THS4531
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SLOS358B –SEPTEMBER 2011–REVISED MARCH 2012
TYPICAL CHARACTERISTICS: VS = 2.7V (continued)
Test conditions unless otherwise noted: VS+ = 2.7 V, VS– = 0V, CM = open, VOUT = 2Vpp, RF = 2kΩ, RL = 2kΩ Differential, G =
1V/V, Single-Ended Input, Differential Output, Input and Output Referenced to mid-supply unless otherwise noted.
HARMONIC DISTORTION
HARMONIC DISTORTION
vs
vs
LOAD at 1 MHz
VOCM at 1 MHz
0
−10
−20
−30
−40
−50
−60
−70
−80
0
−10
−20
−30
−40
−50
−60
−70
−80
−90
VS = 2.7 V
VS = 2.7 V
Second Harmonic
Third Harmonic
Second Harmonic
Third Harmonic
G = 1 V/V
RF = 2 kΩ
VOUT = 2 Vpp
G = 1 V/V
RF = 2 kΩ
RL = 2 kΩ
VOUT = 2 Vpp
f = 1 MHz
f = 1 MHz
0
200 400 600 800 1k 1.2k 1.4k 1.6k 1.8k 2k
0.5
1
1.5
2
Load (Ω)
VOCM (V)
G010
G011
Figure 12.
Figure 13.
SINGLE-ENDED OUTPUT VOLTAGE SWING
TWO-TONE, 2nd and 3rdORDER INTERMODULATION
DISTORTION vs FREQUENCY
vs
LOAD RESISTANCE
−10
VS = 2.7 V
2.5
2
−20
−30
−40
−50
−60
−70
−80
−90
G = 1 V/V
RF = 2 kΩ
RL = 2 kΩ
VOUT = 2 Vpp Envelope
VOUT MAX
VOUT MIN
1.5
1
VS = 2.7 V
G = 2 V/V
RF = 2 kΩ
0.5
0
Second Intermodulation
Third Intermodulation
1
10
50
100
1k
10k
Frequency (MHz)
Load Resistance (Ω)
G012
G013
Figure 14.
Figure 15.
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