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參數(shù)資料
| 型號： | DS1865T+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 40/67頁 |
| 文件大?。?/td> | 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) |
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DS1865
PON Triplexer Control and
Monitoring Circuit
____________________________________________________________________
45
Table 02h, Register 80h: Mode
POWER-ON VALUE
1Fh
READ ACCESS
PW2
WRITE ACCESS
PW2
MEMORY TYPE:
Volatile
80h
SEEB
RESERVED
M4DAC-EN
AEN
MOD-EN
APC-EN
BIAS-EN
bit7
bit0
bit7
SEEB:
0 = (Default) Enables EEPROM writes to SEE bytes.
1 = Disables EEPROM writes to SEE bytes during configuration, so that the configuration of the part is
not delayed by the EE cycle time. Once the values are known, write this bit to a 0 and write the SEE
locations again for data to be written to the EEPROM.
bit6:5
RESERVED
bit4
M4DAC-EN:
0 = M4DAC is writeable by the user and the LUT recalls are disabled. This allows users to
interactively test their modules by writing the DAC value for M4DAC. The output is updated with the
new value at the end of the write cycle. The I2C STOP condition is the end of the write cycle.
1 = (Default) Enables auto control of the LUT for M4DAC.
bit3
AEN:
0 = The temperature-calculated index value (T INDEX) is writeable by the user and the updates of
calculated indexes are disabled. This allows users to interactively test their modules by controlling the
indexing for the lookup tables. The recalled values from the LUTs will appear in the DAC registers
after the next completion of a temperature conversion (just like it would happen in auto mode). Both
DACs will update at the same time (just like in auto mode).
1 = (Default) Enables auto control of the LUT.
bit2
MOD-EN:
0 = MOD DAC is writeable by the user and the LUT recalls are disabled. This allows users to
interactively test their modules by writing the DAC value for modulation. The output is updated with
the new value at the end of the write cycle. The I2C STOP condition is the end of the write cycle.
1 = (Default) Enables auto control of the LUT for modulation.
bit1
APC-EN:
0 = APC DAC is writeable by the user and the LUT recalls are disabled. This allows users to
interactively test their modules by writing the DAC value for APC reference. The output is updated
with the new value at the end of the write cycle. The I2C STOP condition is the end of the write cycle.
1 = (Default) Enables auto control of the LUT for APC reference.
bit0
BIAS-EN:
0 = BIAS DAC is controlled by the user and the APC is open loop. The BIAS DAC value is written to
the MAN IBIAS register. All values that are written to MAN IBIAS and are greater than the MAX IBIAS
register setting are not updated and will set the BIAS MAX alarm bit. The BIAS DAC register will
continue to reflect the value of the BIAS DAC. This allows users to interactively test their modules by
writing the DAC value for IBIAS. The output is updated with the new value at the end of the write cycle
to the MAN IBIAS register. The I2C STOP condition is the end of the write cycle.
1 = (Default) Enables auto control for the APC feedback.
Table 02h Register Descriptions
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| DS1866 | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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| DS1866N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Interface IC |
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| DS1866SN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Interface IC |
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