LT1115 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1115' PDF : 16 Pages View PDF
TYPICAL APPLICATIO S
LT1115
INPUT
R1
1k, 0.1%
RP
30k
1%
R2
1k, 0.1%
R3
316k, 0.1%
18V
+
2– 7
LT1115
3+
4
–18V
1µF 35V
LOW ESR
6
1µF 35V
LOW ESR
R4
316k, 0.1%
4.7µF
FILM
100
1%
OUT
10k
1%
NOTE: MATCH RESISTOR PAIRS
R1
R2
=
R3
R4
TO ± 0.1%
LT1115 • TA03
Figure 1. Balanced Transformerless Microphone Preamp
THD + Noise vs Frequency
(Figure 1)
1
TA = 25°C
RL = 100kΩ
VIN = 10mVRMS
VOUT = 2.92VRMS
RS = 150Ω
0.1
0.010
20
100
1k
FREQUENCY (Hz)
20k
LT1115 • TA04
1115fa
9
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