参数资料
型号: MAX3946ETG+
厂商: Maxim Integrated
文件页数: 24/29页
文件大小: 0K
描述: IC LASER DVR SFP 11.3GBPS 24TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
类型: 激光二极管驱动器
数据速率: 11.3Gbps
通道数: 1
电源电压: 2.85 V ~ 3.63 V
电流 - 电源: 68mA
电流 - 调制: 80mA
电流 - 偏置: 80mA
工作温度: -40°C ~ 85°C
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-TQFN-EP(4x4)
包装: 托盘
安装类型: 表面贴装
1Gbps to 11.3Gbps, SFP+ Laser Driver
with Laser Impedance Mismatch Tolerance
Table 6. Register Summary (continued)
REGISTER
FUNCTION/
ADDRESS
Modulation
Current
Increment
Setting Register
Address =
H0x0C
Bias Current
Increment
Setting Register
Address =
H0x0D
REGISTER
NAME
MODINC
BIASINC
NORMAL
MODE
R
RW
RW
RW
RW
RW
R
RW
RW
RW
RW
RW
RW
SETUP
MODE
R
RW
RW
RW
RW
RW
R
RW
RW
RW
RW
RW
RW
BIT
NUMBER/
TYPE
7
4
3
2
1
0
7
4
3
2
1
0
7
BIT NAME
SET_IMOD[0]
MODINC[4]
MODINC[3]
MODINC[2]
MODINC[1]
MODINC[0]
SET_IBIAS[0]
BIASINC[4]
BIASINC[3]
BIASINC[2]
BIASINC[1]
BIASINC[0]
MODECTRL[7]
DEFAULT
VALUE
0
0
0
0
0
0
0
0
0
0
0
0
0
NOTES
LSB of SET_IMOD DAC
register address = H0x09
MSB MOD DAC two’s
complement
LSB MOD DAC two’s
complement
LSB of SET_IBIAS DAC
register address = H0x08
MSB bias DAC two’s
complement
LSB bias DAC two’s
complement
MSB mode control
RW
RW
6
MODECTRL[6]
0
Mode Control
Register
Address =
H0x0E
MODECTRL
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
5
4
3
2
1
0
MODECTRL[5]
MODECTRL[4]
MODECTRL[3]
MODECTRL[2]
MODECTRL[1]
MODECTRL[0]
0
0
0
0
0
0
LSB mode control
Pulse-Width
Control Register
Address =
H0x0F
Deemphasis
Control Register
Address = H0x10
Equalization
Control Register
Address = H0x11
SET_
PWCTRL
SET_TXDE
SET_TXEQ
R
R
R
R
R
R
R
R
R
R
R
R
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
3
2
1
0
5
4
3
2
1
0
2
1
SET_PWCTRL[3]
SET_PWCTRL[2]
SET_PWCTRL[1]
SET_PWCTRL[0]
SET_TXDE[5]
SET_TXDE[4]
SET_TXDE[3]
SET_TXDE[2]
SET_TXDE[1]
SET_TXDE[0]
SET_TXEQ[2]
SET_TXEQ[1]
0
0
0
0
0
0
0
0
0
1
0
0
MSB Tx pulse-width
control
LSB Tx pulse-width con-
trol
MSB Tx deemphasis
LSB Tx deemphasis
Tx equalization
24
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