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参数资料
| 型号： | DS2125+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/7页 |
| 文件大小： | 0K |
| 描述： | IC TERM SCSI ULT3 LVD/SE 48-LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 类型： | SCSI，LVD，SE |
| 端子数： | 15 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 带卷 (TR) |
DS2125 Ultra3 LVD/SE SCSI 15-Line Terminator
2 of 7
ABSOLUTE MAXIMUM RATINGS
VREF, ISO, GND, DIFFSENSE, DIFF_CAP, TPWR, RxP, RxN (x = 1 . . . 15)………………………………-0.3V, +6.0V
VREF Continuous Output Current………………………………………………………………………………………±200mA
Continuous Power Dissipation (TA = +70°C), 48-Pin LQFP……………………………………………………………...2W
Operating Temperature Range………………………………………………………………………………….0°C to +70°C
Junction Temperature…………………………………………………………………………………………………...+150°C
Storage Temperature Range………………………………………………………………………………...-65°C to +160°C
Lead Temperature (soldering, 10s)…………………………………………………………………………………….+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(TPWR = 3.3V, TA = 0°C to +70°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LVD
2.7
5.5
TPWR Operating Supply
Range
VTPWR
SE
4.0
5.5
V
TPWR SUPPLY CURRENT
ITPWR_LVD
LVD SCSI mode
20
32
mA
ITPWR_SE
SE SCSI mode
1.6
10
mA
TPWR Supply Current
(All Lines Open)
ITPWR_ISO
ISO mode (terminators disabled)
250
750
A
LVD TERMINATION (Applies to each line pair, 1 to 15 in LVD mode)
Differential-Mode
Termination Resistance
RDM
100
110
Common-Mode
Termination Resistance
RCM
RP and RN shorted together
110
165
Differential-Mode Bias
VDM
All lines open
100
125
mV
Common-Mode Bias
VCM
RP and RN shorted together
1.15
1.25
1.35
V
SE TERMINATION (Applies to SE terminators, 1 to 15 in SE mode)
Single-Ended Mode
Termination Resistance
RSE
RSE = (VLx - 0.2) / ILx,
where VLx = voltage at terminator
pin with pin unloaded and
ILx = current for each terminator pin
with the pin forced to 0.2V (Note 2)
104.5
110
115.5
Signal level at 0.2V, all lines low
-21.0
-24
-25.4
Termination Current
(Note 2)
ISE
Signal level at 0.5V
-18.0
-22.4
mA
SE Voltage Reference
VREF
(Note 2)
2.7
2.85
3.0
V
Pin Leakage
With ISO high
400
nA
Single-Ended GND
Resistance
RGND
Measured at RP pins, I = 10mA
20
60
TERMINATOR PIN CAPACITANCE
Terminator Pin
Capacitance
CIN
With ISO high (Note 1)
3
pF
VREF REGULATOR
1.25V Regulator Output
Voltage
VREF_LVD
1.15
1.25
1.35
V
1.25V Regulator Short-
Circuit Source Current
ISOURCE
VREF = 0V
-375
-700
-1000
mA
1.25V Regulator Short-
Circuit Sink Current
ISINK
VREF = 3.3V
170
300
700
mA
1.25V Regulator Line
Regulation
VREF unloaded; vary TPWR from
2.7V to 5.5V
1.0
2.5
%
2.85V Regulator
(Note 2)
2.7
2.85
3.0
V
2.85V Regulator Short-
Circuit Source Current
VREF = 0V (Note 2)
-375
-700
-1000
mA
2.85V Regulator Short-
Circuit Sink Current
VREF = 3.3V (Note 2)
170
300
700
mA
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2127 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Ultra3 LVD/SE SCSI 14-Line Terminator |
| DS2127/T&R | 制造商:Maxim Integrated Products 功能描述:14 LINE LVD/SE TERMINATOR T&R - Tape and Reel |
| DS2127+ | 功能描述:SCSI 接口集成电路 RoHS:否 制造商:Texas Instruments 工作电源电压:2.7 V to 5.25 V 电源电流:13 mA 最大工作温度:+ 70 C 最小工作温度:0 C 安装风格:SMD/SMT 封装 / 箱体:SSOP-36 封装:Tube |
| DS2127+T&R | 制造商:Maxim Integrated Products 功能描述:IC TERM SCSI LVD/SE 48-LQFP |
| DS2127+T&R | 功能描述:SCSI 接口集成电路 RoHS:否 制造商:Texas Instruments 工作电源电压:2.7 V to 5.25 V 电源电流:13 mA 最大工作温度:+ 70 C 最小工作温度:0 C 安装风格:SMD/SMT 封装 / 箱体:SSOP-36 封装:Tube |
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