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参数资料
| 型号： | DS2127+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/6页 |
| 文件大小： | 0K |
| 描述： | IC TERM SCSI LVD/SE 48-LQFP |
| 标准包装： | 2,000 |
| 类型： | SCSI，LVD，SE |
| 端子数： | 14 |
| 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) |
DS2127
Ultra3 LVD/SE SCSI 14-Line Terminator
_____________________________________________________________________
3
Note 1: All voltages are referenced to ground.
Note 2: Guaranteed by design and not production tested.
Note 3: Room temperature only.
ELECTRICAL CHARACTERISTICS (continued)
(TPWR = VTPWR(MIN) to VTPWR(MAX), TA = 0°C to +70°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VREF REGULATOR
1.25V Regulator Line Regulation
VREF unloaded; vary TPWR from
2.7V to 5.5V
1.0
2.5
%
2.85V Regulator
2.7
2.85
3.0
V
2.85V Regulator Short-Circuit
Source Current
VREF = 0V
-375
-700
-1000
mA
2.85V Regulator Short-Circuit
Sink Current
VREF = 3.3V
170
300
700
mA
2.85V Regulator Line Regulation
VREF unloaded; vary TPWR from
2.7V to 5.5V
1.0
2.5
%
DIFFSENS OUTPUT
DIFFSENS Driver Output Voltage
VDSO
-5mA
≤ IDIFFSENS ≤ 50A
1.2
1.4
V
DIFFSENS Driver Source Current
IDSH
VDIFFSENS = 0V
-15
-5
mA
DIFFSENS Driver Sink Current
IDSL
VDIFFSENS = 2.75V
100
200
A
ILEAK,
LOW
With ISO high, |VDIFFSENS| = 0.3V
-3
+1
DIFFSENS Leakage (Note 3)
ILEAK,
HIGH
With ISO high, |VDIFFSENS - VTPWR| = 0.3V
1
3
A
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
For increasing temperature
130
°C
Thermal-Shutdown Hysteresis
10
°C
MODE CHANGE DELAY/FILTER
Mode Change Delay
tDELAY
0.66
1.25
2.00
ms
LOGICAL SIGNALS (ISO)
Input Low Voltage
VIL
-0.3
+0.8
V
Input High Voltage
VIH
2.0
TPWR + 0.3
V
Input Current
IIL
VCC = 3.3V
-30
-10
A
STATUS BITS (LVD, SE)
Source Current
IOH
VCC = 3.3V, VLOAD = 2.4V
-4
-6
mA
Sink Current
IOL
VCC = 3.3V, VLOAD = 0.4V
2
5
mA
DIFF_CAP
Input Current
IL
VIL = -0.3V
-1
+1
A
DIFF_CAP SE Operating Range
VSEOR
-0.3
+0.5
V
DIFF_CAP LVD Operating Range
VLVDOR
0.7
1.9
V
DIFF_CAP HVD Operating Range
VHVDOR
2.4
VTPWR + 0.3
V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2129 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:LVD SCSI 27-Line Regulator |
| DS2129S | 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 |
| DS2129S/R | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:LVD SCSI 27-Line Regulator |
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| DS2129S/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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