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参数资料
| 型号： | NTE999SM |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.495 V, PDSO8 |
| 文件页数： | 1/3页 |
| 文件大小： | 25K |
| 代理商： | NTE999SM |
NTE999SM
Integrared Circuit
Programmable Precision Reference
Description:
The NTE999SM integrated circuit is a three–terminal programmable shunt regulator. This monolithic
IC voltage reference operates as a low temperature coefficient zener which is programmable from
Vref to 36 volts with two external resistors. This device exhibits a wide operating current range of 1.0
to 100mA with a typical dynamic impedance of 0.22
. The characteristics of this reference make it
an excellent replacement for zener diodes in many applications such as digital voltmeters, power sup-
plies, and op amp circuitry. The 2.5 volt reference makes it convenient to obtain a stable reference
from 5.0 volt logic supplies, and since the NTE999SM operates as a shunt regulator, it can be used
as either a positive or negative voltage reference.
Features:
D Programmable Output Voltage to 36 Volts
D Voltage Reference Tolerance: ±1.0%
D Low Dynamic Output Impedance: 0.22 Typical
D Sink Current Capability of 1.0 to 100mA
D Equivalent Full Range Temperature Coefficient of 50ppm/°C Typical
D Temperature Compensated for Operation over Full Rated Operating Temperature Range
D Low Output Noise Voltage.
Absolute Maximum Ratings: (TA = 0° to +70°C, unless otherwise noted.)
Cathode to Anode Voltage, VKA
37V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cathode Current Range, Continuous, IK
–100 to +150mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference Input Current Range, Continuous, Iref
–0.05 to +10mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Power Dissipation (TA = +25°C), PD
725mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25
°C
5.8mW/
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Junction Temperature, TJ
+150
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature Range, TA
0
° to +70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg
–65
° to +150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction–to–Ambient, RthJA
178
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction–to–Case, RthJC
83
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead Temperature (During Soldering, 1/16” ifrom case for 10sec), TL
+260
°C
. . . . . . . . . . . . . . . . . .
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