ISL28138 Datasheet, PDF (6/16 Pages) Intersil Corporation – 4.5MHz, Single and Dual Precision Rail-to-Rail Input-Output (RRIO) Op Amps with Very Low Input Bias Current

ISL28138, ISL28238
Typical Performance Curves V+ = 5V, V- = 0V,V_CM = 2.5V, R_L = Open, unless otherwise specified. (Continued)
10
0
V₊ = 5V
R_L = 1k
-0.5
C_L = 16.3pF
A_V = +1
-1.0
1
-1.5
0.1
1
10
100
1k
10k
100k
FREQUENCY (Hz)
FIGURE 13. INPUT CURRENT NOISE DENSITY vs FREQUENCY
-2.0
-2.5
V₊ = 5V
C_L = 16.3pF
R_L = 10k
A_V = 10k
R_g = 10
-3.0
R_f = 100k
0 1 2 3 4 5 6 7 8 9 10
TIME (s)
FIGURE 14. INPUT VOLTAGE NOISE 0.1Hz to 10Hz
2.0
1.5
1.0
0.5
0
-0.5
V₊, V_- = ±2.5V
R_L = 1k
-1.0
C_L = 16.3pF
R_g = R_f =10k
-1.5
A_V = 2
V_OUT = 3V_P-P
-2.0
0 1 2 3 4 5 6 7 8 9 10
TIME (µs)
FIGURE 15. LARGE SIGNAL STEP RESPONSE
0.025
0.020
0.015
V₊, V_- = ±2.5V
R_L = 1k
C_L = 16.3pF
R_g= R_f = 10k
A_V = 2
V_OUT = 10mV_P-P
0.010
0 1 2 3 4 5 6 7 8 9 10
TIME (µs)
FIGURE 16. SMALL SIGNAL STEP RESPONSE
3.5
1.2
3.0 ^VEN
V_OUT
1.0
2.5
0.8
2.0
V₊ = 5V
R_g = R_f = 10k
0.6
1.5
1.0
C_L = 16.3pF
A_V = +2
0.4
V_OUT = 1V_P-P
0.2
0.5
R_L = 10k
0
0
-0.5
0
-0.2
10 20 30 40 50 60 70 80 90 100
TIME (µs)
FIGURE 17. ISL28138 ENABLE TO OUTPUT RESPONSE
6
FN6336.2
February 19, 2008