ISL21009_0709 Datasheet, PDF (7/19 Pages) Intersil Corporation – High Voltage Input Precision, Low Noise FGA™ Voltage References

ISL21009
Typical Performance Curves (ISL21009-12) (R_EXT = 100kΩ) (Continued)
0
-10 ^{500kHz PEAK}
-20 ^{VIN (DC) = 10V}
NO LOAD
-30
-40
-50
-60
10nF
-70
100nF
-80
-90
-100
1
10
100
1k
10k 100k
FREQUENCY (Hz)
1nF
1M 10M
X = 10µs/DIV
Y = 200mV/DIV
FIGURE 8. PSRR AT DIFFERENT CAPACITIVE LOADS
FIGURE 9. LINE TRANSIENT RESPONSE, NO CAPACITIVE
LOAD
X = 5µs/DIV
Y = 20mV/DIV
V_IN
V_REF
FIGURE 10. LINE TRANSIENT RESPONSE, 0.001µF LOAD
CAPACITANCE
200
180
160
140
120
100
80
60
40
20
0
1
1nF LOAD
NO LOAD
10nF LOAD
10
100
1k
10k 100k 1M 10M
FREQUENCY (Hz)
FIGURE 12. Z_OUT vs FREQUENCY
7
X = 100µs/DIV
Y = 1V/DIV
FIGURE 11. TURN-ON TIME
GAIN IS x1000,
NOISE IS 4.5µV_P-P
FIGURE 13. V_OUT NOISE, 0.1Hz TO 10Hz
FN6327.6
September 12, 2007