ISL28191_0808 Datasheet, PDF (5/16 Pages) Intersil Corporation – Low Distortion Rail-to-Rail Output, Op Amp

ISL28191, ISL28291
Typical Performance Curves
3
2
R_L = 100k
1
0
-1
-2
R_L = 10k
-3
-4 _{V+ = 5V}
-5 ^{AV = +1}
C_L = 10pF
-6 V_OUT = 10mV_P-P
R_L = 1k
R_L = 100
-7
10k
100k
1M
10M
FREQUENCY (Hz)
100M
FIGURE 1. GAIN vs FREQUENCY FOR VARIOUS R_LOAD
10
8
C_L = 110pF
6
4
2
0
-2
-4 _{V+ = 5V}
-6 ^AV ^{= +1}
R_L = 10kΩ
-8 _{VOUT = 10mVP-P}
-10
10k
100k
C_L = 57pF
C_L = 57pF
C_L = 32pF
C_L = 10pF
C_L = 20pF
1M
10M
100M
FREQUENCY (Hz)
FIGURE 2. GAIN vs FREQUENCY FOR VARIOUS C_LOAD
2
V_OUT = 1mV_P-P
1
V_OUT = 10mV_P-P
0
-1
-2
V_OUT = 100mV_P-P
-3
-4
V_OUT = 1V_P-P
-5 _{V+ = 5V}
-6 ^AV ^{= +1}
R_L = 10kΩ
-7 _{CL = 10pF}
-8
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 3. -3dB BANDWIDTH vs V_OUT
100M
70
A_V = 1000, R_F = 499k, R_G = 499
60
50
V+ = 5V
R_L = 10k
V_OUT = 100mV_P-P
40
30
A_V = 100, R_F = 49.9k,
R_G = 499
20
A_V = 10, R_F = 4.42k, R_G = 499
10
0
A_V = 1, R_F = 0, R_G = INF
-10
10k
100k
1M
10M
FREQUENCY (Hz)
100M
FIGURE 4. FREQUENCY RESPONSE vs CLOSED LOOP
GAIN
1M
100k
10k
V+ = 5V, 3V
ENABLED AND
DISABLED
V_SOURCE = 1V_P-P
1k
100
10k
100k
1M
10M
FREQUENCY (Hz)
100M
FIGURE 5. INPUT IMPEDANCE vs FREQUENCY
100k
10k _{V+ = 5V, 3V}
V_SOURCE = 1V_P-P
1k
100
10k
100k
1M
10M
FREQUENCY (Hz)
100M
FIGURE 6. DISABLED OUTPUT IMPEDANCE vs FREQUENCY
5
FN6156.7
August 11, 2008