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LB1412 - Level Meter Driver for 12 LEDs

Description

of constants of each block 2-1 R3, R4 (R11, R12) The gain of amp 1 depends on R3, R4.

Gain of amp 1 = R3/R4 times.

The gain of amp 1 must not exceed 4 times (12 dB).

Features

  • Package Dimensions unit : mm . Bar-shaped display of input level by means of 12 LEDs . High-order 5 dots with peak hold . Built-in oscillator for peak hold reset. Requires 1 pce. each . . . . . of external C, R. Uses either oscillator at the time of stereo operation. Capable of also resetting manually. Capable of constant-current driving low-order 7 dots (green LED). Constant-current value variable with an external resistor Lower current drain available by connecting green LEDs in series Built.

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Ordering number: EN1218C Monolithic Digital IC LB1412 Level Meter Driver for 12 LEDs Functions and Features Package Dimensions unit : mm . Bar-shaped display of input level by means of 12 LEDs . High-order 5 dots with peak hold . Built-in oscillator for peak hold reset. Requires 1 pce. each . . . . . of external C, R. Uses either oscillator at the time of stereo operation. Capable of also resetting manually. Capable of constant-current driving low-order 7 dots (green LED). Constant-current value variable with an external resistor Lower current drain available by connecting green LEDs in series Built-in input amplifier Requires no other light-up level adjustment than adjustment for 0 dB.
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