REF191 데이터 시트보기 (PDF) - Analog Devices
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REF191 Datasheet PDF : 28 Pages
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REF19x Series
ELECTRICAL CHARACTERISTICS—REF192 @ −40°C ≤ TA ≤ +85°C
@ VS = 3.3 V, −40°C ≤ TA ≤ +85°C, unless otherwise noted.
Table 6.
Parameter
Mnemonic
Condition
TEMPERATURE COEFFICIENT1, 2
E Grade
TCVO/°C
IOUT = 0 mA
F Grade
G Grade3
LINE REGULATION4
E Grade
ΔVO/ΔVIN
3.0 V ≤ VS ≤ 15 V, IOUT = 0 mA
F and G Grades
LOAD REGULATION4
E Grade
ΔVO/ΔVLOAD
VS = 5.0 V, 0 mA ≤ IOUT ≤ 25 mA
F and G Grades
DROPOUT VOLTAGE
VS − VO
VS = 3.5 V, ILOAD = 10 mA
VS = 4.0 V, ILOAD = 25 mA
SLEEP PIN
Logic High Input Voltage
VH
Logic High Input Current
IH
Logic Low Input Voltage
VL
Logic Low Input Current
IL
SUPPLY CURRENT
No load
Sleep Mode
No load
Min Typ
2
5
10
5
10
5
10
2.4
1 For proper operation, a 1 μF capacitor is required between the output pin and the GND pin of the device.
2 TCVO is defined as the ratio of output change with temperature variation to the specified temperature range expressed in ppm/°C.
TCVO = (VMAX − VMIN)/VO(TMAX − TMIN)
3 Guaranteed by characterization.
4 Line and load regulation specifications include the effect of self-heating.
ELECTRICAL CHARACTERISTICS—REF192 @ −40°C ≤ TA ≤ +125°C
@ VS = 3.3 V, −40°C ≤ TA ≤ +125°C, unless otherwise noted.
Table 7.
Parameter
Mnemonic
Condition
TEMPERATURE COEFFICIENT1, 2
E Grade
TCVO/°C
IOUT = 0 mA
F Grade
G Grade3
LINE REGULATION4
E Grade
ΔVO/ΔVIN
3.0 V ≤ VS ≤ 15 V, IOUT = 0 mA
F and G Grades
LOAD REGULATION4
E Grade
ΔVO/ΔVLOAD
VS = 5.0 V, 0 mA ≤ IOUT ≤ 20 mA
F and G Grades
DROPOUT VOLTAGE
VS − VO
VS = 3.5 V, ILOAD = 10 mA
VS = 4.0 V, ILOAD = 20 mA
Min Typ
2
5
10
10
20
10
20
1 For proper operation, a 1 μF capacitor is required between the output pin and the GND pin of the device.
2 TCVO is defined as the ratio of output change with temperature variation to the specified temperature range expressed in ppm/°C.
TCVO = (VMAX − VMIN)/VO(TMAX − TMIN)
3 Guaranteed by characterization.
4 Line and load regulation specifications include the effect of self-heating.
Max Unit
5
ppm/°C
10
ppm/°C
25
ppm/°C
10
ppm/V
20
ppm/V
15
ppm/mA
20
ppm/mA
1.00 V
1.50 V
V
−8
μA
0.8
V
−8
μA
45
μA
15
μA
Max Unit
ppm/°C
ppm/°C
ppm/°C
ppm/V
ppm/V
ppm/mA
ppm/mA
1.00 V
1.50 V
Rev. I | Page 6 of 28
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