Datasheet

LT1469
14
1469fb
TYPICAL APPLICATIONS
Ultralow Distortion Balanced Audio Line Driver
+
–
1/2 LT1364
10k
2.1k
22pF
33.2Ω
+
–
1/2 LT1469
10k
1k
22pF
+
–
1/2 LT1469
20k
22.1k
22pF
820pF
50 FEET SHIELDED
TWISTED PAIR CABLE
PARALLEL COMPOSITE TOPOLOGY:
LT1364 PROVIDES OUTPUT CURRENT;
LT1469 PRESERVES LINEARITY
THD + N
MEASURED HERE
820pF
+
–
1/2 LT1364
20k
24.3k
22pF
INPUT
Z
IN
= 10kΩ
V
S
= ±15V
GAIN = 6dB
1469 TA02
33.2Ω
30.1Ω
30.1Ω
600Ω
TOTAL HARMONIC DISTORTION + NOISE V
OUT
FREQUENCY MEASUREMENT BANDWIDTH
0.00025% 10V
RMS
1kHz 22kHz
0.0008% 10V
RMS
20Hz TO 20kHz 80kHz
0.0006% 26dBu 1kHz 22kHz
*1dBu = 1 milliwatt into 600Ω