The long-term stability specification is noncumulative. The drift in subsequent 1000-hour period is significantly lower than in the first 1000-hour period.
Data Sheet ADR440/ADR441/ADR443/ADR444/ADR445
Rev. F | Page 5 of 18
ADR443 ELECTRICAL CHARACTERISTICS
V
IN
= 3.5 V to 18 V, T
A
= 25°C, C
IN
= C
OUT
= 0.1 µF, unless otherwise noted.
Table 4.
Parameter Symbol Conditions Min Typ Max Unit
OUTPUT VOLTAGE V
O
A Grade
2.996 3.000 3.004 V
B Grade
2.9988 3.000 3.0012 V
INITIAL ACCURACY V
OERR
A Grade
4 mV
0.13 %
B Grade 1.2 mV
0.04 %
TEMPERATURE DRIFT TCV
O
A Grade −40°C < T
A
< +125°C 2 10 ppm/°C
B Grade −40°C < T
A
< +125°C 1 3 ppm/°C
LINE REGULATION ΔV
O
/ΔV
IN
−40°C < T
A
< +125°C 10 20 ppm/V
LOAD REGULATION ΔV
O
/ΔI
LOAD
I
LOAD
= 0 mA to 10 mA, V
IN
= 5 V,
−40°C < T
A
< +125°C
−50 +50 ppm/mA
ΔV
O
/ΔI
LOAD
I
LOAD
= 0 mA to −5 mA, V
IN
= 5 V,
−40°C < T
A
< +125°C
−50 +50 ppm/mA
QUIESCENT CURRENT I
IN
No load, −40°C < T
A
< +125°C 3 3.75 mA
VOLTAGE NOISE e
N
p-p 0.1 Hz to 10 Hz 1.4 μV p-p
VOLTAGE NOISE DENSITY e
N
1 kHz 57.6 nV/√Hz
TURN-ON SETTLING TIME t
R
10 μs
LONG-TERM STABILITY
1
V
O
1000 hours 50 ppm
OUTPUT VOLTAGE HYSTERESIS V
O_HYS
70 ppm
RIPPLE REJECTION RATIO RRR f
IN
= 1 kHz −80 dB
SHORT CIRCUIT TO GND I
SC
27 mA
SUPPLY VOLTAGE OPERATING RANGE V
IN
3.5 18 V
SUPPLY VOLTAGE HEADROOM V
IN
− V
O
500 mV
1
The long-term stability specification is noncumulative. The drift in the subsequent 1000-hour period is significantly lower than in the first 1000-hour period.
ADR440/ADR441/ADR443/ADR444/ADR445 Data Sheet
Rev. F | Page 6 of 18
ADR444 ELECTRICAL CHARACTERISTICS
V
IN
= 4.6 V to 18 V, T
A
= 25°C, C
IN
= C
OUT
= 0.1 µF, unless otherwise noted.
Table 5.
Parameter Symbol Conditions Min Typ Max Unit
OUTPUT VOLTAGE V
O
A Grade
4.091 4.096 4.101 V
B Grade
4.0944 4.096 4.0976 V
INITIAL ACCURACY V
OERR
A Grade
5 mV
0.13 %
B Grade 1.6 mV
0.04 %
TEMPERATURE DRIFT TCV
O
A Grade −40°C < T
A
< +125°C 2 10 ppm/°C
B Grade −40°C < T
A
< +125°C 1 3 ppm/°C
LINE REGULATION ΔV
O
/ΔV
IN
−40°C < T
A
< +125°C 10 20 ppm/V
LOAD REGULATION ΔV
O
/ΔI
LOAD
I
LOAD
= 0 mA to 10 mA, V
IN
= 5.5 V,
−40°C < T
A
< +125°C
−50 +50 ppm/mA
ΔV
O
/ΔI
LOAD
I
LOAD
= 0 mA to −5 mA, V
IN
= 5.5 V,
−40°C < T
A
< +125°C
−50 +50 ppm/mA
QUIESCENT CURRENT I
IN
No load, −40°C < T
A
< +125°C 3 3.75 mA
VOLTAGE NOISE e
N
p-p 0.1 Hz to 10 Hz 1.8 μV p-p
VOLTAGE NOISE DENSITY e
N
1 kHz 78.6 nV/√Hz
TURN-ON SETTLING TIME t
R
10 μs
LONG-TERM STABILITY
1
V
O
1000 hours 50 ppm
OUTPUT VOLTAGE HYSTERESIS V
O_HYS
70 ppm
RIPPLE REJECTION RATIO RRR f
IN
= 1 kHz −80 dB
SHORT CIRCUIT TO GND I
SC
27 mA
SUPPLY VOLTAGE OPERATING RANGE V
IN
4.6 18 V
SUPPLY VOLTAGE HEADROOM V
IN
− V
O
500 mV
1
The long-term stability specification is noncumulative. The drift in the subsequent 1000-hour period is significantly lower than in the first 1000-hour period.
