ISL28148 Datasheet, PDF (5/18 Pages) Intersil Corporation – 4.5MHz, Single Dual and Quad Precision Rail-to-Rail Input-Output RRIO Op Amps with Very Low Input Bias Current

ISL28148, ISL28248, ISL28448
Typical Performance Curves V+ = 5V, V- = 0V, V_CM = 2.5V, R_L = Open
15
10
5
R_f = R_g = 100k
R_f = R_g = 10k
0
V₊ = 5V
-5 _{RL = 1k}
C_L = 16.3pF
-10 A_V = +2
V_OUT = 10mV_P-P
-15
100
1k
10k
R_f = R_g = 1k
100k
1M
FREQUENCY (Hz)
10M 100M
FIGURE 1. GAIN vs FREQUENCY vs FEEDBACK RESISTOR
VALUES R_f/R_g
1
0
-1
V_OUT = 100mV
-2
V_OUT = 50mV
-3
V_OUT = 10mV
-4
V_OUT = 1V
-5
-6 _{V+ = 5V}
-7 RL = 1k
-8 ^{CL = 16.3pF}
-9 ^{AV = +1}
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
FIGURE 2. GAIN vs FREQUENCY vs V_OUT, R_L = 1k
1
0
-1
V_OUT = 100mV
-2
V_OUT = 50mV
-3
V_OUT = 10mV
-4
V_OUT = 1V
-5
-6 _{V+ = 5V}
-7 ^RL ^{= 10k}
-8 ^{CL = 16.3pF}
A_V = +1
-9
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
FIGURE 3. GAIN vs FREQUENCY vs V_OUT, R_L = 10k
1
0
-1
V_OUT = 100mV
-2
V_OUT = 50mV
-3
V_OUT = 10mV
-4
V_OUT = 1V
-5
-6 _{V+ = 5V}
-7 ^RL ^{= 100k}
-8 ^{CL = 16.3pF}
A_V = +1
-9
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
FIGURE 4. GAIN vs FREQUENCY vs V_OUT, R_L = 100k
1
R_L = 1k
0
-1
R_L = 10k
-2
-3
R_L = 100k
-4
-5
-6 _{V+ = 5V}
-7 VOUT = 10mVP-P
-8 ^{CL = 16.3pF}
-9 ^{AV = +1}
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 5. GAIN vs FREQUENCY vs R_L
100M
70
A_V = 1001
60
50
A_V = 101
40
30
A_V = 10
20
10
A_V = 1
0
A_V = 1, R_g = INF, R_f = 0
A_V = 10, R_g = 1k, R_f = 9.09k
A_V = 101, R_g = 1k, R_f = 100k
A_V = 1001, R_g = 1k, R_f = 1M
V₊ = 5V
C_L = 16.3pF
R_L = 10k
V_OUT = 10mV_P-P
-10
100
1k
10k
100k
1M
10M 100M
FREQUENCY (Hz)
FIGURE 6. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
5
FN6337.4
September 21, 2010