ISL28134_1107 Datasheet, PDF (10/24 Pages) Intersil Corporation – 5V Ultra Low Noise, Zero Drift Rail-to-Rail Precision Op Amp

ISL28134
Typical Performance Curves T_A =+25°C, V_CM = 0V Unless otherwise specified. (Continued)
100
300
200
100
10
0
V_s = ±2.5V
A_V = 1
1
0.001 0.01 0.1
1
10 100 1000 10k 100k
FREQUENCY (Hz)
FIGURE 21. INPUT NOISE VOLTAGE DENSITY vs FREQUENCY
-100
-200
V_s = ±2.5V
A_V = 10,000
Rg = 10, Rf = 100k
-300
0 1 2 3 4 5 6 7 8 9 10
TIME (s)
FIGURE 22. INPUT NOISE VOLTAGE 0.1Hz TO 10Hz
1000
100
V_s = ±2.5V
A_V = 1
R_S = 5MΩ
10
0.1
C_IN+ = 0pF
CI_N+ =100pF
1
10
100
1000
10k
100k
FREQUENCY (Hz)
FIGURE 23. INPUT NOISE CURRENT DENSITY vs FREQUENCY
140
GAIN
PHASE
120
100
80
60
40
20 _{Vs = ±2.5V}
0 ^{RL = 10MΩ}
SIMULATION
-20
0.1 1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
10M 100M
FIGURE 24. OPEN LOOP GAIN AND PHASE, R_L = 10M
140
GAIN
PHASE
120
100
80
60
40
20 _{Vs = ±2.5V}
RL = 10kΩ
0
SIMULATION
-20
0.1 1
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
FIGURE 25. OPEN LOOP GAIN AND PHASE, R_L = 10k
90
80 ^{AV = 10,000}
Rg = 10, Rf = 100k
70
A_V = 1000
60
Rg = 100, Rf = 100k
50
A_V = 100
40
30 _{AV = 10}
20
10
A_V = 1
0
-10
-20
Rg = 1k, Rf = 100k
Rg = 10k, Rf = 100k
Rg = OPEN, Rf = 0
V_s = ± 2.5V
C_L = 3.7pF
R_L = 100k
V_OUT = 10mV_P-P
-30
-40
10
100
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
FIGURE 26. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
10
FN6957.2
July 25, 2011