LTC1052 datasheet(17/26 Pages) LINER

17 / 26 page

LTC6261/LTC6262/LTC6263

626123fa

For more information www.linear.com/LTC6261

typicAl ApplicAtions

The circuit consists of first an inverting gain stage with

closed loop gain = 3, and a subsequent inverting stage.

The combination of inverting stages produces a single-

ended input to differential output gain of 6. With 1VP-P

single-ended input, the output is 6VP-P differential, or 3V

max (2.1V RMS). With 100Ω, 1V leads to 45mW delivered

power.

INPUT = 500mVP-P

FREQUENCY (kHz)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

626123 TA12

100

300

NO LOAD

LTC6262 Bridge Driver THD

and Noise with Different Loads

vs Frequency

LTC6262 Bridge Driver THD

and Noise with Different Loads

vs Amplitude at 1kHz

INPUT AT 1 kHz

No Load

300

100

AUDIO INPUT AMPLITUDE (V)

0.001

0.01

0.1

1 2

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

626123 TA12a

Despite the low quiescent current, this driver delivers low

distortion to a headphone load. At high enough amplitude,

distortion increases dramatically as the op amp output

clips. Clipping occurs sooner with more loading as the

output transistors start to run out of current gain.

LTC1052 데이터시트(PDF) 17 Page - Linear Technology

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