参数资料
型号: DS1877T+T&R
厂商: Maxim Integrated Products
文件页数: 63/65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
7
Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
ANALOG QUICK-TRIP CHARACTERISTICS
(VCC = +2.85V to +3.9V, TA = -40NC to +95NC, unless otherwise noted.)
QUICK-TRIP TIMING CHARACTERISTICS
(VCC = +2.85V to +3.9V, TA = -40NC to +95NC, unless otherwise noted.)
DIGITAL THERMOMETER CHARACTERISTICS
(VCC = +2.85V to +3.9V, TA = -40NC to +95NC, unless otherwise noted.)
I2C AC ELECTRICAL CHARACTERISTICS
(VCC = +2.85V to +3.9V, TA = -40NC to +95NC, unless otherwise noted. Timing is referenced to VIL(MAX) and VIH(MIN).) (Figure 12)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RSSI Full-Scale Voltage
1.25
V
Input Resistance
35
50
65
k
W
Resolution
8
Bits
Error
TA = +25°C
±2
%FS
Integral Nonlinearity
-1
+1
LSB
Differential Nonlinearity
-1
+1
LSB
Temperature Drift
-2
+2
%FS
Offset
-5
+10
mV
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output-Enable Time Following POA
tINIT
(Note 5)
20
ms
Sample Time per Quick-Trip
Comparison
tREP
12.8
F
s
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Thermometer Error
TERR
-40NC to +95NC
-3
+3
N
C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCL Clock Frequency
fSCL
(Note 8)
0
400
kHz
Clock Pulse-Width Low
tLOW
1.3
F
s
Clock Pulse-Width High
tHIGH
0.6
F
s
Bus Free Time Between STOP and
START Condition
tBUF
1.3
F
s
START Hold Time
tHD:STA
0.6
F
s
START Setup Time
tSU:STA
0.6
F
s
Data Out Hold Time
tHD:DAT
0
0.9
F
s
Data In Setup Time
tSU:DAT
100
ns
Rise Time of Both SDA and SCL
Signals
tR
(Note 9)
20 +
0.1CB
300
ns
Fall Time of Both SDA and SCL
Signals
tF
(Note 9)
20 +
0.1CB
300
ns
STOP Setup Time
tSU:STO
0.6
F
s
Capacitive Load for Each Bus Line
CB
400
pF
EEPROM Write Time
tWR
(Note 10)
20
ms
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