ADR280 Analog Devices, Inc., ADR280 Datasheet - Page 3

• Manufacturer Part Number: ADR280
• Description: 1.2 V Ultralow Power High Psrr Voltage Reference
• Manufacturer: Analog Devices, Inc.

SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
V
Table 1.
Parameter
Output Voltage
Temperature Coefficient
Line Regulation
Supply Current
Ground Current
Input Voltage Range
Operating Temperature Range
Nominal Load Capacitance
Output Noise Voltage
Voltage Noise Density
Power Supply Ripple Rejection
Start-Up Time
1
2
Typical values represent average readings taken at room temperature.
Power supply ripple rejection measurement applies to a changing input voltage (V
4.6 ms repetition rate.
IN
= 2.55 V to 5.5 V, T
A
= 25°C, unless otherwise noted.
2
Symbol
V
TCV
ΔV
I
I
V
T
C
V
e
PSRR
t
IN
GND
ON
A
N
OUT
IN
N
OUT
OUT
rms
O
/ΔV
IN
Conditions
2.4 V < V
0°C < T
–40°C < T
2.55 V < V
2.4 V < V
V– grounded, I
f = 10 Hz to 10 kHz
f = 400 kHz
I
LOAD
= 10 μA
A
IN
< 50°C
IN
A
< 5.5 V, 0 μA < I
IN
< 5.5 V, no load
< +85°C
< 5.5 V, no load
Rev. C | Page 3 of 12
LOAD
= 10 μA
IN
) waveform with a nominal 3.6 V baseline that drops to a 3 V value for 380 μs at a
OUT
< 10 μA, −40°C < T
A
< +85°C
Min
1.195
2.4
−40
1
Typ
1.200
5
10
2
10
12
12.5
12.5
−80
2
1
Max
1.205
20
40
12
16
20
5.5
+85
ADR280
Unit
V
ppm/°C
ppm/°C
ppm/V
μA
μA
V
°C
μF
μV rms
nV/√Hz
dB
ms