TYPICAL PERFORMANCE CHARACTERISTICS
At TA= +25℃, VS = +5V, G = +2, RF = 887Ω, RG = 887Ω, CL =47pF ,and RL= 600Ω, unless otherwise noted.
Closed-Loop Gain vs.Frequency
Capacitive Load vs.Frequency
60
40
6
3
VS = 5V
Vo =0.1VP-P
G = +1
CL = 100pF
RL = 600Ω
CL = 47pF
CL = 47pF
CL = 30pF
G = +100
0
20
-3
-6
-9
-12
-15
CL = 20pF
G = +10
G = +1
V+
SGM8653
V
IN
+
R
s
0
Vo
-
CL
V-
-20
RF = 887Ω
(RL is
Optional)
-40
0.1
1
10
100
1000
0.01
0.1
1 10
Frequency(MHz)
100
1000
Frequency(MHz)
Small Signal Overshoot vs.Load Capacitance
Output Impedance vs.Frequency
20
16
12
8
30
25
20
15
10
5
Vo = 0.2VP-P
G = + 1
-overshoot
G = +100
G = +10
G = +1
+overshoot
4
0
0
0.1
1
10
100
1000
10000
0
10
20
30
40
50
60
70
Frequency(KHz)
Capacitance(pF)
Small Signal Step Response
Large Signal Step Response
Vs=5V
Vs=5V
CL =47pF
VIN = 200mV
G= +1
CL =47pF
VIN = 2V
G= +1
Time(100µs/div)
Time(400ns/div)
４
SGM8651/2/3/4/5
SGMICRO [ Shengbang Microelectronics Co, Ltd ]
