OPA2835 Datasheet, PDF (12/53 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 = 2.7 V
21
G = 10
18
15
G=5
12
V_S = 2.7 V,
V_OUT = 100 mVpp,
R_L = 2 kW
21
G = 10
18
15
G=5
12
V_S = 2.7 V,
V_OUT = 1 Vpp,
R_L = 2 kW
9
9
6
G=2
3
6 _G=2
3
G=1
0
0
-3
-6
-9
100k
G=1
G = -1
1M
10M
f - Frequency - Hz
100M
Figure 1. Small Signal Frequency Response
-3
-6
-9
100k
G = -1
1M
10M
f - Frequency - Hz
100M
Figure 2. Large Signal Frequency Response
2.5
V_S = 2.7 V,
G = 1,
R_F = 0 W
2 _{RL = 2 kW}
1.5
V_OUT = 1.5 Vpp
1
3
V_S = 2.7 V,
G = -1,
2.5 ^RF ^{= 2 kW}
R_L = 2 kW
2
1.5
1
V_OUT = 2 Vpp
V_OUT = 0.5 Vpp
0.5
V_OUT = 0.5 Vpp
0
0
500
1000
t - Time - ns
Figure 3. Noninverting Pulse Response
0.5
0
0
500
1000
t - Time - ns
Figure 4. Inverting Pulse Response
140
V_S = 2.7 V,
G = 2,
120 _{RF = 2 kW}
R_L = 2 kW
100
80
60
Falling
Rising
40
20
0
0.5
0.6
0.7
0.8
0.9
1
Output Voltage Step - V
Figure 5. Slew Rate vs Output Voltage Step
0.75
V_S = 2.7 V,
V_IN
G = 5,
R_F = 2 kW,
0.5 ^RL ^{= 2 kW}
V_OUT
3.75
3.25
2.75
2.25
1.75
0.25
1.25
0.75
0.25
0
-0.25
-0.25
0
-0.75
500
1000
1500
t - Time - ns
Figure 6. Output Overdrive Recovery
-1.25
2000
12
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