參數(shù)資料
型號： REF5045IDGKT
廠商： TEXAS INSTRUMENTS INC
元件分類： 基準電壓源/電流源
英文描述： 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 4.5 V, PDSO8
封裝： PLASTIC, MSOP-8
文件頁數(shù)： 22/27頁
文件大小： 976K
代理商： REF5045IDGKT
SBOS410E – JUNE 2007 – REVISED JUNE 2010
www.ti.com
ELECTRICAL CHARACTERISTICS: ALL DEVICES
Boldface limits apply over the specified temperature range, TA = –40°C to +125°C.
At TA = +25°C, ILOAD = 0, CL = 1mF, and VIN = (VOUT + 0.2V) to 18V, unless otherwise noted.
REF50xx
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
OUTPUT VOLTAGE TEMPERATURE DRIFT
Output Voltage Temperature Drift
dVOUT/dT
High-Grade
2.5
3
ppm/°C
Standard-Grade
3
8
ppm/°C
LINE REGULATION
Line Regulation
dVOUT/dVIN
REF5020(1) Only
VIN = 2.7V to 18V
0.1
1
ppm/V
All Other Devices
VIN = VOUT + 0.2V
0.1
1
ppm/V
Over Temperature
0.2
1
ppm/V
LOAD REGULATION
Load Regulation
dVOUT/dILOAD
–10mA < ILOAD < +10mA
REF5020 Only
VIN = 3V
20
30
ppm/mA
All Other Devices
VIN = VOUT + 0.75V
20
30
ppm/mA
Over Temperature
50
ppm/mA
SHORT-CIRCUIT CURRENT
Short-Circuit Current
ISC
VOUT = 0
25
mA
THERMAL HYSTERESIS (2)
High-Grade
MSOP-8
Cycle 1
10
ppm
Standard-Grade
MSOP-8
Cycle 1
30
ppm
High-Grade
SO-8
Cycle 1
5
ppm
Standard-Grade
SO-8
Cycle 1
10
ppm
High-Grade
MSOP-8
Cycle 2
5
ppm
Standard-Grade
MSOP-8
Cycle 2
10
ppm
High-Grade
SO-8
Cycle 2
3
ppm
Standard-Grade
SO-8
Cycle 2
5
ppm
LONG-TERM STABILITY
MSOP-8
0 to 1000 hours
50
ppm/1000 hr
MSOP-8
1000 to 2000 hours
5
ppm/1000 hr
SO-8
0 to 1000 hours
90
ppm/1000 hr
SO-8
1000 to 2000 hours
10
ppm/1000 hr
TEMP PIN
Voltage Output
At TA = +25°C
575
mV
Temperature Sensitivity
2.64
mV/°C
TURN-ON SETTLING TIME
Turn-On Settling Time
To 0.1% with CL = 1mF
200
ms
POWER SUPPLY
Supply Voltage
VS
See Note (1)
VOUT + 0.2
(1)
18
V
Quiescent Current
0.8
1
mA
Over Temperature
1.2
mA
TEMPERATURE RANGE
Specified Range
–40
+125
°C
Operating Range
–55
+125
°C
Thermal Resistance
qJA
MSOP-8
150
°C/W
SO-8
150
°C/W
(1)
For VOUT ≤ 2.5V, the minimal supply voltage is 2.7V.
(2)
The thermal hysteresis procedure is explained in more detail in the Application Information section.
4
Copyright 2007–2010, Texas Instruments Incorporated
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