LT1009_06 Datasheet, PDF (4/17 Pages) Texas Instruments – 2.5-V INTEGRATED REFERENCE CIRCUIT

LT1009
2.5-V INTEGRATED REFERENCE CIRCUIT
SLVS013L – MAY 1987 – REVISED SEPTEMBER 2005
www.ti.com
TYPICAL CHARACTERISTICS
Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of
the various devices.
REFERENCE VOLTAGE
vs
FREE-AIR TEMPERATURE
2.53
I_z = 1 mA
2.52
CHANGE IN REFERENCE VOLTAGE
vs
REFERENCE CURRENT
5
4
2.51
3
2.5
2
2.49
1
2.48
2.47
−50 −25 0
25 50 75 100 125
T_A − Free-Air Temperature − °C
Figure 1.
REVERSE CURRENT
vs
REVERSE VOLTAGE
10^−1
10^−2
0
0
4
8
12
16
20
I_Z − Reference Current − mA
Figure 2.
FORWARD VOLTAGE
vs
FORWARD CURRENT
1.2
T_J = 25°C
1
0.8
10^−3
0.6
10^−4
10^−5
0.6
T_J = 125°C
T_J = −55°C
T_J = 25°C
1
1.4
1.8
2.2
2.6
V_R − Reverse Voltage − V
Figure 3.
0.4
0.2
0
0.001
0.01
0.1
1
10
I_F − Forward Current − mA
Figure 4.
4