DRV604 Datasheet, PDF (7/21 Pages) Texas Instruments – DirectPath™ 2Vrms Line Driver and HP Amp With Adjustable Gain

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DRV604
SLOS659 – JANUARY 2010
TYPICAL CHARACTERISTICS, LINE DRIVER
THD+N vs OUTPUT VOLTAGE
THD+N vs OUTPUT VOLTAGE, LINEAR SCALE
10
V_I = 3.3 V,
Load = 5 kW to 100 kW,
Output in Phase = 1 kHz
1
10
V_I = 3.3 V,
Load = 5 kW,
Linear Scale = 1 kHz,
1 Outputs in Phase = 1 kHz
0.1
0.1
0.01
0.01
0.001
0.0001
40m
100m
200m
500m
1
V_O - Output Voltage - V
Figure 1.
THD+N vs FREQUENCY
10
V_I = 3.3 V,
Load = 5 kW,
2 Vrms
1
2
4
0.1
0.01
0.001
0.0001
20
50 100 200
500 1k 2k
5k
20k
f - Frequency - Hz
Figure 3.
HP TO LD CROSSTALK
0
V_I = 3.3 V,
Line Load = 5 kW,
32 W HP Load, 40 mW
-20
-40
-60
HP to line left HP to line right
-80
-100
20
50 100 200 500 1k 2k
5k
20k
f - Frequency - Hz
Figure 5.
0.001
0.0001
1
1.5
2
2.5
3
V_O - Output Voltage - V
Figure 2.
CHANNEL SEPARATION
0
V_I = 3.3 V,
Load = 5 kW,
-20 _{2 Vrms}
-40
-60
-80
-100
R to L
L to R
-120
20
50 100 200
500 1k 2k
5k
20k
f - Frequency - Hz
Figure 4.
AC PSRR, Ksvr
0
200 mV Vpp supply ripple = 70 mV Vrms
-20
V_I = 3.3 V,
-40 ^{200 mV Vpp Ripple on PSU,}
Line Load = 5 kW, 32 W HP Load
-60
Amplifier output - relative to 70 mV
-80
-100
20
50 100 200 500 1k 2k
5k
20k
f - Frequency - Hz
Figure 6.
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