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參數(shù)資料
| 型號(hào)： | DS2127+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC TERM SCSI LVD/SE 48-LQFP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 類型： | SCSI，LVD，SE |
| 端子數(shù)： | 14 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 帶卷 (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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