NB7VPQ16M: Pre-Emphasis Copper / Cable Driver, 12.5 Gbps, Programmable, 1.8 V / 2.5 V, with Selectable Equalizer Receiver

具体说明: The NB7VPQ16M is a high performance single channel...
  • The NB7VPQ16M is a high performance single channel programmable Pre-Emphasis CML Driver with an Equalizer Receiver, signal enhancer, that operates up to 12.5 Gbps with a 1.8 V or 2.5 V power supply. When placed in series with a Data/Clock path, the NB7VPQ16M inputs will compensate the degraded signal transmitted across a FR4 PCB backplane or cable interconnect. Therefore, the serial data rate is increased by reducing Inter-Symbol Interference, ISI, caused by losses in copper interconnect or long cables. The Pre-Emphasis buffer is controlled using a serial bus via the SDIN, Serial Data In, and SCLKIN, Serial Clock In, control inputs and contains circuitry which provides sixteen programmable Pre-Emphasis settings to select the optimal output compensation level. These selectable output levels will handle various backplane lengths and cable lines. The first four SDIN bits, D3:D0, will digitally select 0dB through 12dB of de-emphasis. For cascaded applications, the shifted SDIN and SCLKIN signals are presented at the SDOUT and SCLKOUT pins. The 5th-bit, LSB, of the serial data bits allows for enabling the equalization function of the receiver. The differential Data/Clock inputs incorporate a pair of internal 50-ohm termination resistors, in a 100-ohm center-tapped configuration, via the VT pin and will accept LVPECL, CML or LVDS logic levels. This feature provides transmission line termination on-chip, at the receiver end, eliminating external components.
  • 特性
  • Maximum Input Data Rate > 12.5 Gbps
  • Maximum Input Clock Frequency > 8 GHz
  • Drives Up To 18-inches of FR4
  • (16) Programmable Output De-emphasis Levels; 0 dB through 12 dB
  • 200 ps typical Propagation Delay
  • Differential CML Outputs, 400 mV peak-to-peak, typical (PE = 0 dB)
  • Operating Range: VCC = 1.71 V to 2.625 V, GND = 0 V
  • Internal Output Termination Resistors, 50-ohm
  • -40°C to +85°C Ambient Operating Temperature
  • 应用
  • FR4 Input Equalization
  • Selectable Output Preemphasis
  • 终端产品
  • Printed Circuit Backplanes
  • Routers and Switches
  • 技术文档及设计资源
  • 状况: Active
  • Compliance: Pb-free Halide free 
  • 具体说明: Pre-Emphasis Copper / Cable Driver, 12.5 Gbps, Programmable, 1.8 V / 2.5 V, with Selectable Equalizer Receiver
  • 封装 类型: QFN-16
  • 封装 外形: 485G-01
  • MSL: 1
  • 容器 类型: TUBE
  • 容器 数量: 123
  • 库存

  • Market Leadtime (weeks):2 to 4
  • Arrow:0
  • Digikey:<100
  • Specifications
  • Type: Signal Driver 
  • Channels:
  • Input / Output Ratio: 1:1 
  • Input Level: LVDS  ECL  CML 
  • Output Level: CML 
  • VCC Typ (V): 1.8  2.5 
  • tJitterRMS Typ (ps): 0.1 
  • tskew(o-o) Max (ps):  
  • tpd Typ (ns): 0.2 
  • tR & tF Max (ps): 50 
  • fmaxClock Typ (MHz): 8000 
  • fmaxData Typ (Mbps): 14000 
  • Package Type: QFN-16 
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