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LB1412M - Level Meter for 12 LEDs

General Description

of constants of each block 2-1 R3, R4 (R11, R12) The gain of amp1 depends on R3, R4.

Gain of amp 1 = R3/R4 times.

The gain of amp1 must not exceed 4 times (12 dB).

Key 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 1pce each of . . . . . external C, R. Uses either oscillator at the time of stereo operation. Also capable of 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. Bui.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Ordering number: EN1593B Monolithic Digital IC LB1412M Level Meter 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 1pce each of . . . . . external C, R. Uses either oscillator at the time of stereo operation. Also capable of 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.