4 layers67.5 × 9.2 mm
Ref mic
loudifier/OpenRefMic
open hardware design for a high-performance low-cost measurement microphone
47 parts169MIT
OPA4991ID
Texas InstrumentsExtended
-20V~-1.35V、1.35V~20V -40℃~+125℃ 10.8nV/√Hz@1kHz 10pA 10pA 125uV 130dB 2.7V~40V 21V/us 300nV/℃ 4 4.5MHz 560uA 75mA Enable/shutdown function、EMI filtering/RF suppression Rail-to-Rail Input, Rail-to-Rail Output SOIC-14 Operational Amplifier ROHS
- Part id
- ti/OPA4991ID
- Category
- Operational Amplifier
- Package
- SOIC-14
- Pins
- 14
- In stock
- 821 at JLCPCB (C2860973)
- Used on
- 5 open-source boards
Overview
The OPA4991ID is an operational Amplifier made by Texas Instruments in a SOIC-14 package with 14 pins. -20V~-1.35V、1.35V~20V -40℃~+125℃ 10.8nV/√Hz@1kHz 10pA 10pA 125uV 130dB 2.7V~40V 21V/us 300nV/℃ 4 4.5MHz 560uA 75mA Enable/shutdown function、EMI filtering/RF suppression Rail-to-Rail Input, Rail-to-Rail Output SOIC-14 Operational Amplifier ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TLC274MDRG4, from EasyEDA) and its footprint (Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, from KiCad's library), ready for a KiCad board. 821 are in stock at JLCPCB (part C2860973). 5 open-source boards in 5 repositories on GitHub use it.
Symbol
Footprint
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | 1OUT | Unspecified |
| 2 | 1IN− | Unspecified |
| 3 | 1IN+ | Unspecified |
| 4 | VDD | Unspecified |
| 5 | 2IN+ | Unspecified |
| 6 | 2IN− | Unspecified |
| 7 | 2OUT | Unspecified |
| 8 | 3OUT | Unspecified |
| 9 | 3IN− | Unspecified |
| 10 | 3IN+ | Unspecified |
| 11 | GND | Unspecified |
| 12 | 4IN+ | Unspecified |
| 13 | 4IN− | Unspecified |
| 14 | 4OUT | Unspecified |
Open-source boards using it
5- 4 layers114 × 120 mm
- 2 layers20 × 108 mm
Helium
wntrblm/Helium
Helium is a triple 1-to-3 precision buffered multiple and 3-to-1 precision adder
67 parts17 - 2 layers102.3 × 51 mm
- 4 layers40.6 × 58.4 mm
Parts like it
8
LMV324-SR
SOP-14-1.05V~2.75V -40℃~+125℃ 1MHz 1pA 1pA 2.1V~5.5V 2.7uV/℃ 27nV/√Hz@1kHz 3.5mV 4 40uA 600V/ms 70dB 84mA Built-in compensation、EMI filtering/RF suppression Rail-to-Rail Input, Rail-to-Rail Output SOP-14 Operational Amplifier ROHSGainsilOperational AmplifierMC33179D
SOIC-14-18V~-2V、2V~18V -40℃~+85℃ 1.6mA 100nA 110dB 150uV 2V/us 2uV/℃ 4 5MHz 5nA 7.5nV/√Hz@1kHz 80mA ESD protection SOIC-14 Operational Amplifier ROHSonsemiOperational AmplifierLM324S
SOP-14-15V~-1.5V、1.5V~15V -25℃~+85℃ 1MHz 2.36mA 240mA 30V 3V~30V 4 400V/ms 45nA 50nV/√Hz@1kHz 5nA 7mV 7uV/℃ 90dB SOP-14 Operational Amplifier ROHSIDCHIPOperational AmplifierRS324AXP
SOP-14-2.75V~-1.25V、1.25V~2.75V -40℃~+125℃ 1.1MHz 100pA 10pA 130mA 2.5V~5.5V 22nV/√Hz@1kHz 2uV/℃ 4 4.5mV 500V/ms 60uA 90dB Built-in compensation Rail-to-Rail Input, Rail-to-Rail Output SOP-14 Operational Amplifier ROHSJiangsu RUNIC TechOperational AmplifierRS724XP-Q1
SOIC-14Operational AmplifierJiangsu RUNIC TechOPA4172ID
SOIC-14-18V~-2.25V、2.25V~18V -40℃~+125℃ 1.6mA 10MHz 10V/us 120dB 1nA 200uV 300nV/℃ 4 75mA 7nV/√Hz@1kHz 8pA EMI filtering/RF suppression Rail-to-rail output SOIC-14 Operational Amplifier ROHSTexas InstrumentsOperational AmplifierLMV324B-SR
SOIC-14-40℃~+125℃ 100mA 1MHz 1pA 1pA 2.5V~5.5V 2mV 2uV/℃ 35nV/√Hz@1kHz 4 700V/ms 80uA 85dB Rail-to-Rail Input, Rail-to-Rail Output SOIC-14 Operational Amplifier ROHS3PEAKOperational AmplifierMC33204D
SOIC-14-40℃~+105℃ -900mV~900mV 1.8V~12V 10mV 1V/us 2.2MHz 20nV/√Hz@1kHz 2uV/℃ 4 50nA 80mA 80nA 900uA 90dB Rail-to-Rail Input, Rail-to-Rail Output SOIC-14 Operational Amplifier ROHSonsemiOperational Amplifier
Questions
Is there a KiCad symbol and footprint for the OPA4991ID?
Yes. The symbol is EasyEDA_Cloud:TLC274MDRG4 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.
What package is the OPA4991ID?
SOIC-14, with 14 pins. Its footprint is drawn on this page.
Where is the OPA4991ID datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the OPA4991ID?
JLCPCB lists it as part C2860973, with 821 in stock; the sellers' links on this page open their listings.
What can replace the OPA4991ID?
Parts like it in the library: the LMV324-SR by Gainsil, the MC33179D by onsemi, the LM324S by IDCHIP and the RS324AXP by Jiangsu RUNIC Tech. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the OPA4991ID?
5 boards in 5 repositories on GitHub; the most starred are listed on this page, with their KiCad files.