參數(shù)資料
型號(hào): DS1878T+T&R
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 86/101頁(yè)
文件大?。?/td> 0K
描述: IC CTLR SFP W/DGTL LDD RX 28TQFN
標(biāo)準(zhǔn)包裝: 2,500
類型: SFP+ 控制器
輸入類型: 模擬,數(shù)字
輸出類型: 數(shù)字
接口: I²C,LDD,串行
電流 - 電源: 2.5mA
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)
DS1878
SFP+ Controller with Digital LDD Interface
______________________________________________________________________________________
85
Table 02h, Register CFh: DEVICE VER
FACTORY DEFAULT
DEVICE VERSION
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS
N/A
MEMORY TYPE
ROM
CFh
DEVICE VERSION
BIT 7
BIT 0
Hardwired connections to show the device version.
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS
PW2 or (PW1 and RWTBL246)
MEMORY TYPE
Nonvolatile (SEE)
D0h–D7h
27
26
25
24
23
22
21
20
BIT 7
BIT 0
High-Bias Alarm Threshold (HBATH) is a digital clamp used to ensure that the DAC setting for BIAS currents does
not exceed a set value. The table below shows the range of temperature for each byte’s location. The table shows a
rising temperature; for a falling temperature there is 1°C of hysteresis.
D0h
Less than or equal to -8°C
D1h
Greater than -8°C up to +8°C
D2h
Greater than +8°C up to +24°C
D3h
Greater than +24°C up to +40°C
D4h
Greater than +40°C up to +56°C
D5h
Greater than +56°C up to +72°C
D6h
Greater than +72°C up to +88°C
D7h
Greater than +88°C
Table 02h, Register D0h–D7h: HBATH
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