参数资料
| 型号： | EL5227CL-T13 |
| 厂商： | Intersil |
| 文件页数： | 5/17页 |
| 文件大小： | 0K |
| 描述： | IC BUFFER LP OCT 2.5MHZ 24-QFN |
| 标准包装： | 2,500 |
| 放大器类型： | 缓冲器 |
| 电路数： | 8 |
| 输出类型： | 满摆幅 |
| 转换速率： | 2.2 V/µs |
| -3db带宽： | 2.5MHz |
| 电流 - 输入偏压： | 2nA |
| 电压 - 输入偏移： | 1000µV |
| 电流 - 电源： | 1.3mA |
| 电流 - 输出 / 通道： | 120mA |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN-EP |
| 包装： | 带卷 (TR) |
13
FN7111.4
May 4, 2007
Driving Capacitive Loads
The EL5127, EL5227, EL5327, and EL5427 can drive a wide
range of capacitive loads. As load capacitance increases,
however, the -3dB bandwidth of the device will decrease and
the peaking increase. The buffers drive 10pF loads in
parallel with 10k
Ω with just 1.5dB of peaking, and 100pF
with 6.4dB of peaking. If less peaking is desired in these
applications, a small series resistor (usually between 5
Ω and
50
Ω) can be placed in series with the output. However, this
will obviously reduce the gain slightly. Another method of
reducing peaking is to add a “snubber” circuit at the output.
A snubber is a shunt load consisting of a resistor in series
with a capacitor. Values of 150
Ω and 10nF are typical. The
advantage of a snubber is that it does not draw any DC load
current or reduce the gain.
Power Supply Bypassing and Printed Circuit
Board Layout
As with any high frequency device, good printed circuit
board layout is necessary for optimum performance. Ground
plane construction is highly recommended, lead lengths
should be as short as possible, and the power supply pins
must be well bypassed to reduce the risk of oscillation. For
normal single supply operation, where the VS- pin is
connected to ground, a 0.1F ceramic capacitor should be
placed from VS+ pin to VS- pin. A 4.7F tantalum capacitor
should then be connected from VS+ pin to ground. One
4.7F capacitor may be used for multiple devices. This same
capacitor combination should be placed at each supply pin
to ground if split supplies are to be used.
EL5127, EL5227, EL5327, EL5427
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EL5227CL-T7 | 功能描述:IC BUFFER LP OCT 2.5MHZ 24-QFN RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:通用 电路数:2 输出类型:满摆幅 转换速率:1.8 V/µs 增益带宽积:6.5MHz -3db带宽:4.5MHz 电流 - 输入偏压:5nA 电压 - 输入偏移:100µV 电流 - 电源:65µA 电流 - 输出 / 通道:35mA 电压 - 电源，单路/双路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作温度:-40°C ~ 85°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 |
| EL5227CLZ | 功能描述:运算放大器 - 运放 EL5227CLZ OCTALUFR LW PWR RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| EL5227CLZ-T13 | 功能描述:运算放大器 - 运放 EL5227CLZ OCTALUFR LW PWR RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| EL5227CLZ-T7 | 功能描述:运算放大器 - 运放 EL5227CLZ OCTALUFR LW PWR RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| EL5227CR | 功能描述:IC BUFFER LP OCT 2.5MHZ 20-TSSOP RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:通用 电路数:2 输出类型:满摆幅 转换速率:1.8 V/µs 增益带宽积:6.5MHz -3db带宽:4.5MHz 电流 - 输入偏压:5nA 电压 - 输入偏移:100µV 电流 - 电源:65µA 电流 - 输出 / 通道:35mA 电压 - 电源，单路/双路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作温度:-40°C ~ 85°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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