Datasheet

REF3112, 3120, 3125, 3130, 3133, 3140
5
SBVS046C
www.ti.com
TYPICAL CHARACTERISTICS (Cont.)
At T
A
= +25°C, V
IN
= +5V power supply, REF3125 is used for typical characteristics, unless otherwise noted.
PSRR vs FREQUENCY
90
80
70
60
50
40
30
20
10
0
Power-Supply Rejection Ratio (dB)
1 10 100 1k 10k 100k
Frequency (Hz)
OUTPUT vs SUPPLY
2.505
2.504
2.503
2.502
2.501
2.500
2.499
2.498
Output (V)
2.0 2.5 3.0 3.5 4.0 4.5 5.5 6.05.0 6.5
Supply (V)
+125°C
+25°C
−40°C
OUTPUT VOLTAGE vs LOAD CURRENT
2.505
2.504
2.503
2.502
2.501
2.500
2.499
2.498
2.497
Output Voltage (V)
–15 –10 –50 51015
Load Current (mA)
+125°C
+25°C
−40°C
STEP RESPONSE, C
L
= 0, 5V STARTUP
100µs/div
V
IN
V
OUT
5V/div1V/div
0.1Hz TO 10Hz NOISE
10µV/div
400ms/div
REF3112 LONG TERM STABILITY
20
0
–20
–40
–60
–80
–100
–120
Drift (ppm)
0 100 200 300 400 500 600 700 800 900 1000
Time (Hrs)