transresis-
tance stage.
Note that while the AD8307 can operate down to supply voltages
of 2.7 V, the output voltage limit is reduced when the supply
drops below 4 V. This characteristic is the result of necessary
headroom requirements, approximately two VBE drops, in the
design of the output stage.
1.25k
25mV/dB
OUT
2A/dB
0A TO 220A
INT
FROM ALL
DETECTORS
CFLT
C2
1pF
VPS
BIAS
1.25k
~400mV
8.25k
60k
60A
COM
R1
12.5k
C1
2.5pF
3pF
LGP
LGM
1.25k
01
08
2-
03
1
4
7
5
2
Figure 31. Simplified Output Interface
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD8307-EB | 制造商:Analog Devices 功能描述:AD8307 EVALUATION BOARD - Bulk |
| AD8309 | 制造商:AD 制造商全称:Analog Devices 功能描述:5 MHz.500 MHz 100 dB Demodulating Logarithmic Amplifier with Limiter Output |
| AD8309ARU | 功能描述:IC LOGARITHM AMP 100DB 16-TSSOP RoHS:否 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 |
| AD8309ARU-REEL | 制造商:Analog Devices 功能描述: |
| AD8309ARU-REEL7 | 功能描述:IC LOG AMP DEMODULATING 16-TSSOP RoHS:否 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 |
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