SGM8651_15 Datasheet, PDF (4/18 Pages) SG Micro Corp – CMOS Operational Amplifiers

SGM8651/2/4
SGM8653/5
50MHz, Rail-to-Rail Output
CMOS Operational Amplifiers
TYPICAL PERFORMANCE CHARACTERISTICS
At T_A= +25℃, V_S = +5V, G = +2, R_F = 887Ω, R_G = 887Ω, C_L = 47pF, and R_L= 600Ω, unless otherwise noted.
Closed-Loop Gain vs. Frequency
60
40
G = +100
V_S = 5V
R_L = 600Ω
C_L = 47pF
20
G = +10
0
G = +1
-20
-40
0.01
0.1
1
10
100
Frequency (MHz)
1000
Capacitive Load vs. Frequency
6
V_o = 0.1V_P-P
3 _{G = +1}
C_L = 100pF
C_L = 47pF
0
C_L = 30pF
-3
C_L = 20pF
-6
-9
-12
-15
0.1
1
10
100
Frequency (MHz)
1000
Output Impedance vs. Frequency
20
16
G = +100
12
G = +10
8
G = +1
4
0
0.1
1
10
100 1000 10000
Frequency (kHz)
Small Signal Overshoot vs. Load Capacitance
30
V_O = 0.2V_P-P
25 G = + 1
-overshoot
20
15
10
+overshoot
5
0
0 10 20 30 40 50 60 70
Capacitance (pF)
Large Signal Step Response
V_S = 5V
C_L = 47pF
V_IN = 2V
G = +1
Small Signal Step Response
V_S = 5V
C_L = 47pF
V_IN = 200mV
G = +1
Time (100μs/div)
SG Micro Corp
www.sg-micro.com
Time (400ns/div)
4