OPA2835 Datasheet, PDF (18/53 Pages) National Semiconductor (TI) – Ultra Low-Power, Rail-to-Rail Out, Negative Rail In, VFB Op Amp

OPA835
OPA2835
SLOS713E – JANUARY 2011 – REVISED JULY 2013
www.ti.com
TYPICAL PERFORMANCE GRAPHS: V_S = 5 V
21
G = 10
18
15
G=5
12
V_S = 5 V,
V_OUT = 100 mVpp,
R_L = 2 kW
21
G = 10
18
15
G=5
12
V_S = 5 V,
V_OUT = 2 Vpp,
R_L = 2 kW
9
9
6
G=2
3
0
G=1
6
G=2
3
0
G = -1
-3
-6
-9
100k
G = -1
1M
10M
100M
f - Frequency - Hz
Figure 27. Small Signal Frequency Response
-3
-6
-9
100k
G=1
1M
10M
f - Frequency - Hz
100M
Figure 28. Large Signal Frequency Response
5
4.5
4
V_OUT = 4 Vpp
3.5
3
2.5
2
V_S = 5 V,
G = 1,
R_F = 0 W
R_L = 2 kW
1.5
1
0.5
V_OUT = 0.5 Vpp
0
0
500
1000
t - Time - ns
Figure 29. Noninverting Pulse Response
5
V_S = 5 V,
4.5 _{G = -1,}
R_F = 2 kW
4 _{RL = 2 kW}
3.5
V_OUT = 4 Vpp
3
2.5
V_OUT = 0.5 Vpp
2
1.5
1
0.5
0
0
500
1000
t - Time - ns
Figure 30. Inverting Pulse Response
300
V_S = 5 V,
G = 2,
250 R_F = 2 kW
R_L = 2 kW
200
Falling
150
Rising
100
50
0
0
1
2
3
4
Output Voltage Step - V
Figure 31. Slew Rate vs Output Voltage Step
1.25
1
V_S = 5 V,
G = 5,
R_F = 2 kW,
R_L = 2 kW
0.75
0.5
0.25
0
-0.25
0
V_IN
V_OUT
6.25
5.75
5.25
4.75
4.25
3.75
3.25
2.75
2.25
1.75
1.25
0.75
0.25
-0.25
-0.75
-1.25
500
1000
1500
2000
t - Time - ns
Figure 32. Output Overdrive Recovery
18
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