參數(shù)資料
型號: ONET9901TA
廠商: Texas Instruments, Inc.
元件分類: 運動控制電子
英文描述: 10.7 Gbps Transimpedance Amplifier
中文描述: 10.7Gbps 互阻抗放大器
文件頁數(shù): 6/13頁
文件大?。?/td> 424K
代理商: ONET9901TA
SLLS615 APRIL 2004
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PAD#1
VCC
GND
OUT+
RSSI
2
1
3
4
5
6
14
15
13
12
11
10
18
17
16
7
8
9
ONET
9901TA
CFILTER
(Optional)
10 k
410
C1
C2
OUT
Figure 3. Basic Application Circuit
board layout
Careful attention to board layout parasitics and external components is necessary to achieve optimal
performance with a high-performance transimpedance amplifier like the ONET9901TA.
Recommendations that optimize performance include:
1.
Minimize total capacitance on the IN pad by using a low-capacitance photodiode and paying attention to
stray capacitances. Place the photodiode close to the ONET9901TA die in order to minimize the bond wire
length and thus the parasitic inductance.
2.
The external filter capacitor (C
FILTER
) may have an impact on the transfer function of the TIA and must be
chosen with care based on the module implementation.
3.
Use identical termination and symmetrical transmission lines at the differential output pins OUT+ and
OUT–.
4.
Use short bond wire connections for the supply terminals VCCI, VCCO, and GND. Provide sufficient supply
voltage filtering.
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