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REF3425 Datasheet(PDF) 5 Page - Texas Instruments

No. de pieza REF3425
Descripción Electrónicos  REF34xx Low-Drift, Low-Power, Small-Footprint Series Voltage Reference
PDF  29 Pages
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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REF3425 Datasheet(HTML) 5 Page - Texas Instruments

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7.5 Electrical Characteristics
At VIN = VOUT + VDO, COUT = 10 µF, CIN = 0.1 µF, IL = 0 mA, minimum and maximum specifications at TA = –40℃ to 125℃;
Typical specifications at TA = 25℃ unless otherwise noted
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
ACCURACY AND DRIFT
Output voltage accuracy TA = 25℃
–0.05
0.05
%
Output voltage
temperature coefficient
(1)
–40°C ≤ TA ≤ 125°C
2.5
6
ppm/°C
LINE & LOAD REGULATION
ΔVO/ΔVIN
Line Regulation
VIN = VOUT + VDO (2) to 12 V
2
ppm/V
VIN = VOUT + VDO (2) to 12 V, –40°C ≤ TA ≤ 125°C
15
ΔVO/ΔIL
Load Regulation
IL = 0 mA to 10mA, VIN
= VOUT+ VDO (3)
Sourcing
20
ppm/mA
Sourcing
30
IL = 0 mA to –10mA, VIN
= VOUT+ VDO, TA =
25°C (3)
Sinking, REF3425
40
Sinking, REF3430
43
Sinking, REF3433
48
Sinking, REF3440
60
Sinking, REF3450
70
IL = 0 mA to –10mA, VIN
= VOUT+ VDO, –40°C ≤
TA ≤ 125°C (3)
Sinking, REF3425
70
Sinking, REF3430
75
Sinking, REF3433
84
Sinking, REF3440
98
Sinking, REF3450
140
ISC
Short circuit current
VOUT = 0 V at TA = 25°C
18
22
mA
NOISE
enp-p
Low frequency noise (4)
0.1Hz ≤ f ≤ 10Hz
5
µVp-p/V
0.1Hz ≤ f ≤ 10Hz (REF3440 and REF3450)
3.8
en
Integrated wide band
noise
10Hz ≤ f ≤ 10kHz
24
µVrms
en
Output voltage noise
density
f = 1kHz
0.25
ppm/√Hz
f = 1kHz (REF3440 and REF3450)
0.2
LONG TERM STABILITY AND HYSTERESIS
Long-term stability (5)
DBV Package
0 to 1000h at 35°C
25
ppm
1000h to 2000h at
35°C
10
Output voltage thermal
hysteresis (6)
DBV Package
25°C, –40°C,125°C,
25°C Cycle 1
30
ppm
25°C, –40°C,125°C,
25°C Cycle 2
10
TURN-ON TIME
tON
Turn-on time
0.1% of output voltage settling, CL = 10 µF
2.5
ms
CAPACITIVE LOAD
CL
Stable output capacitor
range
–40°C ≤ TA ≤ 125°C
0.1
10
µF
OUTPUT VOLTAGE
www.ti.com
REF3425, REF3430, REF3433, REF3440, REF3450
SBAS804C – SEPTEMBER 2017 – REVISED FEBRUARY 2021
Copyright © 2021 Texas Instruments Incorporated
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5
Product Folder Links: REF3425 REF3430 REF3433 REF3440 REF3450



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