REF192ES-REEL7 datasheet(13/28 Pages) AD

Part #	REF192ES-REEL7

Description	Precision Micropower, Low Dropout Voltage References

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REF19x Series

Rev. I | Page 13 of 28

ELECTRICAL CHARACTERISTICS—REF198 @ TA = 25°C

@ VS = 5.0 V, TA = 25°C, unless otherwise noted.

Table 20.

Parameter

Mnemonic

Condition

Min

Typ

Max

Unit

INITIAL ACCURACY1

E Grade

VO

IOUT = 0 mA

4.094

4.096

4.098

V

F Grade

4.091

4.101

V

G Grade

4.086

4.106

V

LINE REGULATION2

E Grade

ΔVO/ΔVIN

4.5 V ≤ VS ≤ 15 V, IOUT = 0 mA

2

4

ppm/V

F and G Grades

4

8

ppm/V

LOAD REGULATION2

E Grade

ΔVO/ΔVLOAD

VS = 5.4 V, 0 mA ≤ IOUT ≤ 30 mA

2

4

ppm/mA

F and G Grades

4

8

ppm/mA

DROPOUT VOLTAGE

VS − VO

VS = 4.6 V, ILOAD = 10 mA

0.502

V

VS = 5.4 V, ILOAD = 30 mA

1.30

V

LONG-TERM STABILITY3

DVO

1000 hours @ 125°C

1.2

mV

NOISE VOLTAGE

eN

0.1 Hz to 10 Hz

40

μV p-p

1 Initial accuracy includes temperature hysteresis effect.

2 Line and load regulation specifications include the effect of self-heating.

3 Long-term stability specification is noncumulative. The drift in subsequent 1000-hour periods is significantly lower than in the first 1000-hour period.

ELECTRICAL CHARACTERISTICS—REF198 @ −40°C ≤ TA ≤ +85°C

@ VS = 5.0 V, −40°C ≤ TA ≤ +85°C, unless otherwise noted.

Table 21.

Parameter

Mnemonic

Condition

Min

Typ

Max

Unit

TEMPERATURE COEFFICIENT1, 2

E Grade

TCVO/°C

IOUT = 0 mA

2

5

ppm/°C

F Grade

5

10

ppm/°C

G Grade3

10

25

ppm/°C

LINE REGULATION4

E Grade

ΔVO/ΔVIN

4.5 V ≤ VS ≤ 15 V, IOUT = 0 mA

5

10

ppm/V

F and G Grades

10

20

ppm/V

LOAD REGULATION4

E Grade

ΔVO/ΔVLOAD

VS = 5.4 V, 0 mA ≤ IOUT ≤ 25 mA

5

10

ppm/mA

F and G Grades

10

20

ppm/mA

DROPOUT VOLTAGE

VS − VO

VS = 4.6 V, ILOAD = 10 mA

0.502

V

VS = 5.4 V, ILOAD = 25 mA

1.30

V

SLEEP PIN

Logic High Input Voltage

VH

2.4

V

Logic High Input Current

IH

−8

μA

Logic Low Input Voltage

VL

0.8

V

Logic Low Input Current

IL

−8

μA

SUPPLY CURRENT

No load

45

μA

Sleep Mode

No load

15

μA

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.

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