THS4532_15 Datasheet, PDF (20/58 Pages) Texas Instruments – THS4532 Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier

THS4532
SLOS829A – FEBRUARY 2013 – REVISED JULY 2015
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Typical Characteristics: V_S = 5 V (continued)
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 = 1V/V, Single-Ended Input, Differential
Output, Input and Output Referenced to mid-supply, T_A = 25°C unless otherwise noted.
10
0
−10
−20
−30
−40
−50
−60
−70
−80
−90
−100
−110
−120
−130
−140
−150
0
5k
10k
15k
20k
24k
−20
−30
−40
−50
−60
−70
−80
−90
−100
−110
−120
−130
−140
1k
Second Harmonic
Third Harmonic
10k
100k
1M
10M
Frequency (Hz)
G032
Frequency (Hz)
G033
V_S = 5 V
G = 1 V/V
R_F = 2 kΩ
V_S = 5 V
G = 1 V/V
R_F = 2 kΩ
R_L = 100 kΩ
V_OUT = 8 V_PP
R_L = 2 kΩ
V_OUT = 2V_PP
Figure 41. 10-kHz FFT On Audio Analyzer
Figure 42. Harmonic Distortion vs Frequency
−30
Second Harmonic
Third Harmonic
−40
−50
−60
−70
−80
1
2
3
V_S = 5 V
R_L = 2 kΩ
4
5
6
V_OUT (V_pp)
G = 1 V/V
f = 1 MHz
7
8
G034
R_F = 2 kΩ
Figure 43. Harmonic Distortion vs Output Voltage at 1 MHz
−40
−45
−50
−55
−60
−65
−70
−75
−80
0
2
V_S = 5 V
V_OUT = 2 V_PP
Second Harmonic
Third Harmonic
4
6
Gain (V/V)
R_F = 2 kΩ
f = 1 MHz
8
10
G035
R_L = 2 kΩ
Figure 44. Harmonic Distortion vs Gain at 1 MHz
0
Second Harmonic
−10
Third Harmonic
−20
−30
−40
−50
−60
−70
−80
0 200 400 600 800 1k 1.2k 1.4k 1.6k 1.8k 2k
Load (W)
G036
V_S = 5 V
G = 1 V/V
R_F = 2 kΩ
V_OUT 2 V_PP
f = 1 MHz
Figure 45. Harmonic Distortion vs Load at 1 MHz
0
Second Harminc
−10
Third Harmonic
−20
−30
−40
−50
−60
−70
−80
−90
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
V_OCM (V)
G037
V_S = 5 V
G = 1 V/V
R_F = 2 kΩ
R_L = 2 kΩ
V_OUT = 2 V_PP
f = 1 MHz
Figure 46. Harmonic Distortion vs V_OCM at 1 MHz
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