ADR821/ADR827
Rev. 0 | Page 6 of 20
ADR827 ELECTRICAL CHARACTERISTICS—REFERENCE
VIN = 2.7 V to 15 V, TA = 25°C, CIN = COUT = 0.1 μF, unless otherwise noted.
Table 5.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
OUTPUT VOLTAGE
VOUT
A Grade
1.245
1.250
1.255
V
B Grade
1.2475
1.250
1.2525
V
INITIAL ACCURACY
VOERR
A Grade
5
mV
0.40
%
B Grade
2.50
mV
0.20
%
TEMPERATURE COEFFICIENT
TCVOUT
40°C < TA < +125°C
A Grade
30
ppm/°C
B Grade
15
ppm/°C
DROPOUT (VOUT – VIN)
VDO
IOUT = 0 mA
1.45
V
LINE REGULATION
VOUT/VIN
VIN = 2.7 V to 15 V, 40°C < TA < +125°C
20
50
ppm/V
LOAD REGULATION
VOUT/ILOAD
ILOAD = 0 mA to 5 mA, 40°C < TA < +125°C,
VIN = 3 V
400
ppm/mA
ILOAD = 0 mA to 5 mA, VIN = 3 V
80
200
ppm/mA
ILOAD = 3 mA to 0 mA, 40°C < TA < +125°C,
VIN = 3 V
600
ppm/mA
ILOAD = 3 mA to +5 mA, VIN = 3 V
80
300
ppm/mA
VOLTAGE NOISE
eN p-p
0.1 Hz to 10 Hz
8
μV p-p
BROADBAND NOISE
10 Hz to 10 kHz
260
μV p-p
TURN-ON SETTLING TIME
tR
CIN = 0 μF, COUT = 0.1 μF
80
μs
POWER SUPPLY
Positive Supply Current
ISY+
No load, 40°C < TA < +125°C
400
μA
Negative Supply Current
ISY
No load, 40°C < TA < +125°C
300
μA
ON-BOARD RESISTORS
R1, R2
Resistor Tolerance
8
10
12
kΩ
Resistor Matching
0.5
%
Resistor Temperature Coefficient
TC
±100
ppm/°C