ISL28233_14 Datasheet, PDF (9/25 Pages) Intersil Corporation – Dual and Quad Micropower Chopper Stabilized, RRIO Operational Amplifiers

ISL28233, ISL28433
Typical Performance Curves V+ = 5V, V- = 0V, V_CM = 2.5V, R_L = Open, T = +25°C, unless otherwise specified. (Continued)
1
0
-1
-2
R_L = 1k
-3
R_L = 10k
-4
R_L = 49.9k
-5
-6 VS = ±0.8V
-7 ^{CL = 3.7pF}
A_V = +1
-8 _{VOUT = 10mVP-P}
-9
100
1k
10k
100k
FREQUENCY (Hz)
R_L = 100k
R_L = OPEN
1M
10M
1
0
-1
R_L = 1k
-2
R_L = 10k
-3
-4
R_L = 49.9k
-5
-6 ^{VS = ±2.5V}
C_L = 3.7pF
-7 _{AV = +1}
-8 VOUT = 10mVP-P
-9
100
1k
10k
100k
FREQUENCY (Hz)
R_L = 100k
R_L = OPEN
1M
10M
FIGURE 13. GAIN vs FREQUENCY vs R_L, V_S = ±0.8V
FIGURE 14. GAIN vs FREQUENCY vs R_L, V_S = ±2.5V
10
9
8
Rf = Rg = 1k
7
6
Rf = Rg = 10k
5
4
3 ^VS ^{= ±2.5V}
R_L = 100k
2 C_L = 3.7pF
1
A_V = +2
V_OUT = 10mV_P-P
0
100
1k
Rf = Rg = 100k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 15. GAIN vs FREQUENCY vs FEEDBACK RESISTOR VALUES
R_f/R_g
1
0
-1
-2
V_OUT = 1V
-3
-4
V_OUT = 500mV
-5
-6
-7
-8
-9
100
V_OUT = 250mV
V_OUT = 100mV
V_OUT = 10mV
1k
10k
100k
V_S = ±2.5V
R_L = OPEN
C_L = 3.7pF
A_V = 1
1M
10M
FREQUENCY (Hz)
FIGURE 16. GAIN vs FREQUENCY vs V_OUT, R_L = OPEN
70
60 ^{AV = 1000}
Rg = 100, Rf = 100k
50
40 ^{AV = 100}
30
A_V = 10
20
Rg = 1k, Rf = 100k
V+ = 5V
C_L = 3.7pF
R_L = 100k
V_OUT = 10mV_P-P
10
Rg = 10k, Rf = 100k
A_V = 1
0
-10
10
Rg = OPEN, Rf = 0
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 17. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
1
0
-1
-2
V_S = ±0.7V
-3
V_S = ±0.8V
-4
V_S= ±1.5V
-5
V_S = ±2.75V
-6 _{RL = 100k}
-7 ^CL ^{= 3.7pF}
A_V = +1
-8 _{VOUT = 10mVP-P}
-9
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 18. GAIN vs FREQUENCY vs SUPPLY VOLTAGE
9
FN7692.3
July 26, 2011