REF5020-EP Datasheet, PDF (6/29 Pages) Texas Instruments – LOW-NOISE, VERY LOW DRIFT, PRECISION VOLTAGE REFERENCE

REF5020-EP, REF5025-EP, REF5040-EP, REF5050-EP
SBOS471B – APRIL 2010 – REVISED JUNE 2015
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6.7 Typical Characteristics
At T_A = 25°C, I_LOAD = 0, and V_IN = V_OUT + 0.2 V, unless otherwise noted. For V_OUT ≤ 2.5 V, the minimum supply voltage is 2.7
V.
0°C to 85°C
Drift (ppm/°C)
Figure 1. Temperature Drift
Output Initial Accuracy (%)
Figure 3. Output Voltage Initial Accuracy
160
140
120
100
80
60
40
20
0
10
100
1k
10k
Frequency (Hz)
100k
Figure 5. Power-Supply Rejection Ratio vs Frequency
–40°C to 125°C
Drift (ppm/°C)
Figure 2. Temperature Drift
0.05
0.04
0.03
0.02
0.01
0
-0.01
-0.02
-0.03
-0.04
-0.05
-50 -25
0
25
50
75
Temperature (°C)
100 125
Figure 4. Output Voltage Accuracy vs Temperature
0.8
+125°C
0.7
0.6
+25°C
0.5
-40°C
0.4
0.3
0.2
0.1
0
-15
-10
-5
0
5
Load Current (mA)
10
15
Figure 6. Dropout Voltage vs Load Current
6
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