TI INA Instrumentation Amplifiers Family (12 parts in our catalog)
Texas Instruments INA126, INA128, INA333, INA826 instrumentation amplifiers. Precision differential amplifiers for strain gauges, thermocouples, and bridge sensor circuits.
Sub-families
| Sub-family | Variants | Core | Max Speed | Features |
|---|---|---|---|---|
| PRECISION | ||||
| INA129P | 1 | 3-Op-Amp Bipolar | 1.3 MHz GBW | PREC LP HV |
| PRECISION GENERAL PURPOSE | ||||
| INA128PA | 1 | 3-Op-Amp Bipolar | 1.3 MHz GBW | PREC LP HV |
| INA128UA | 1 | 3-Op-Amp BJT | 1.3 MHz GBW | PREC HV LP |
| PRECISION LOW POWER | ||||
| INA333AIDRGT | 1 | Zero-Drift 3-Op-Amp | 150 kHz GBW | LP PREC LV |
| INA333AIDRGRG4 | 1 | Zero-Drift Instrumentation Amp | 150 kHz BW | LP PREC LV |
| INA333AIDGKR | 1 | Zero-Drift CMOS | 150 kHz GBW | LP PREC LV ADC |
| INA333AIDRGR | 1 | Zero-Drift CMOS | 150 kHz GBW | LP PREC LV ADC |
| INA826AIDR | 1 | Bipolar | 1 MHz GBW | LP PREC HV ADC |
| GENERAL PURPOSE PRECISION | ||||
| INA126U | 1 | 2-Op-Amp BJT | 200 kHz BW | LP PREC HV |
| PRECISION LOW POWER | ||||
| INA826AIDRGT | 1 | Bipolar/FET Hybrid | 1 MHz GBW | LP PREC HV AUTO |
| AUTOMOTIVE PRECISION | ||||
| INA333QDGKRQ1 | 1 | Zero-Drift CMOS | 150 kHz GBW | AUTO PREC LP LV |
| PRECISION INDUSTRIAL | ||||
| INA129PA | 1 | 3-Op Amp Bipolar | 1.3 MHz GBW | PREC LP HV |
Popular Variants
Top variants from across the family, with specs that differentiate them.
| Part Number | Sub-family | Package | Slew Rate | -3db Bandwidth | Current - Supply | Current - Input Bias | Temp Range | Stock |
|---|---|---|---|---|---|---|---|---|
| INA128PA | INA128PA | DIP-8 | 4V | 1.3 M | 700uA | 2 nA | -40degC ~ 85degC | 4,162 |
| INA333AIDRGT | INA333AIDRGT | WFDFN-8 | 0.16V | 150 k | 50uA | 70 pA | -40degC ~ 125degC | 9,323 |
| INA126U/2K5 | INA126U | SOIC-8 | 0.4V | 200 k | 175uA | 10 nA | -40degC ~ 85degC | 2,216 |
