參數(shù)資料
型號: NB7L216MN
廠商: ON Semiconductor
文件頁數(shù): 11/11頁
文件大小: 0K
描述: IC RECEIVER/DRIVER DIFF 16-QFN
產(chǎn)品變化通告: LTB Notification 06/Feb/2008
標準包裝: 123
邏輯類型: 差分接收器/驅(qū)動器
電源電壓: 2.375 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 16-QFN(3x3)
包裝: 管件
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
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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