REF192ES-REEL7 datasheet(7/28 Pages) AD

Part #	REF192ES-REEL7

Description	Precision Micropower, Low Dropout Voltage References

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REF19x Series

Rev. I | Page 7 of 28

ELECTRICAL CHARACTERISTICS—REF193 @ TA = 25°C

@ VS = 3.3 V, TA = 25°C, unless otherwise noted.

Table 8.

Parameter

Mnemonic

Condition

Min

Typ

Max

Unit

INITIAL ACCURACY1

G Grade

VO

IOUT = 0 mA

2.990

3.0

3.010

V

LINE REGULATION2

G Grade

ΔVO/ΔVIN

3.3 V, ≤ VS ≤ 15 V, IOUT = 0 mA

4

8

ppm/V

LOAD REGULATION2

G Grade

ΔVO/ΔVLOAD

VS = 5.0 V, 0 mA ≤ IOUT ≤ 30 mA

6

15

ppm/mA

DROPOUT VOLTAGE

VS − VO

VS = 3.8 V, ILOAD = 10 mA

0.80

V

VS = 4.0 V, ILOAD = 30 mA

1.00

V

LONG-TERM STABILITY3

DVO

1000 hours @ 125°C

1.2

mV

NOISE VOLTAGE

eN

0.1 Hz to 10 Hz

30

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—REF193 @ −40°C ≤ TA ≤ +85°C

@ VS = 3.3 V, −40°C ≤ TA ≤ +85°C, unless otherwise noted.

Table 9.

Parameter

Mnemonic

Condition

Min

Typ

Max

Unit

TEMPERATURE COEFFICIENT1, 2

G Grade3

TCVO/°C

IOUT = 0 mA

10

25

ppm/°C

LINE REGULATION4

G Grade

ΔVO/ΔVIN

3.3 V ≤ VS ≤ 15 V, IOUT = 0 mA

10

20

ppm/V

LOAD REGULATION4

G Grade

ΔVO/ΔVLOAD

VS = 5.0 V, 0 mA ≤ IOUT ≤ 25 mA

10

20

ppm/mA

DROPOUT VOLTAGE

VS − VO

VS = 3.8 V, ILOAD = 10 mA

0.80

V

VS = 4.1 V, ILOAD = 30 mA

1.10

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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