參數(shù)資料
型號： DS1865T+T&R
廠商： Maxim Integrated Products
文件頁數(shù)： 61/67頁
文件大小： 0K
描述： IC PON CONTROL TRI 28-TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
系列： *
類型： *
應(yīng)用： *
安裝類型： 表面貼裝
封裝/外殼： 28-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 28-TQFN-EP（5x5）
包裝： 帶卷 (TR)
DS1865
PON Triplexer Control and
Monitoring Circuit
64
____________________________________________________________________
Table 03h, Register 80h to FFh: PW2 EEPROM
FACTORY DEFAULT
00h
READ ACCESS
PW2
WRITE ACCESS
PW2
MEMORY TYPE:
Nonvolatile (EE)
80h-FFh
EE
bit7
bit0
PW2 protected EEPROM.
Table 04h, Register 80h to C7h: MOD LUT
FACTORY DEFAULT
00h
READ ACCESS
PW2
WRITE ACCESS
PW2
MEMORY TYPE:
Nonvolatile (EE)
80h-C7h
2
7
2
6
2
5
2
4
2
3
2
1
2
0
bit7
bit0
The digital value for the modulation DAC output.
The Modulation LUT is a set of registers assigned to hold the temperature profile for the modulation DAC. The values in this table
combined with the MOD bits in the MOD Ranging register (Table 02h, Register 8Bh) determine the set point for the modulation
voltage. The temperature measurement is used to index the LUT (T INDEX, Table 02h, Register 81h) in 2°C increments from -40°C
to +102°C, starting at 80h in Table 04h. Register 80h defines the -40°C to -38°C MOD output, register 81h defines -38°C to -36°C
MOD output, and so on. Values recalled from this EEPROM memory table are written into the MOD_DAC (Table 02h, Register 82h)
location that holds the value until the next temperature conversion. The part can be placed into a manual mode (MOD-EN bit, Table
02h, Register 80h), where MOD_DAC is directly controlled for calibration. If the temperature compensation functionality is not
required, then program the entire Table 04h to the desired modulation setting.
Table 03h Register Descriptions
Table 04h Register Descriptions
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