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REF7012 Datasheet(PDF) 12 Page - Texas Instruments

Part # REF7012
Description  REF70 2 ppm/°C Maximum Drift, 0.23 ppmp-p 1/f Noise, Precision Voltage Reference
PDF  40 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

REF7012 Datasheet(HTML) 12 Page - Texas Instruments

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7.10 REF7050 Electrical Characteristics
Specifications are tested at TA = 25°C, IL = 0 mA, CIN = 0.1 µF, COUT = 10 µF, VIN = VOUT + 0.5V, OUTS connected to OUTF,
unless otherwise noted
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
ACCURACY AND DRIFT
Output voltage accuracy TA = 25°C
–0.025
0.025
%
Output voltage
temperature coefficient
–40°C ≤ TA ≤ 125°C
2
ppm/
℃
LINE AND LOAD REGULATION
ΔVO / ΔVIN Line regulation
VOUT + VDO ≤ VIN ≤ 18 V
4
ppm/V
VOUT + VDO ≤ VIN ≤ 18 V, –40°C ≤ TA ≤ 125°C
30
ΔVO / ΔIL
Load regulation
IL = 0 mA to 10mA, VIN = VOUT + VDO
5
ppm/mA
IL = 0 mA to 10mA, VIN = VOUT + VDO, –40°C ≤
TA ≤ 125°C
10
IL = 0 mA to –10mA, VIN = VOUT + VDO
5
IL = 0 mA to –10mA, VIN = VOUT + VDO, –40°C ≤
TA ≤ 125°C
15
NOISE
enp-p
Low frequency noise
ƒ = 0.1 Hz to 10 Hz
0.23
ppmp-p
en
Output voltage noise
ƒ = 10 Hz to 1 kHz
0.35
ppmrms
HYSTERESIS AND LONG-TERM STABILITY
Long-term stability
0 to 250h at 35°C - FKH package
15
ppm
0 to 1000h at 35°C - FKH package
35
Output voltage
hysteresis
25°C, –40°C, 125°C, 25°C – FKH package
180
ppm
25°C, –40°C, 85°C, 25°C – FKH package
100
25°C, 0°C, 70°C, 25°C – FKH package
40
TURN ON TIME
tON
Turn-on time
0.1% settling, COUT = 1µF
0.5
ms
CAPACITIVE LOAD
CIN
Stable input capacitor
range
–40
℃ ≤ TA ≤ 125℃
0.1
µF
COUT
Stable output capacitor
range (1)
–40
℃ ≤ TA ≤ 125℃
1
100
µF
POWER SUPPLY
VIN
Input voltage
VOUT +
VDO
18
V
IQ
Quiescent current
TA = 25°C
Active mode
4
6
mA
–40°C ≤ TA ≤ 125°C
6.5
mA
TA = 25°C
Shutdown mode
5
10
uA
–40°C ≤ TA ≤ 125°C
12
uA
VEN
Enable pin voltage
Active mode (EN=1)
1.6
V
Shutdown mode (EN=0)
0.5
V
IEN
Enable pin current
VIN = VEN = 18V
3.2
4
uA
VIN = VEN = 18V, –40°C ≤ TA ≤ 125°C
5
uA
VDO
Dropout voltage
IL = 5mA, –40°C ≤ TA ≤ 125°C
250
mV
IL = 10mA, –40°C ≤ TA ≤ 125°C
400
mV
ISC
Short circuit current
VOUT = 0V
25
mA
(1)
ESR for the capacitor can range from 10mΩ to 400mΩ
REF70
SNAS781E – OCTOBER 2020 – REVISED JULY 2022
www.ti.com
12
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: REF70



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