SGM723_15 Datasheet, PDF (7/19 Pages) SG Micro Corp – CMOS Operational Amplifiers

SGM721/2/3/4
970μA, 10MHz, Rail-to-Rail I/O
CMOS Operational Amplifiers
TYPICAL PERFORMANCE CHARACTERISTICS
At T_A = +25℃, V_CM = Vs/2, R_L = 600Ω, unless otherwise noted.
Small-Signal Overshoot vs. Load Capacitance
70
60
V_S = 2.7V
R_L = 10kΩ
50 T_A = 25℃
40 ^{G = 1}
30
+OS
-OS
20
10
0
1
10
100
1000
Load Capacitance (pF)
Closed-Loop Output Voltage Swing
3
2.5
2
1.5 ^VS ^{= 2.7V}
V_IN = 2.6V_P-P
1 _{TA = 25℃}
0.5
R_L = 2kΩ
G=1
0
10
100
1000
Frequency (kHz)
10000
Large-Signal Step Response
Vs = 2.7V
G = +1
CL = 200pF
R_L = 10kΩ
Time(500ns/div)
Output Impedance vs. Frequency
120
V_S = 2.7V
100
80
60
40
G = 100
G = 10
G= 1
20
0
1
10
100
1000
10000
Frequency (kHz)
Channel Separation vs. Frequency
130
120
110
100
90
V_S = 2.7V
R_L = 620Ω
80 ^{TA = 25℃}
G=1
70
0.1 1
10 100 110k00
Frequency (kHz)
1100k00010100k000
0
Small-Signal Step Response
VS = 2.7V
G = +1
C_L = 100pF
R_L = 10kΩ
Time(200ns/div)
Time (500ns/div)
SG Micro Corp
www.sg-micro.com
Time (200ns/div)
7