
Rcbus opl3
electrified/rcbus-opl3
An OPL3 sound card for RC2014/RCBus based computers, based on the Yamaha YMF262 and YAC512 ICs.

STMicroelectronics
0℃~+70℃ 1.4mA 13V/us 15nV/√Hz@1kHz 20pA 3MHz 3mV 40mA 5pA 5uV/℃ 6V~36V 86dB Four channels Short-Circuit Protection、Built-in compensation、Latch-up suppression SOIC-14 FET Input Amplifiers ROHS
The TL074CDT is a FET Input Amplifier made by STMicroelectronics in a SOIC-14 package with 14 pins. 0℃~+70℃ 1.4mA 13V/us 15nV/√Hz@1kHz 20pA 3MHz 3mV 40mA 5pA 5uV/℃ 6V~36V 86dB Four channels Short-Circuit Protection、Built-in compensation、Latch-up suppression SOIC-14 FET Input Amplifiers ROHS.
PCBKit's library has its KiCad symbol (Amplifier_Operational:TL074, from KiCad's library) and its footprint (Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, from KiCad's library), ready for a KiCad board. 91,194 are in stock at JLCPCB (part C6963). 4 open-source boards in 4 repositories on GitHub use it.
| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Supply voltage VCC | TL074C; relative to the midpoint between VCC+ and VCC- | min -18 · max 18 V | 4 |
| Input voltage Vi | TL074C; magnitude must not exceed supply magnitude or 15 V, whichever is less | min -15 · max 15 V | 4 |
| Differential input voltage Vid | TL074C | min -30 · max 30 V | 4 |
| Power dissipation Ptot | TL074C | max 680 mW | 4 |
| Thermal resistance junction to ambient Rthja | SO14; typical value per footnote 5 | typ 105 °C/W | 4 |
| Thermal resistance junction to case Rthjc | SO14; typical value per footnote 5 | typ 31 °C/W | 4 |
| Operating free-air temperature range Toper | TL074C | min 0 · max 70 °C | 4 |
| Storage temperature range Tstg | TL074C | min -65 · max 150 °C | 4 |
| HBM: human body model ESD | TL074C | max 1 kV | 4 |
| MM: machine model ESD | TL074C | max 200 V | 4 |
| CDM: charged device model ESD | TL074C | max 1.5 kV | 4 |
| Supply voltage VCC | TL074C; total supply span | min 6 · max 36 V | 4 |
| Operating free-air temperature range Toper | TL074C | min 0 · max 70 °C | 4 |
| Input offset voltage Vio | TL074C; Rs = 50Ω; Tamb = +25°C | typ 3 · max 10 mV | 5 |
| Input offset voltage Vio | TL074C; Rs = 50Ω; Tmin ≤ Tamb ≤ Tmax | max 13 mV | 5 |
| Input offset voltage drift DVio | TL074C | typ 10 uV/°C | 5 |
| Input offset current Iio | TL074C; Tamb = +25°C | typ 5 · max 100 pA | 5 |
| Input offset current Iio | TL074C; Tmin ≤ Tamb ≤ Tmax | max 10 nA | 5 |
| Input bias current Iib | TL074C; Tamb = +25°C | typ 30 · max 200 pA | 5 |
| Input bias current Iib | TL074C; Tmin ≤ Tamb ≤ Tmax | max 20 nA | 5 |
| Large signal voltage gain Avd | TL074C; RL= 2kΩ, Vo=±10V; Tamb = +25°C | min 25 · typ 200 V/mV | 5 |
| Large signal voltage gain Avd | TL074C; RL= 2kΩ, Vo=±10V; Tmin ≤ Tamb ≤ Tmax | min 15 V/mV | 5 |
| Supply voltage rejection ratio SVR | TL074C; RS = 50Ω; Tamb = +25°C | min 70 · typ 86 dB | 5 |
| Supply voltage rejection ratio SVR | TL074C; RS = 50Ω; Tmin ≤ Tamb ≤ Tmax | min 70 dB | 5 |
| Supply current, no load ICC | TL074C; Tamb = +25°C; per amplifier | typ 1.4 · max 2.5 mA | 5 |
| Supply current, no load ICC | TL074C; Tmin ≤ Tamb ≤ Tmax; per amplifier | max 2.5 mA | 5 |
| Input common mode voltage range Vicm | TL074C; guaranteed symmetric range and typical upper endpoint | min 11 · typ 15 V | 5 |
| Input common mode voltage range Vicm | TL074C; typical lower endpoint | typ -12 V | 5 |
| Common mode rejection ratio CMR | TL074C; RS = 50Ω; Tamb = +25°C | min 70 · typ 86 dB | 5 |
| Common mode rejection ratio CMR | TL074C; RS = 50Ω; Tmin ≤ Tamb ≤ Tmax | min 70 dB | 5 |
| Output short-circuit current Ios | TL074C; Tamb = +25°C | min 10 · typ 40 · max 60 mA | 5 |
| Output short-circuit current Ios | TL074C; Tmin ≤ Tamb ≤ Tmax | min 10 · max 60 mA | 5 |
| Output voltage swing ±Vopp | TL074C; Tamb = +25°C; RL = 2kΩ; magnitude | min 10 · typ 12 V | 5 |
| Output voltage swing ±Vopp | TL074C; Tamb = +25°C; RL = 10kΩ; magnitude | min 12 · typ 13.5 V | 5 |
| Output voltage swing ±Vopp | TL074C; Tmin ≤ Tamb ≤ Tmax; RL = 2kΩ; magnitude | min 10 V | 5 |
| Output voltage swing ±Vopp | TL074C; Tmin ≤ Tamb ≤ Tmax; RL = 10kΩ; magnitude | min 12 V | 5 |
| Slew rate SR | TL074C; Vin = 10V, RL = 2kΩ, CL = 100pF, unity gain | min 8 · typ 13 V/us | 5 |
| Rise time tr | TL074C; Vin = 20mV, RL = 2kΩ, CL = 100pF, unity gain | typ 0.1 us | 6 |
| Overshoot Kov | TL074C; Vin = 20mV, RL = 2kΩ, CL = 100pF, unity gain | typ 10 % | 6 |
| Gain bandwidth product GBP | TL074C; Vin= 10mV, RL= 2kΩ, CL = 100pF, = 100kHz | min 2 · typ 3 MHz | 6 |
| Total harmonic distortion THD | TL074C; f= 1kHz, RL = 2kΩ, CL = 100pF, Av = 20dB, Vo = 2Vpp | typ 0.01 % | 6 |
| Equivalent input noise voltage en | TL074C; RS = 100Ω, f = 1kHz; unit formatting is flattened in the supplied table | typ 15 nV/√Hz | 6 |
| Phase margin ∅m | TL074C | typ 45 degrees | 6 |
| Channel separation Vo1/Vo2 | TL074C; Av = 100 | typ 120 dB | 6 |
| Pin | Name | Type |
|---|---|---|
| 1 | — | Output |
| 2 | - | Input |
| 3 | + | Input |
| 4 | V+ | Power in |
| 5 | + | Input |
| 6 | - | Input |
| 7 | — | Output |
| 8 | — | Output |
| 9 | - | Input |
| 10 | + | Input |
| 11 | V- | Power in |
| 12 | + | Input |
| 13 | - | Input |
| 14 | — | Output |

electrified/rcbus-opl3
An OPL3 sound card for RC2014/RCBus based computers, based on the Yamaha YMF262 and YAC512 ICs.



<iframe src="https://pcbkit.io/embed/parts/st/TL074CDT" title="TL074CDT in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/TL074CDT.jpg" alt="TL074CDT" width="1200" height="900">[](https://pcbkit.io/parts/st/TL074CDT)Yes. The symbol is Amplifier_Operational:TL074 and the footprint Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOIC-14, with 14 pins. Its footprint is drawn on this page.
STMicroelectronics publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C6963, with 91,194 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the TL084CDT by STMicroelectronics, the TL084IDT by STMicroelectronics, the TL074IDT by STMicroelectronics and the TL084-P14 by Shikues. Check their datasheets: a part that fits the footprint may still differ in its ratings.
4 boards in 4 repositories on GitHub; the most starred are listed on this page, with their KiCad files.