参数资料
型号: NB7L216MNR2
厂商: ON Semiconductor
文件页数: 11/11页
文件大小: 0K
描述: IC RECEIVER/DRIVER DIFF 16-QFN
标准包装: 3,000
逻辑类型: 差分接收器/驱动器
电源电压: 2.375 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-VFQFN 裸露焊盘
供应商设备封装: 16-QFN(3x3)
包装: 带卷 (TR)
NB7L216
http://onsemi.com
9
APPLICATION INFORMATION
All NB7L216 inputs can accept PECL, CML, LVTTL, LVCMOS and LVDS signal levels. The limitations for differential
input signal (LVDS, PECL, or CML) are minimum input swing of 75 mV and the maximum input swing of 2500 mV. Within
these conditions, the input voltage can range from VCC to 1.2 V. Examples interfaces are illustrated below in a 50 W
environment (Z = 50
W). For output termination and interface, refer to application note AND8020/D.
Table 7. INTERFACING OPTIONS
Interfacing Options
Connections
CML
Connect VTD and VTD to VCC (See Figure 18)
LVDS
Connect VTD and VTD Together (See Figure 20)
ACCOUPLED
Bias VTD and VTD Inputs within Common Mode Range (VCMR) (See Figure 19)
RSECL, PECL, NECL
Standard ECL Termination Techniques (See Figure 13)
LVTTL, LVCMOS
An External Voltage (VTHR) should be Applied to the Unused Complementary Differential Input. Nominal
VTHR is 1.5 V for LVTTL and VCC / 2 for LVCMOS Inputs. This Voltage must be within the
VTHR Specification. (See Figure 21)
50 W
VCC
D
50 W
NB7L216
VCC
VTD
VEE
VCC
Q
50 W 50 W
CML
Driver
VEE
Figure 18. CML to NB7L216 Interface
Q
Z = 50 W
Figure 19. PECL to NB7L216 Interface
50 W
VCC
PECL
Driver
D
50 W
NB7L216
VEE
VBias*
VTD
VEE
RT
VEE
VCC
RT
5.0 V 290 W
3.3 V 150 W
2.5 V 80 W
Recommended RT Values
VTD
VCC
VTD
VBias*
Z = 50 W
C
*VBias must be within common mode range limits (VCMR)
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