THS4532_15 Datasheet, PDF (13/58 Pages) Texas Instruments – THS4532 Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier

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THS4532
SLOS829A – FEBRUARY 2013 – REVISED JULY 2015
7.7.1 Typical Characteristics: V_S = 2.7 V
V_S+ = 2.7 V, V_S– = 0 V, CM = open, V_OUT = 2 Vpp, R_F = 2 kΩ, R_L = 2 kΩ Differential, G = 1V/V, Single-Ended Input,
Differential Output, Input and Output Referenced to mid-supply unless otherwise noted.
21
18
15
12
9
6
3
0
−3
−6
−9
−12
−15
−18
−21
100k
G = 1 V/V
G = 2 V/V
G = 5 V/V
G = 10 V/V
1M
10M
Frequency (Hz)
V_S = 2.7 V
R_L = 2 kΩ
G = 1 V/V
V_OUT = 100 mV_PP
100M
G001
R_F = 2 kΩ
Figure 1. Small-Signal Frequency Response
1.5
0.5-V Step
1
2-V Step
0.5
0
−0.5
−1
−1.5
0
20
V_S = 2.7 V
R_L = 2 kΩ
40
60
80
100
Time (ns)
G003
G = 1 V/V
R_F = 2 kΩ
Figure 3. Large- and Small-Signal Pulse Response
250
200
150
100
50
0
0
1
V_S = 2.7 V
R_L = 200 Ω
2
3
4
Differential V_OUT (V)
G = 2 V/V
Rising
Falling
5
6
G053
R_F = 2 kΩ
Figure 5. Differential Slew Rate vs V_OUT Step
21
18
15
12
9
6
3
0
−3
−6
−9
−12
−15
−18
−21
100k
G = 1 V/V
G = 2 V/V
G = 5 V/V
G = 10 V/V
1M
10M
Frequency (Hz)
V_S = 2.7 V
R_L = 2 kΩ
G = 1 V/V
V_OUT = 20 V_PP
100M
G002
R_F = 2 kΩ
Figure 2. Large-Signal Frequency Response
400
350
300
250
200
150
100
50
0
0
0.5
V_S = 2.7 V
R_L = 200 Ω
1
1.5
Differential V_OUT (V)
G = 2 V/V
Rising
Falling
2
2.5
G004
R_F = 2 kΩ
Figure 4. Single-Ended Slew Rate vs V_OUT Step
2
4
V_IN
1.5
V_OUT 3
1
2
0.5
1
0
0
−0.5
−1
−1
−2
−1.5
−3
−2
−4
0 100 200 300 400 500 600 700 800 900 1000
Time (ns)
G005
V_S = 2.7 V
G = 2 V/V
R_F = 2 kΩ
R_L = 2 kΩ
Figure 6. Overdrive Recovery
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