ISL21400 Datasheet, PDF (8/17 Pages) Intersil Corporation – Programmable Temperature Slope Voltage Reference

ISL21400
Typical Performance Curves (Continued)
1.22
VREF REGISTER = 255d
TS REGISTER = 127d
1.21
1.20
1.19
1.18
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V_CC (V)
FIGURE 3. V_OUT vs V_CC (V_CC = +2.7V to +5.5V)
0.4
VREF REGISTER = 255d
0.35 TS REGISTER = 127d
+85°C
0.3
+25°C
0.25
0.2
--4400°×CC
0.15
0.1
0.05
0
2
3
4
5
6
7
V_CC (V)
FIGURE 4. SUPPLY VOLTAGE vs SUPPLY CURRENT
NO LOAD
A_V = 1
100µV/DIV (V_OUT x 1000)
NO LOAD
A_V = 4
50µV/DIV (V_OUT x 1000)
FIGURE 5. V_OUT VOLTAGE NOISE (A_V = 1, NO LOAD)
1.22
1.21
1.20
1.19
1.18
-40
VREF REGISTER = 255d
TS REGISTER = 127d
-15
10
35
60
85
TEMPERATURE (°C)
FIGURE 7. ACCURACY vs TEMPERATURE (-40°C TO +85°C)
8
FIGURE 6. V_OUT VOLTAGE NOISE (A_V = 4, NO LOAD)
CH1 = V_CC
CH2 = V_OUT
FIGURE 8. POWER ON
FN8091.0
December 14, 2006