参数资料
型号: DS1878T+
厂商: Maxim Integrated Products
文件页数: 69/101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
DS1878
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCLOUT Clock Frequency
fSCLOUT
833
kHz
SCLOUT Duty Cycle
t3WDC
50
%
SDAOUT Setup Time
tDS
100
ns
SDAOUT Hold Time
tDH
100
ns
CSEL1OUT, CSEL2OUT Pulse-
Width Low
tCSW
500
ns
CSEL1OUT, CSEL2OUT Leading
Time Before the First SCLOUT
Edge
tL
500
ns
CSEL1OUT, CSEL2OUT Trailing
Time After the Last SCLOUT
Edge
tT
500
ns
SDAOUT, SCLOUT Load
CB3W
Total bus capacitance on one line
10
pF
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output-Enable Time Following POA
tINIT
(Note 7)
20
ms
Binary Search Time
tSEARCH
(Note 11)
8
10
BIAS
Samples
3-WIRE DIGITAL INTERFACE SPECIFICATION
(VCC = +2.85V to +5.5V, TA = -40°C to +95°C, timing referenced to VIL(MAX) and VIH(MIN), unless otherwise noted.) (Figure 17)
SFP+ Controller with Digital LDD Interface
_______________________________________________________________________________________
7
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TXD Enable
tOFF
From rising TXD to rising TXDOUT
5
μs
Recovery from TXD Disable
tON
From falling TXD to falling TXDOUT
5
μs
tINITR1
From falling TXD
131
Fault Reset Time
(to TXFOUT = 0)
tINITR2
On power-up or falling TXD, when VCC LO
alarm is detected (Note 7)
161
ms
Fault Assert Time
(to TXFOUT = 1)
tFAULT
After HTXP, LTXP, HBATH, IBIASMAX
(Note 8)
6.4
55
μs
LOSOUT Assert Time
tLOSS_ON
LLOS (Notes 8, 9)
6.4
55
μs
LOSOUT Deassert Time
tLOSS_OFF
HLOS (Notes 8, 10)
6.4
55
μs
CONTROL LOOP AND QUICK-TRIP TIMING CHARACTERISTICS
(VCC = +2.85V to +5.5V, TA = -40°C to +95°C, unless otherwise noted.)
AC ELECTRICAL CHARACTERISTICS
(VCC = +2.85V to +5.5V, TA = -40°C to +95°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Thermometer Error
TERR
-40°C to +95°C
-3
+3
°C
DIGITAL THERMOMETER CHARACTERISTICS
(VCC = +2.85V to +5.5V, TA = -40°C to +95°C, unless otherwise noted.)
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DS1878T TR 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:SFP+ Controller with Digital LDD Interface
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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
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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