OPA2836-Q1 Datasheet, PDF (10/44 Pages) Texas Instruments – Very-Low Power, Rail-to-Rail Out, Negative-Rail In, Voltage-Feedback Operational Amplifier

OPA2836-Q1
SBOS794 – DECEMBER 2016
www.ti.com
test conditions unless otherwise noted: V_S+ = 2.7 V, V_S– = 0 V, V_OUT = 1 V_PP, R_F = 0 Ω, R_L = 2 kΩ, G = 1 V/V,
input and output referenced to mid-supply, V_{IN_CM} = mid-supply – 0.5 V; T_A = 25°C (unless otherwise noted)
21
G = 10
18
15
12 ^{G = 5}
9
6
G=2
3
0
-3
-6
-9
100k
1M
V_S = 2.7 V,
V_OUT = 100 mVpp,
R_L = 1 kW
G = -1
G=1
10M
100M
1G
f - Frequency - Hz
21
G = 10
18
15
G=5
12
9
6
G=2
3
0
-3
-6
-9
100k
V_S = 2.7 V,
V_OUT = 1 Vpp,
R_L = 1 kW
G=1
G = -1
1M
10M
100M
1G
f - Frequency - Hz
Figure 1. Small-Signal Frequency Response
2.5
V_S = 2.7 V,
G = 1,
R_F = 0 W
2 R_L = 1 kW
V_OUT = 1.5 Vpp
1.5
1
V_OUT = 0.5 Vpp
0.5
0
0
500
t - Time - ns
1000
Figure 2. Large-Signal Frequency Response
3
V_S = 2.7 V,
G = -1,
2.5 ^{RF = 1 kW}
R_L = 1 kW
2
V_OUT = 2 Vpp
1.5
V_OUT = 0.5 Vpp
1
0.5
0
0
500
1000
t - Time - ns
Figure 3. Noninverting Pulse Response
300
V_S = 2.7 V,
G = 2,
250 ^RF ^{= 1 kW}
R_L = 1 kW
200
150
Falling
Rising
100
50
0
0.5
0.6
0.7
0.8
0.9
1
Output Voltage Step -V
Figure 4. Inverting Pulse Response
0.75
V_S = 2.7 V,
G = 5,
V_IN
R_F = 1 kW,
0.5 ^{RL = 1 kW}
V_OUT
0.25
0
-0.25
0
500
1000
1500
t - Time - ns
3.75
3.25
2.75
2.25
1.75
1.25
0.75
0.25
-0.25
-0.75
-1.25
2000
Figure 5. Slew Rate vs Output Voltage Step
Figure 6. Output Overdrive Recovery
10
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