TYPICAL PERFORMANCE CHARACTERISTICS
At TA = +25℃,VCM = Vs/2, RL = 600Ω, unless otherwise noted.
Small-Signal Overshoot vs.Load Capacitance
Output Impedance vs.Frequency
70
60
50
40
30
20
10
0
120
100
80
60
40
20
0
Vs=2.7V
RL =10kΩ
TA =25℃
Vs=2.7V
G=1
+OS
-OS
G =100
G =10
G =1
1
10
100
Frequency(kHz)
1000
10000
1
10 100
Load Capacitance(pF)
1000
Large-Signal Step Response
Small-Signal Step Response
Vs = 2.7V
Vs = 2.7V
G = +1
CL = 100pF
RL = 10KΩ
G = +1
CL = 200pF
RL = 10KΩ
Time(500ns/div)
Time(200ns/div)
Channel Separation vs.Frequency
Closed-Loop Output Voltage Swing
3
130
2.5
2
120
110
100
90
1.5
1
Vs=2.7V
IN =2.6VP-P
Vs=2.7V
RL =620Ω
TA =25℃
G=1
V
TA =25℃
RL =2KΩ
G=1
0.5
0
80
70
10
100
1000
10000
0.1
1
10
100
1000 10000 100000
Frequency(kHz)
Frequency(kHz)
７
SGM721/2/3/4
SGMICRO [ Shengbang Microelectronics Co, Ltd ]
