参数资料
| 型号： | AD8131ARZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 13/21页 |
| 文件大小： | 0K |
| 描述： | IC AMP DIFF LDIST 60MA 8SOIC |
| 标准包装： | 2,500 |
| 放大器类型： | 差分 |
| 电路数： | 1 |
| 输出类型： | 差分 |
| 转换速率： | 2000 V/µs |
| -3db带宽： | 400MHz |
| 电流 - 输入偏压： | 500nA |
| 电压 - 输入偏移： | 1500µV |
| 电流 - 电源： | 11.5mA |
| 电流 - 输出 / 通道： | 60mA |
| 电压 - 电源，单路/双路(±)： | 2.8 V ~ 11 V，±1.4 V ~ 5.5 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) |
AD8131
Rev. B | Page 19 of 20
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
P
OUT
(dBm)
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
FREQUENCY (MHz)
01072-042
Figure 42. FFT Plot for AD8131/AD9203
UNITY-GAIN, SINGLE-ENDED-TO-DIFFERENTIAL
DRIVER
If it is not necessary to offset the output common-mode voltage
(via the VOCM pin), then the AD8131 can make a simple unity-
gain single-ended-to-differential amplifier that does not require
any external components. Figure 43 shows the schematic for
this circuit.
–
INPUT
OUT
+OUT
8
2
3
6
5
4
+
1
49.9
Ω
10 F
0.1 F
10 F
0.1 F
+5V
–5V
AD8131
01072-043
Figure 43. Unity Gain, Single-Ended-to-Differential Amplifier
As shown above, when DIN is left floating, there is 100%
feedback of +OUT to IN via the internal feedback resistor.
This contrasts with the typical gain of 2 operation where DIN is
grounded and one third of the +OUT is fed back to IN. The
result is a closed-loop differential gain of 1.
Upon careful observation, it can be seen that only +DIN and VOCM
are referenced to ground. The ground voltage at VOCM is the
reference for this circuit. In this unity gain configuration, if a dc
voltage is applied to VOCM to shift the common-mode voltage, a
differential dc voltage will be created at the output, along with the
common-mode voltage change. Thus, this configuration cannot
be used when it is desired to offset the common-mode voltage of
the output with respect to the input at +DIN.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD8131ARZ-REEL7 | 功能描述:IC AMP DIFF LDIST 60MA 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:LinCMOS™ 放大器类型:通用 电路数:4 输出类型:- 转换速率:0.05 V/µs 增益带宽积:110kHz -3db带宽:- 电流 - 输入偏压:0.7pA 电压 - 输入偏移:210µV 电流 - 电源:57µA 电流 - 输出 / 通道:30mA 电压 - 电源，单路/双路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOIC 包装:管件 产品目录页面:865 (CN2011-ZH PDF) 其它名称:296-1834296-1834-5 |
| AD8131-EVAL | 制造商:AD 制造商全称:Analog Devices 功能描述:Low-Cost, High-Speed Differential Driver |
| AD8132 | 制造商:AD 制造商全称:Analog Devices 功能描述:Low-Cost, High-Speed Differential Amplifier |
| AD8132_06 | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Cost, High Speed Differential Amplifier |
| AD8132_09 | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Cost, High Speed Differential Amplifier |
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