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
20
G = +10
0
G = +1
-20
-40
0.01
V
S
= 5V
R
L
= 600Ω
C
L
= 47pF
Capacitive Load vs.Frequency
6
3
Normalized Gain(dB)
0
-3
-6
-9
-12
-15
V
IN
+
-
R
G
= 887 Ω
V-
R
F
= 887Ω
C
L
V+
SGM8653
Closed-Loop Gain(dB)
Vo = 0.1V
P-P
G = +1
C
L
= 100pF
C
L
= 47pF
C
L
= 30pF
C
L
= 20pF
R
s
Vo
R
L
=600
Ω
(R
L
is
Optional
)
0.1
1
10
Frequency(MHz)
100
1000
0.1
1
10
100
Frequency(MHz)
1000
Output Impedance vs.Frequency
20
Small Signal Overshoot(%)
16
12
8
4
0
0.1
1
10
100
Frequency(KHz)
1000
10000
G = +100
G = +10
G = +1
30
25
20
15
10
5
0
0
Small Signal Overshoot vs.Load Capacitance
Vo = 0.2V
P-P
G=+1
-overshoot
Output Impedance(
Ω
)
+overshoot
10
20
30
40
50
Capacitance(pF)
60
70
Large Signal Step Response
Vs = 5V
C
L
= 47pF
V
IN
= 2V
G = +1
Small Signal Step Response
Vs = 5V
C
L
= 47pF
V
IN
= 200mV
G = +1
Output Voltage(500mV/div)
Output Voltage(50mV/div)
Time(100µs/div)
Time(400ns/div)
４
SGM8651/2/3/4/5
SGMICRO [ Shengbang Microelectronics Co, Ltd ]
