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| DRV134_06 Datasheet, PDF (4/12 Pages) Burr-Brown (TI) – AUDIO BALANCED LINE DRIVERS | |||
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TYPICAL PERFORMANCE CURVES
At TA = +25°C, VS = ±18V, RL = 600⦠differential connected between +VO and âVO, unless otherwise noted.
0.01
TOTAL HARMONIC DISTORTION+NOISE
vs FREQUENCY
See Figure 3 for Test Circuit
A: R1 = R2 = RL = â (no load)
B: R1 = R2 = 600â¦, RL = â
C: R1 = R2 = â, RL = 600â¦
Differential Mode
VO = 10Vrms
No Cable
A
B
0.001
TOTAL HARMONIC DISTORTION+NOISE
vs FREQUENCY
0.01
See Figure 3 for Test Circuit
Differential Mode
A: R1 = R2 = RL = â (no load)
B: R1 = R2 = 600â¦, RL = â
C: R1 = R2 = â, RL = 600â¦
VO = 10Vrms
500 feet cable
A
B
0.001
C
DRV134 Output
0.0001
20
100
1k
Frequency (Hz)
10k 20k
C
DRV134 Output
0.0001
20
100
1k
10k 20k
Frequency (Hz)
TOTAL HARMONIC DISTORTION+NOISE
vs FREQUENCY
0.1
âVO or +VO Grounded
A: R1 = 600⦠(250 ft cable)
B: R1 = â (no cable)
Single-Ended Mode
VO = 10Vrms
0.01
0.001
A
B
DRV134 Output
0.0001
20
100
1k
Frequency (Hz)
10k 20k
HEADROOMâTOTAL HARMONIC DISTORTION+NOISE
vs OUTPUT AMPLITUDE
1
f = 1kHz
Single-Ended
Differential
Mode
Mode
0.1
0.01
500 ft Cable
RL = 600â¦
500 ft Cable
RL = 600â¦
0.001
DRV134 Output
0.0001
5
10
15
20
Output Amplitude (dBu)
No Cable
RL = â
25
30
0.01
SYSTEM TOTAL HARMONIC DISTORTION+NOISE
vs FREQUENCY
See Figure 3 for Test Circuit
A: R1 = R2 = RL = â (no load)
B: R1 = R2 = â RL = 600â¦
Differential Mode
VO = 10Vrms
0.001
A (no cable)
INA137 Output
0.0001
20
100
B (500ft cable)
1k
Frequency (Hz)
10k 20k
DIM INTERMODULATION DISTORTION
vs OUTPUT AMPLITUDE
1
Differential Mode
0.1
500 ft Cable
RL = 600â¦
0.01
0.001
BW = 30kHz
0.0001
5
10
15
20
Output Amplitude (dBu)
No Cable
RL = â
25
30
®
DRV134, 135
4
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