DRV612 Datasheet, PDF (7/23 Pages) Texas Instruments – 2-Vrms DirectPath™ Line Driver With Programmable-Fixed Gain

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DRV612
SLOS690B – DECEMBER 2010 – REVISED APRIL 2011
TYPICAL CHARACTERISTICS, LINE DRIVER
V_DD = 3.3 V, T_A = 25°C, R_L = 2.5 kΩ, C_PUMP = C_(VSS) = 1 µF, Gain = -2V/V (unless otherwise noted)
THD+N vs OUTPUT VOLTAGE
3.3 V, 10 kΩ, 1 kHz
THD+N vs OUTPUT VOLTAGE
3.3 V, 600 Ω load, 1 kHz
10
10
5
5
1
1
0.5
0.5
0.1
0.1
0.01
0.005
0.001
40m
100m 200m 500m 1
2
4
V_O - Output Voltage - Vrms
Figure 1.
THD+N vs FREQUENCY
3.3 V, 10 kΩ load, 2 Vrms
10
5
1
0.5
0.1
0.01
0.005
0.001
20 50 100 200 500 1k 2k 5k
20k
V_O - Output Voltage - Vrms
Blue: 10-µF ceramic ac-coupling capacitor.
Red: 10-µF electrolytic ac-coupling capacitor
Figure 3.
0.01
0.005
0.001
40m
100m 200m 500m 1
2
4
V_O - Output Voltage - Vrms
Figure 2.
CHANNEL SEPARATION
3.3 V, 5 kΩ load, 2 Vrms, Blue L to R, Red R to L
+0
3.3 V, 5 kW, 2Vrms
-10
-20
-30
-40
-50
-60
-70
-80
Left to Right
-90
-100
20
Right to Left
50 100 200 500 1k 2k
f - Frequency - Hz
5k 10k 20k
Figure 4.
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