参数资料
型号: MAX3799ETJ+T
厂商: Maxim Integrated
文件页数: 25/36页
文件大小: 0K
描述: IC AMP LIMITING VCSEL DVR 32TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 激光二极管驱动器
数据速率: 14Gbps
通道数: 1
电源电压: 2.85 V ~ 3.63 V
电流 - 电源: 97mA
电流 - 调制: 12mA
电流 - 偏置: 15mA
工作温度: -40°C ~ 85°C
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 带卷 (TR)
安装类型: 表面贴装
MAX3799
1Gbps to 14Gbps, SFP+ Multirate Limiting
Amplifier and VCSEL Driver
Bit 2: IBIASERR. When the bias incremented result is greater than IBIASMAX, then a SOFT FAULT is reported. See
the Programming Bias Current section.
Bit 1: TXED. This only indicates the absence of an AC signal at the transmit input. This is not an LOS indicator.
Bias Current Setting Register (SET_IBIAS)
Bit #
7
6
5
4
3
2
1
0
ADDRESS
Name
SET_IBIAS SET_IBIAS SET_IBIAS SET_IBIAS SET_IBIAS
[8] (MSB) [7] [6] [5] [4]
SET_IBIAS SET_IBIAS SET_IBIAS
[3] [2] [1]
H0x08
Default Value
0
0
0
0
0
1
0
0
Bits 7 to 0: SET_IBIAS[8:1]. The bias current DAC is controlled by a total of 9 bits. The SET_IBIAS[8:1] bits are
used to set the bias current with even denominations from 0 to 510 bits. The LSB (SET_IBIAS[0]) bit is controlled by
the BIASINC register and is used to set the odd denominations in the SET_IBIAS[8:0].
Modulation Current Setting Register (SET_IMOD)
Bit #
7
6
5
4
3
2
1
0
ADDRESS
Name
SET_IMOD SET_IMOD SET_IMOD SET_IMOD SET_IMOD SET_IMOD SET_IMOD SET_IMOD
[8] (MSB) [7] [6] [5] [4] [3] [2] [1]
H0x09
Default Value
0
0
0
1
0
0
1
0
Bits 7 to 0: SET_IMOD[8:1]. The modulation current DAC is controlled by a total of 9 bits. The SET_IMOD[8:1] bits
are used to set the modulation current with even denominations from 0 to 510 bits. The LSB (SET_IMOD[0]) bit is
controlled by the MODINC register and is used to set the odd denominations in the SET_IMOD[8:0].
Maximum Modulation Current Setting Register (IMODMAX)
Bit #
Name
Default Value
7
IMODMAX
[7] (MSB)
0
6
IMODMAX
[6]
0
5
IMODMAX
[5]
1
4
IMODMAX
[4]
1
3
IMODMAX
[3]
0
2
IMODMAX
[2]
0
1
IMODMAX
[1]
0
0
IMODMAX
[0] (LSB)
0
ADDRESS
H0x0A
Bits 7 to 0: IMODMAX[7:0]. The IMODMAX register is an 8-bit register that can be used to limit the maximum modu-
lation current. IMODMAX[7:0] is continuously compared to the SET_IMOD[8:1].
Maximum Bias Current Setting Register (IBIASMAX)
Bit #
Name
Default Value
7
IBIASMAX
[7] (MSB)
0
6
IBIASMAX
[6]
0
5
IBIASMAX
[5]
0
4
IBIASMAX
[4]
1
3
IBIASMAX
[3]
0
2
IBIASMAX
[2]
0
1
IBIASMAX
[1]
1
0
IBIASMAX
[0] (LSB)
0
ADDRESS
H0x0B
Bits 7 to 0: IBIASMAX[7:0]. The IBIASMAX register is an 8-bit register that can be used to limit the maximum bias
current. IBIASMAX[7:0] is continuously compared to the SET_IBAS[8:1].
Maxim Integrated
25
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