REF3312_16 Datasheet, PDF (9/35 Pages) Texas Instruments – SC70-3, SOT-23-3, and UQFN-8, 30-ppm Drift Voltage Reference

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REF3312, REF3318, REF3320, REF3325, REF3330, REF3333
SBOS392F – AUGUST 2007 – REVISED NOVEMBER 2016
Typical Characteristics (continued)
At T_A = 25°C and V_IN = 5 V, and REF3325 used for typical characteristic measurements (unless otherwise noted).
90
80
I_LOAD = 1mA
C_LOAD = 1mF
2.503
2.502
I_LOAD = 0mA
70
2.501
60
+125°C
2.500
50
2.499
40
+25°C
2.498
30
-40°C
20
2.497
10
2.496
0
10
100
1k
10k
100k
Frequency (Hz)
2.495
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Supply (V)
Figure 7. Power-Supply Rejection Ratio vs Frequency
2.503
2.502
V_S = 5V
2.501
2.500
+125°C
2.499
2.498
+25°C
2.497
2.496
-40°C
2.495
-5.0
-2.5
0
2.5
5.0
Load Current (mA)
Figure 9. Output Voltage vs Load Current
Figure 8. Output vs Supply
V_IN
V_OUT
400ms/div
C_L = 1-μF Startup
Figure 10. Step Response
V_IN
V_OUT
1s/div
Figure 11. 0.1-Hz to 10-Hz Noise
100ms/div
C_L = 1 μF, I_OUT = 0 mA
Figure 12. Line Transient
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