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参数资料
| 型号： | DS1878T+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 59/101页 |
| 文件大小： | 0K |
| 描述： | IC CTLR SFP W/DGTL LDD RX 28TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 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： | 托盘 |
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DS1878
SFP+ Controller with Digital LDD Interface
60
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Table 02h Register Descriptions
Table 02h, Register 80h: MODE
POWER-ON VALUE
3Fh
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS
PW2 or (PW1 and RTBL246)
MEMORY TYPE
Volatile
80h
SEEB
RESERVED
DAC1 EN
DAC2 EN
AEN
MOD EN
APC EN
BIAS EN
BIT 7
BIT 0
BIT 7
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.
BIT 6
RESERVED
BIT 5
DAC1 EN:
0 = DAC1 VALUE is writable by the user and the LUT recalls are disabled. This allows users to
interactively test their modules by writing the values for DAC1. 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 DAC1 VALUE.
BIT 4
DAC2 EN:
0 = DAC2 VALUE is writable by the user and the LUT recalls are disabled. This allows users to
interactively test their modules by writing the values for DAC2. 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 DAC2 VALUE.
BIT 3
AEN:
0 = The temperature-calculated index value TINDEX is writable by users and the updates of
calculated indexes are disabled. This allows users to interactively test their modules by
controlling the indexing for the LUTs. The recalled values from the LUTs appear in the DAC
registers after the next completion of a temperature conversion.
1 = (Default) The internal temperature sensor determines the value of TINDEX.
BIT 2
MOD EN:
0 = MODULATION register is writable 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.
BIT 1
APC EN:
0 = APC DAC is writable 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 through the 3-wire interface. The I2C STOP condition is the
end of the write cycle.
1 = (Default) Enables auto control of the LUT for APC reference.
BIT 0
BIAS EN:
0 = BIAS register is controlled by the user and the APC is in manual mode. The BIAS register value
is written with the use of the 3-wire interface. This allows the user to interactively test their modules
by writing the DAC value for bias.
1 = (Default) Enables auto control for the APC feedback.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1878T TR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:SFP+ Controller with Digital LDD Interface |
| DS1878T+ | 功能描述:ADC / DAC多通道 SFP+ Controller w/ MAX3946&3945 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
| DS1878T+T | 功能描述:ADC / DAC多通道 SFP+ Controller w/ MAX3946&3945 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
| DS1878T+T&R | 制造商:Maxim Integrated Products 功能描述:IC CTLR SFP W/DGTL LDD RX 28TQFN |
| DS1878T+T&R | 功能描述:ADC / DAC多通道 SFP+ Controller w/ MAX3946&3945 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
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