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参数资料
| 型号： | DS1876T+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 62/69页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR SFP DUAL LDD 28TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 类型： | SFP 激光控制器 |
| 输入类型： | 逻辑 |
| 输出类型： | 逻辑 |
| 接口： | I²C |
| 电流 - 电源： | 10mA |
| 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： | 管件 |
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65
Maxim Integrated
SFP Controller with Dual LDD Interface
DS1876
Table 04h, Register F8h–FFh: MOD OFFSET LUT
Table 06h Register Descriptions
Table 06h, Register 80h–C7h: APC LUT
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL46)
WRITE ACCESS
PW2 or (PW1 and RWTBL46)
A2h AND B2h MEMORY
Different A2h and B2h memory locations
MEMORY TYPE
Nonvolatile (EE)
F8h–FFh
29
28
27
26
25
24
23
22
BIT 7
BIT 0
The digital value for the temperature offset of the MOD1 and MOD2 DAC outputs.
F8h
Less than or equal to -8NC
F9h
Greater than -8NC up to +8NC
FAh
Greater than +8NC up to +24NC
FBh
Greater than +24NC up to +40NC
FCh
Greater than +40NC up to +56NC
FDh
Greater than +56NC up to +72NC
FEh
Greater than +72NC up to +88NC
FFh
Greater than +88NC
The MOD DAC is a 10-bit value. The MODULATION LUT is an 8-bit LUT. The MOD OFFSET LUT times 4 plus
the MODULATION LUT makes use of the entire 10-bit range.
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL46)
WRITE ACCESS
PW2 or (PW1 and RWTBL46)
A2h AND B2h MEMORY
Different A2h and B2h memory locations
MEMORY TYPE
Nonvolatile (EE)
80h–C7h
27
26
25
24
23
22
21
20
BIT 7
BIT 0
The digital value for the APC1 DAC (A2h address) and APC2 DAC (B2h address) outputs. The APC LUT is a
set of registers assigned to hold the temperature profile for the APC1 and APC2 DACs. The temperature mea-
surement is used to index the LUT (TINDEX, Table 02h, Register 81h) in 2NC increments from -40NC to +102NC,
starting at 80h. Register 80h defines the -40NC to -38NC APC output, Register 81h defines -38NC to -36NC APC
output, and so on. Values recalled from this EEPROM memory table are written into the APC1 and APC2 DACs
(Table 02h, Registers CAh–CBh, CEh–CFh) locations that hold the values until the next temperature conver-
sion. The part can be placed into a manual mode (APC1EN and APC2EN bits, Table 02h, Register 80h), where
APC1 and APC2 DACs are directly controlled for calibration. If the temperature compensation functionality is not
required, program the entire Table 06h to the desired APC setting.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1876T+ | 功能描述:ADC / DAC多通道 SFP+ Controller w/ Dual LDD Interface 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 |
| DS1876T+T&R | 制造商:Maxim Integrated Products 功能描述:SFP CTRLR W/DUAL LDD INTERFACE TQFN - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC CTRLR SFP DUAL LDD 28TQFN |
| DS1876T+T&R | 功能描述:ADC / DAC多通道 SFP+ Controller w/ Dual LDD Interface 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 |
| DS1876T+TR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:SFP Controller with Dual LDD Interface |
| DS1877 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:SFP Controller for Dual Rx Interface |
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