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Data Sheet
SPECIFICATIONS
T A = 25°C, V IN = 5 V, unless otherwise noted.
Table 1.
AD780
AD780AN/AD780AR
AD780CR
AD780BN/AD780BR
Parameter
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
OUTPUT VOLTAGE
2.5 V Out
3.0 V Out
2.495
2.995
2.505
3.005
2.4985
2.9950
2.5015
3.0050
2.499
2.999
2.501
3.001
V
V
OUTPUT VOLTAGE DRIFT 1
?40°C to +85°C
?55°C to +125°C
7
20
7
20
3
ppm/°C
ppm/°C
LINE REGULATION
2.5 V Output, 4 V ≤+V IN ≤ 36 V, T MIN to T MAX
3.0 V Output, 4.5 V ≤+V IN ≤ 36 V, T MIN to T MAX
10
10
10
10
10
10
μV/V
μV/V
LOAD REGULATION, SERIES MODE
Sourcing 0 mA < I OUT < 10 mA
T MIN to T MAX
Sinking ?10 mA < I OUT < 0 mA
?40°C to +85°C
?55°C to +125°C
50
75
75
75
150
50
75
75
75
150
50
75
75
75
150
μV/mA
μV/mA
μV/mA
μV/mA
μV/mA
LOAD REGULATION, SHUNT MODE
I < I SHUNT < 10 mA
75
75
75
μV/mA
QUIESCENT CURRENT, 2.5 V SERIES MODE 2
–40°C to +85°C
?55°C to +125°C
MINIMUM SHUNT CURRENT
0.75
0.8
0.7
1.0
1.3
1.0
0.75
0.8
0.7
1.0
1.3
1.0
0.75
0.8
0.7
1.0
1.3
1.0
mA
mA
mA
OUTPUT NOISE
0.1 Hz to 10 Hz
Spectral Density, 100 Hz
LONG-TERM STABILITY 3
TRIM RANGE
4.0
4
100
20
4.0
4
100
20
4.0
4
100
20
μV p-p
nV/√Hz
± ppm/1000 Hr
±%
TEMPERATURE PIN
Voltage Output @ 25°C
500
560
620
500
560
620
500
560
620
mV
Temperature Sensitivity
Output Resistance
SHORT-CIRCUIT CURRENT TO GROUND
1.9
3
30
1.9
3
30
1.9
3
30
mV/°C
k?
mA
TEMPERATURE RANGE
Specified Performance (A, B, C)
Operating Performance (A, B, C) 4
–40
–55
+85
+125
–40
–55
+85
+125
–40
–55
+85
+125
°C
°C
Maximum output voltage drift is guaranteed for all packages.
3.0 V mode typically adds 100 μA to the quiescent current. Also, I q increases by 2 μA/V above an input voltage of 5 V.
The long-term stability specification is noncumulative. The drift in subsequent 1,000 hour periods is significantly lower than in the first 1,000 hour period.
The operating temperature range is defined as the temperature extremes at which the device will still function. Parts may deviate from their specified performance
1
2
3
4
outside their specified temperature range.
Rev. F | Page 3 of 12
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