参数资料
型号: DS1873T+
厂商: Maxim Integrated
文件页数: 68/86页
文件大小: 0K
描述: IC CTLR SFP+ ANLG LDD 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
类型: 激光二极管控制器
通道数: 1
电源电压: 2.85 V ~ 3.9 V
电流 - 电源: 2.5mA
工作温度: -40°C ~ 95°C
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 托盘
安装类型: 表面贴装
其它名称: 90-1873T+000
SFP+ Controller with Analog LDD Interface
Table 02h, Register B9h: COMP RANGING
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
00h
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
PW2 or (PW1 and RWTBL2)
Nonvolatile (SEE)
B9h
RESERVED
HBIAS 2
HBIAS 1
HBIAS 0
RESERVED
APC 2
APC 1
APC 0
BIT 7
BIT 0
The upper nibble of this byte controls the full-scale range of the quick-trip monitoring for BIAS. The lower nibble of
this byte controls the full-scale range for the quick-trip monitoring of the APC reference as well as the closed-loop
monitoring of APC.
BIT 7
RESERVED (Default = 0)
HBIAS[2:0]: HBIAS Full-Scale Ranging. 3-bit value to select the FS comparison voltage for BIAS
found on MON1. Default is 000b and creates an FS of 1.25V.
HBIAS[2:0]
000b
001b
% of 1.25V
100.00
80.00
FS Voltage
1.250
1.000
BITS 6:4
BIT 3
010b
011b
100b
101b
110b
111b
RESERVED (Default = 0)
66.67
50.00
40.00
33.33
28.57
25.00
0.833
0.625
0.500
0.417
0.357
0.313
APC[2:0]: APC Full-Scale Ranging. 3-bit value to select the FS comparison voltage for MON2 with
the APC. Default is 000b and creates an FS of 2.5V.
APC[2:0]
000b
001b
% of 2.50V
100.00
80.00
FS Voltage
2.500
2.000
BITS 2:0
010b
011b
100b
101b
110b
111b
66.67
50.00
40.00
33.33
28.57
25.00
1.667
1.250
1.000
0.833
0.714
0.625
68
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