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  5. AD8079

英文数据手册 Rev. A
PDF
(产品技术资料帮助）
SPICE模型
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概览

优势和特点

  • Factory Set Gain
    Gain of 2.2 Compensates for System Gain Loss
    Minimizes External Components
    Tight Control of Gain and Gain Matching (0.1%)
  • Optimum Dual Pinout
    Simplifies PCB Layout
    Low Crosstalk of -70dB @ 5MHz
  • Excellent Video Specifications (RL=150 Ω)
    Gain Flatness 0.1dB to 50MHz
    0.01% Differential Gain Error
    0.02° Differential Phase Error
  • Low Power of 50 mW/Amplifier (5mA)
  • High Speed and Fast Settling
    260MHz, -3dB Bandwidth
    750 V/µs Slew Rate (2 V Step), 800 V/µs 4 V Step)
    40 ns Settling Time to 0.1% (2V Step)
  • Low Distortion of -65dBc THD, fc=5MHz
  • High Output Drive of Over 70mA

产品详情

The AD8079 is a dual, low power, high speed buffer designed to operate on ±5 V supplies. The AD8079's pinout offers excellent input and output isolation compared to the traditional dual amplifier pin configuration. With two ac ground pins separating both the inputs and outputs, the AD8079 achieves very low crosstalk of less than -70 dB at 5 MHz.

Additionally, the AD8079 contains gain setting resistors factory set at G = +2.0 (A grade) or Gain = +2.2 (B grade) allowing circuit configurations with minimal external components. The B grade gain of +2.2 compensates for gain loss through a system by providing a single-point trim. Using active laser trimming of these resistors, the AD8079 guarantees tight control of gain and channel-channel gain matching. With its performance and figuration, the AD8079 is well suited for driving differential cables and transformers. Its low distortion and fast settling are ideal for buffering high speed dual or differential A-to-D converters.

The AD8079 features a unique transimpedance linearization circuitry. This allows it to drive video loads with excellent differential gain and phase performance of 0.01% and 0.02° on only 50 mW of power per amplifier. It features gain flatness of 0.1 dB to 50 MHz. This makes the AD8079 ideal for professional video electronics such as cameras and video switchers.

The AD8079 offers low power of 5 mA/amplifier (VS = ±5 V) and can run on a single +12 V power supply while delivering over 70 mA of load current. All of this is offered in a small 8-pin SOIC package. These features make this amplifier ideal for portable and battery powered applications where size and power are critical.

The outstanding bandwidth of 260 MHz along with 800 V/µs of slew rate make the AD8079 useful in many general purpose high speed applications where dual power supplies of ±3 V to ±6 V are required.

The AD8079 is available in the industrial temperature range of -40°C to +85°C.

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参考资料

  • 查看全部 (19)
  • 数据手册 (1)
  • 应用笔记 (3)
  • 技术指南 (13)
  • 产品选型手册 (1)
  • 在线研讨会 (1)
    • Document Type
    技术指南

    工具及仿真模型

    SPICE模型

    AD8079 SPICE Macro Models

    设计工具

    VRMS/dBm/dBu/dBV计算器

    功率测量和信号强度的标准单位之间的换算工具。

    功耗与芯片温度

    该工具根据电源电压、环境温度、负载特性和封装热数据估算芯片温度和功耗。

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    Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    AD8079ARZ 材料声明 质量和可靠性 8-Lead SOIC
    AD8079ARZ-REEL 材料声明 质量和可靠性 8-Lead SOIC
    AD8079ARZ-REEL7 材料声明 质量和可靠性 8-Lead SOIC
    AD8079BRZ 材料声明 质量和可靠性 8-Lead SOIC
    AD8079BRZ-REEL 材料声明 质量和可靠性 8-Lead SOIC
    AD8079BRZ-REEL7 材料声明 质量和可靠性 8-Lead SOIC
    Wafer Fabrication Data

    PCN-PDN信息

    Select a model from the dropdown below to subscribe to PCN/PDN notifications and view past notifications as well.

    Select Model for PCN Information
    • AD8079ARZ 量产
    • AD8079ARZ-REEL 量产
    • AD8079ARZ-REEL7 量产
    • AD8079BRZ 量产
    • AD8079BRZ-REEL 量产
    • AD8079BRZ-REEL7 量产

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