Changes to Ordering Guide .......................................................... 19
10/05—Revision 0: Initial Version
Rev. E | Page 2 of 20
ADR440/ADR441/ADR443/ADR444/ADR445
SPECIFICATIONS
ADR440 ELECTRICAL CHARACTERISTICS
V
IN
= 3 V to 18 V, T
A
= 25°C, C
IN
= C
OUT
= 0.1 μF, unless otherwise noted.
Table 2.
Parameter
OUTPUT VOLTAGE
A Grade
B Grade
INITIAL ACCURACY
A Grade
B Grade
TEMPERATURE DRIFT
A Grade
B Grade
LINE REGULATION
LOAD REGULATION
TCV
O
−40°C < T
A
< +125°C
−40°C < T
A
< +125°C
−40°C < T
A
< +125°C
I
LOAD
= 0 mA to 10 mA, V
IN
= 3.5 V,
−40°C < T
A
< +125°C
I
LOAD
= 0 mA to −5 mA, V
IN
= 3.5 V,
−40°C < T
A
< +125°C
No load, −40°C < T
A
< +125°C
0.1 Hz to 10 Hz
1 kHz
1000 hours
f
IN
= 1 kHz
3
500
2
1
+10
10
3
+20
+50
+50
3.75
ppm/°C
ppm/°C
ppm/V
ppm/mA
ppm/mA
mA
μV p-p
nV/√Hz
μs
ppm
ppm
dB
mA
V
mV
Symbol
V
O
Conditions
Min
2.045
2.047
V
OERR
3
0.15
1
0.05
mV
%
mV
%
Typ
2.048
2.048
Max
2.051
2.049
Unit
V
V
ΔV
O
/ΔV
IN
ΔV
O
/ΔI
LOAD
ΔV
O
/ΔI
LOAD
−20
−50
−50
QUIESCENT CURRENT
VOLTAGE NOISE
VOLTAGE NOISE DENSITY
TURN-ON SETTLING TIME
LONG-TERM STABILITY
1
OUTPUT VOLTAGE HYSTERESIS
RIPPLE REJECTION RATIO
SHORT CIRCUIT TO GND
SUPPLY VOLTAGE OPERATING RANGE
SUPPLY VOLTAGE HEADROOM
1
I
IN
e
N
p-p
e
N
t
R
V
O
V
O_HYS
RRR
I
SC
V
IN
V
IN
− V
O
3
1
45
10
50
70
−80
27
18
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.
Rev. E | Page 3 of 20
ADR440/ADR441/ADR443/ADR444/ADR445
ADR441 ELECTRICAL CHARACTERISTICS
V
IN
= 3 V to 18 V, T
A
= 25°C, C
IN
= C
OUT
= 0.1 μF, unless otherwise noted.
Table 3.
Parameter
OUTPUT VOLTAGE
A Grade
B Grade
INITIAL ACCURACY
A Grade
B Grade
TEMPERATURE DRIFT
A Grade
B Grade
LINE REGULATION
LOAD REGULATION
TCV
O
−40°C < T
A
< +125°C
−40°C < T
A
< +125°C
−40°C < T
A
< +125°C
I
LOAD
= 0 mA to 10 mA, V
IN
= 4 V,
−40°C < T
A
< +125°C
I
LOAD
= 0 mA to −5 mA, V
IN
= 4 V,
−40°C < T
A
< +125°C
No load, −40°C < T
A
< +125°C
0.1 Hz to 10 Hz
1 kHz
1000 hours
f
IN
= 1 kHz
3
500
2
1
10
−50
−50
3
1.2
48
10
50
70
−80
27
10
3
20
+50
+50
3.75
ppm/°C
ppm/°C
ppm/V
ppm/mA
ppm/mA
mA
μV p-p
nV/√Hz
μs
ppm
ppm
dB
mA
V
mV
Symbol
V
O
Conditions
Min
2.497
2.499
V
OERR
3
0.12
1
0.04
mV
%
mV
%
Typ
2.500
2.500
Max
2.503
2.501
Unit
V
V
ΔV
O
/ΔV
IN
ΔV
O
/ΔI
LOAD
ΔV
O
/ΔI
LOAD
QUIESCENT CURRENT
VOLTAGE NOISE
VOLTAGE NOISE DENSITY
TURN-ON SETTLING TIME
LONG-TERM STABILITY
1
OUTPUT VOLTAGE HYSTERESIS
RIPPLE REJECTION RATIO
SHORT CIRCUIT TO GND
SUPPLY VOLTAGE OPERATING RANGE
SUPPLY VOLTAGE HEADROOM
1
I
IN
e
N
p-p
e
N
t
R
V
O
V
O_HYS
RRR
I
SC
V
IN
V
IN
− V
O
18
The long-term stability specification is noncumulative. The drift in subsequent 1000-hour period is significantly lower than in the first 1000-hour period.
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