参数资料
型号: DS1878T+T&R
厂商: Maxim Integrated Products
文件页数: 74/101页
文件大小: 0K
描述: IC CTLR SFP W/DGTL LDD RX 28TQFN
标准包装: 2,500
类型: SFP+ 控制器
输入类型: 模拟,数字
输出类型: 数字
接口: I²C,LDD,串行
电流 - 电源: 2.5mA
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
DS1878
SFP+ Controller with Digital LDD Interface
74
______________________________________________________________________________________
Table 02h, Register B9h: COMP RANGING
FACTORY DEFAULT
00h
READ ACCESS
PW2
WRITE ACCESS
PW2
MEMORY TYPE
Nonvolatile (SEE)
B9h
RESERVED
BIAS2
BIAS1
BIAS0
RESERVED
APC2
APC1
APC0
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)
BITS 6:4
BIAS[2:0]: BIAS 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.
BIAS[2:0]
% OF 1.25V
FS VOLTAGE (V)
000b
100.00
1.250
001b
80.00
1.000
010b
66.67
0.833
011b
50.00
0.625
100b
40.00
0.500
101b
33.33
0.417
110b
28.57
0.357
111b
25.00
0.313
BIT 3
RESERVED (Default = 0)
BITS 2:0
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]
% OF 2.50V
FS VOLTAGE (V)
000b
100.00
2.500
001b
80.00
2.000
010b
66.67
1.667
011b
50.00
1.250
100b
40.00
1.000
101b
33.33
0.833
110b
28.57
0.714
111b
25.00
0.625
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