THS4531_14 Datasheet, PDF (20/56 Pages) Texas Instruments – Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier

THS4531
SLOS358B – SEPTEMBER 2011 – REVISED MARCH 2012
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TYPICAL CHARACTERISTICS: V_S = 5V (continued)
Test conditions unless otherwise noted: V_S+ = 5 V, V_S– = 0V, V_OCM = open, V_OUT = 2Vpp, R_F = 2kΩ, R_L = 2kΩ Differential, G =
1V/V, Single-Ended Input, Differential Output, Input and Output Referenced to mid-supply, T_A = 25°Cunless otherwise noted.
10-kHz FFT ON AUDIO ANALYZER
HARMONIC DISTORTION
vs
FREQUENCY
10
0 V_S = 5 V
−10 _{G = 1 V/V}
−20 R_F = 2 kΩ
−30 _{RL = 100 kΩ}
−40 _{VOUT = 8 Vpp}
−50
−60
−70
−80
−90
−100
−110
−120
−130
−140
−150
0
5k
10k
15k
Frequency (Hz)
Figure 41.
20k
24k
G032
−20
−30 ^{VS = 5 V}
−40
G = 1 V/V
R_F = 2 kΩ
−50 _{RL = 2 kΩ}
−60 ^VOUT ^{= 2 V}pp
−70
−80
−90
−100
−110
−120
−130
−140
1k
10k
Second Harmonic
Third Harmonic
100k
1M
Frequency (Hz)
Figure 42.
10M
G033
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE at 1 MHz
−30
V_S = 5 V
G = 1 V/V
−40 RF = 2 kΩ
R_L = 2 kΩ
f = 1 MHz
−50
Second Harmonic
Third Harmonic
−60
−70
−80
1
2
3
4
5
6
7
8
V_OUT (V_pp)
G034
Figure 43.
HARMONIC DISTORTION
vs
GAIN at 1 MHz
−40
V_S = 5 V
−45 R_F = 2 kΩ
R_L = 2 kΩ
−50 V_OUT = 2 V_pp
f = 1 MHz
−55
−60
−65
−70
−75
−80
0
Second Harmonic
Third Harmonic
2
4
6
Gain (V/V)
Figure 44.
8
10
G035
20
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