参数资料
型号: DS1877T+T&R
厂商: Maxim Integrated Products
文件页数: 46/65页
文件大小: 0K
描述: IC CTLR/MON SFP 1-2CH 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: SFP+ 控制器
输入类型: 逻辑
输出类型: 逻辑
接口: I²C
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: 带卷 (TR)
其它名称: 90-1877T+TRL
50
Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
Table 02h, Register 92h
–93h: VCC SCALE
Table 02h, Register 94h
–95h: XOVER2 COARSE
Table 02h, Register 96h
–97h: XOVER2 FINE
Table 02h, Register 98h
–99h: RSSI2 COARSE SCALE
Table 02h, Register 9Ah
–9Bh: RSSI2 FINE SCALE
Table 02h, Register 9Ch
–9Dh: RSSI1 COARSE SCALE
Table 02h, Register 9Eh
–9Fh: RSSI1 FINE SCALE
Table 02h, Register A0h
–A1h: INTERNAL TEMP OFFSET
FACTORY CALIBRATED
READ ACCESS
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
WRITE ACCESS
PW2 or (PW1 and RWTBL2)
A2h AND B2h MEMORY
Common A2h and B2h memory locations
MEMORY TYPE
Nonvolatile (SEE)
92h, 94h,
96h, 98h,
9Ah, 9Ch,
9Eh
215
214
213
212
211
210
29
28
93h, 95h,
97h, 99h,
9Bh, 9Dh,
9Fh
27
26
25
24
23
22
21
20
BIT 7
BIT 0
Controls the scaling or gain of the full-scale voltage measurements. The factory-calibrated value produces an
FS voltage of 6.5536V for VCC, 2.5V for RSSI2 COARSE and RSSI1 COARSE, and 0.3125V for RSSI2 FINE and
RSSI1 FINE.
FACTORY CALIBRATED
READ ACCESS
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
WRITE ACCESS
PW2 or (PW1 and RWTBL2)
A2h AND B2h MEMORY
Common A2h and B2h memory locations
MEMORY TYPE
Nonvolatile (SEE)
A0h
S
28
27
26
25
24
23
22
A1h
21
20
2-1
2-2
2-3
2-4
2-5
2-6
BIT 7
BIT 0
Allows for offset control of temperature measurement if desired. The final result must be XORed with BB40h
before writing to this register. Factory calibration contains the desired value for a reading in degrees Celsius.
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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