LT1115 Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LT1115

Ultralow Noise, Low Distortion, Audio Op Amp

Linear Technology 

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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