component
MC34119G-SO8-R
Public Made by Adomby adom
UTC Unisonic Tech Audio Amplifiers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMC34119G-SO8-R
UTC Unisonic Tech · Audio Amplifiers · SOIC-8
MC34119G-SO8-R from UTC Unisonic Tech, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Mute | input | Logic LOW (below 0.8V) enables normal operation, logic HIGH (2V to VCC) disables the IC, and an open pin is equivalent to LOW. |
| 2 | Ripple Rejection | passive | A capacitor at this pin increases power supply rejection and affects turn-on time, and the pin may be left open if the capacitor at pin 3 is sufficient. |
| 3 | Input(+) | input | Analog ground for the amplifiers; a 1μF capacitor here with a 5μF capacitor at pin 2 gives 52dB (typ) power supply rejection and affects turn-on time, and the pin can be used as an alternative input. |
| 4 | Input(-) | input | Amplifier input that sets low-frequency roll-off and input impedance through the input capacitor and resistor, with the feedback resistor connected between this pin and output 1. |
| 5 | Output 1 | output | Amplifier output 1 with a DC level of about (VCC-0.7V)/2. |
| 6 | VCC | power_in | DC supply voltage input, specified at VCC = 2V to 16V. |
| 7 | GND | power_in | Ground pin. |
| 8 | Output 2 | output | Amplifier output 2, equal in amplitude but 180° out of phase with output 1, with a DC level of about (VCC-0.7V)/2. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | UTC Unisonic Tech |
| Package | SOIC-8 |
| Category | Amplifiers/Comparators |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Output Offset Voltage | VO(OFF) | -30 | 0 | 30 | mV | VCC=6V, RF=75KΩ,RL=32Ω | 4 |
| Open Loop Gain of Amp. 2 | GV2 | -0.35 | 0 | 0.35 | dB | f=1KHz, RL=32Ω | 4 |
| Equivalent Resistance (Pin 3) | REQ | 100 | 150 | 220 | KΩ | Pin 3 | 4 |
| Equivalent Resistance (Pin 2) | REQ | 18 | 25 | 40 | KΩ | Pin 2 | 4 |
| Output Voltage | VOUT | 1 | 1.15 | 1.25 | V | RL=16Ω, R1=75KΩ, VCC=3V | 4 |
| Operating Current | ICC | 2.7 | 4 | mA | VCC=3V, Mute=0.8V | 4 | |
| Operating Current | ICC | 3.3 | 5 | mA | VCC=16V, Mute=0.8V | 4 | |
| Operating Current (muted) | ICC | 65 | 100 | μA | VCC=3V, Mute=2V | 4 | |
| Total Harmonic Distortion | THD | 0.5 | 1 | % | f=1KHz, VCC=6V, RL=32Ω, POUT=125mW | 4 | |
| Supply Voltage | VCC | 2 | 16 | V | 4 | ||
| Load Impedance | ZL | 8 | 100 | Ω | 4 | ||
| Peak Load Current | IL(PEAK) | -200 | 200 | mA | 4 | ||
| Differential Gain | GV | 0 | 46 | dB | 5KHz Bandwidth | 4 | |
| Ambient Temperature | TA | -20 | 70 | C | 4 | ||
| Supply Voltage | VCC | -1 | 18 | V | 4 | ||
| Output Current | IOUT | -250 | 250 | mA | 4 | ||
| Maximum Input, Ripple Rejection, Mute Pin Voltage | VIN | -1 | 1 | V | 4 | ||
| Applied Output Voltage (Output Pin When Disabled) | VOUT | -1 | 1 | V | 4 | ||
| Junction Temperature | TJ | 125 | C | 4 | |||
| Operating Temperature | TOPR | -20 | 85 | C | 4 | ||
| Storage Temperature | TSTG | -40 | 150 | C | 4 |
CAD (KiCad official)
- Symbol:
MC34119G-SO8-R - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
mc34119g-so8-r-etched.step/mc34119g-so8-r-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mc34119g-so8-r.step/mc34119g-so8-r.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UTC Unisonic Tech datasheet (8 pp, sha256
bb1b778037bcb923, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).