ADR225HRZN Datasheet, PDF (6/12 Pages) Analog Devices – High Temperature, Low Drift, Micropower 2.5 V Reference

ADR225
1.0
–40°C
0.9
+25°C
+175°C
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
2
4
6
8
10
12
LOAD CURRENT (mA)
Figure 9. Dropout Voltage vs. Load Current (ILOAD)
2.508
2.506
UNIT 1
UNIT 3
UNIT 5
2.504
2.502
2.500
2.498
2.496
40
55 70 85 100 115 130 145 160 175
TEMPERATURE (°C)
Figure 10. Thermal Hysteresis, ILOAD = 0 mA
V_IN = 2V/DIV
C_OUT = 1µF
NO LOAD
1
V_OUT = 1V/DIV
2
CH1 2V ^BW CH2 1V
M100µs
A CH1 4.4V
Figure 11. Power-On Response (see Figure 17)
Data Sheet
V_IN = 5V/DIV
10V
C_IN = C_OUT = 1µF
R_L = 10kΩ
5V
1
0V
V_OUT = 200mV/DIV
2
CH1 5V ^BW CH2 200mV
M200µs
A CH1 7.3V
Figure 12. Line Transient Response (see Figure 17)
LOAD CURRENT
0mA
1
10mA
V_OUT = 20mV/DIV
C_OUT = 1µF
2
CH1 1V CH2 20mV
M100µs
A CH1 1.32V
Figure 13. Load Transient Response
0
–20
–40
–60
–80
–100
–120
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 14. Power Supply Rejection Ratio (PSRR) vs. Frequency, CLOAD = 1 µF
Rev. A | Page 6 of 12