Overview
The INA121U is an instrumentation OpAmp made by Texas Instruments in a SOIC-8 package with 8 pins. -40℃~+85℃ 0.7V/us 1 200uV 4pA SOIC-8 Instrumentation Amplifiers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:INA121UAE4, from EasyEDA) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1346211).
Symbol
Footprint
Parameters
13- -3db Bandwidth
- 5kHz
- Current - Input Bias(Ib)
- 4pA
- Features
- External resistor gain, Overvoltage Protection
- Gain Error
- 0.7%
- Ib - Input Bias Current
- 4pA
- Number of Channels
- Single-channel
- Number of Circuits
- 单路
- Operating Temperature
- -40℃~+85℃
- Slew Rate
- 0.7V/us
- Slew Rate(SR)
- 0.7V/us
- Voltage - Input Offset(Vos)
- 200uV
- Voltage Gain
- 1V/V~10000V/V
- Vos - Input Offset Voltage
- 200uV
Order codes
1- INA121ULCSC C1346211
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | RG | Unspecified |
| 2 | V– IN | Unspecified |
| 3 | V+ IN | Unspecified |
| 4 | V- | Unspecified |
| 5 | Ref | Unspecified |
| 6 | VO | Output |
| 7 | V+ | Unspecified |
| 8 | RG | Unspecified |
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Is there a KiCad symbol and footprint for the INA121U?
Yes. The symbol is EasyEDA_Cloud:INA121UAE4 and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the INA121U?
SOIC-8, with 8 pins. Its footprint is drawn on this page.
Where is the INA121U datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the INA121U?
JLCPCB lists it as part C1346211, with 0 in stock; the sellers' links on this page open their listings.
What can replace the INA121U?
Parts like it in the library: the INA118UG4 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
