参数资料
型号: TZA3011AVH/C2,551
厂商: NXP Semiconductors
文件页数: 18/30页
文件大小: 0K
描述: IC LASER DRIVER 3.2GBPS 32-HBCC
标准包装: 490
系列: A-rate™
类型: 激光二极管驱动器(光纤)
数据速率: 3.2Gbps
通道数: 1
电源电压: 3.14 V ~ 3.47 V
电流 - 电源: 40mA
电流 - 调制: 100mA
电流 - 偏置: 100mA
工作温度: -40°C ~ 85°C
封装/外壳: 32-HBCC
供应商设备封装: 32-HBCC(5x5)
包装: 托盘
安装类型: 表面贴装
其它名称: 935269940551
TZA3011AVHW-S
TZA3011AVHW-S-ND
Philips Semiconductors
TZA3011A; TZA3011B
I av ( MON ) = 1580 – 5.26 × I AVR = 1580 – 5.26 × ------------- [ μ A]
(R ER ) connected to ground: ER = 20 – ------------ = 20 – ------------ × ----------
30 Mbit/s up to 3.2 Gbit/s A-rate ? laser drivers
12.1.2 Average monitor current and extinction ratio
The average monitor current I av(MON) in dual-loop or average loop operation is determined
by the source current (I AVR ) of the AVR pin. The current can be sunk by an external
current source or by an external resistor (R AVR ) connected to ground:
V AVR
R AVR
The extinction ratio in dual-loop operation is determined by the source current (I ER ) of the
ER pin. The current can be sunk by an external current source or by an external resistor
I ER 1 V ER
2 μ A 2 μ A R ER
The average monitor current and the extinction ratio as a function of the I AVR and I ER
current are illustrated in Figure 6 .
The average monitor current increases with a decreasing I AVR or increasing R AVR , this
allows resistor tuning of R AVR to start at minimum I AVR current level.
The formulas used to program AVR and ER are valid for typical conditions; tuning is
necessary to achieve good absolute accuracy of AVR and ER values.
I av(MON)
( μ A)
1500
ER
15
ER = 20 ? ER
30
5
I
2 μ A
I av(MON) = 1580 ? 5.26 × I AVR μ A
0
10 15 30
I AVR ( μ A)
I ER ( μ A)
295
mgt892
Fig 6. Average monitor current and extinction ratio as a function of I AVR and I ER
9397 750 14437
? Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 06 — 20 January 2005
18 of 30
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