THS4531A_16 Datasheet, PDF (18/59 Pages) Texas Instruments – Ultra Low-Power, Rail-to-Rail Output, Fully Differential Amplifier

THS4531A
SLOS823C – DECEMBER 2012 – REVISED JANUARY 2016
www.ti.com
7.7.2 Typical Characteristics: V_S = 5 V
Test conditions unless otherwise noted: V_S+ = 5 V, V_S– = 0 V, V_OCM = open, V_OUT = 2 Vpp, R_F = 2 kΩ, R_L = 2 kΩ
Differential, G = 1 V/V, Single-Ended Input, Differential Output, Input and Output Referenced to mid-supply, T_A =
25°C, unless otherwise noted.
21
18
15
12
9
6
3
0
−3
−6 _{VS = 5 V}
−9 _{G = 1 V/V}
−12 _{RF = 2 kΩ}
−15 R_L = 2 kΩ
−18 VOUT = 100 mVpp
−21
100k
1M
10M
Frequency (Hz)
G = 1 V/V
G = 2 V/V
G = 5 V/V
G = 10 V/V
100M
G027
21
18
15
12
9
6
3
0
−3
−6 _{VS = 5 V}
−9 _{G = 1 V/V}
−12 _{RF = 2 kΩ}
−15 R_L = 2 kΩ
−18 VOUT = 2 Vpp
−21
100k
1M
10M
Frequency (Hz)
G = 1 V/V
G = 2 V/V
G = 5 V/V
G = 10 V/V
100M
G028
Figure 34. Small-Signal Frequency Response
1.5
V_S = 5 V
1
G = 1 V/V
R_F = 2 kΩ
R_L = 2 kΩ
0.5
0.5-V Step
2-V Step
0
−0.5
−1
−1.5
0
20
40
60
80
100
Time (ns)
G029
Figure 35. Large-Signal Frequency Response
600
V_S = 5 V
500
G = 2 V/V
R_F = 2 kΩ
R_L = 200 Ω
400
300
200
100
0
0
Rising
Falling
1
2
3
4
5
Differential V_OUT (V)
G030
Figure 36. Large- and Small-signal Pulse Response
250
V_S = 5 V
G = 2 V/V
200 RF = 2 kΩ
R_L = 200 Ω
150
100
50
Rising
Falling
0
0
1
2
3
4
5
6
7
8
Differential V_OUT (V)
G054
Figure 38. Differential Slew Rate vs V_OUT Step
Figure 37. Single-Ended Slew Rate vs V_OUT Step
3
6
V_IN
2
V_{OUT 4}
1
2
0
0
−1
−2
V_S = 5 V
−2
G = 2 V/V
R_F = 2 kΩ
−4
R_L = 200 Ω
−3
−6
0 100 200 300 400 500 600 700 800 900 1000
Time (ns)
G031
Figure 39. Overdrive Recovery
18
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