参数资料
型号: DS1874T+T&R
厂商: Maxim Integrated
文件页数: 77/88页
文件大小: 0K
描述: IC CTLR SFP+ ANLG LDD 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 激光二极管控制器
通道数: 1
电源电压: 2.85 V ~ 3.9 V
电流 - 电源: 2.5mA
工作温度: -40°C ~ 95°C
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
安装类型: 表面贴装
其它名称: 90-1874T+TRL
SFP+ Controller with Digital LDD Interface
Table 02h, Register CFh: DEVICE VER
CFh
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
BIT 7
DEVICE VERSION
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
N/A
ROM
DEVICE VERSION
BIT 0
Hardwired connections to show the device version.
Table 02h, Register D0h–D7h: HBATH
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
D0h-D7h
2 7
2 6
2 5
2 4
2 3
2 2
2 1
2 0
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
D1h
D2h
D3h
D4h
D5h
D6h
D7h
Less than or equal to -8°C
Greater than -8°C up to +8°C
Greater than +8°C up to +24°C
Greater than +24°C up to +40°C
Greater than +40°C up to +56°C
Greater than +56°C up to +72°C
Greater than +72°C up to +88°C
Greater than +88°C
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