INA121UA vs INA121U Comparison
Detailed side-by-side comparison of INA121UA by Texas Instruments and INA121U by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
INA121U - Low-Power FET Instrumentation Amplifier | Texas Instruments
INA121U UnknownSpecification Comparison
| Parameter | INA121UA | INA121U |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Active | Unknown |
| Product Type | Instrumentation Amplifier (FET-input) | FET-input, low-power instrumentation amplifier |
| Number of Channels | 1 | 1 circuit |
| Gain Range | 1 V/V to 10,000 V/V (external resistor) | — |
| Bandwidth (G = 100) | 600 kHz | — |
| Slew Rate | 0.07 V/us | — |
| Input Bias Current | ±4 pA (max) | ±4 pA |
| Input Offset Voltage | ±200 uV (max) | ±200 µV |
| Input Offset Drift | ±2 uV/°C (max) | ±2 µV/°C |
| Input Voltage Noise Density | 100 nV/sqrt(Hz) [DATA_NEEDED: confirmation of exact frequency] | — |
| CMRR | 106 dB (min) | — |
| Nonlinearity (G = 100) | 0.001% (max) | — |
| Quiescent Current | ±450 uA | ±450 µA |
| Supply Voltage Range | ±2.25 V to ±18 V (dual) / 4.5 V to 36 V (single) | — |
| Input Protection | ±40 V differential and common-mode | — |
| Operating Temperature | [DATA_NEEDED: confirmed range] | -40 °C to +85 °C |
| Package | 8-pin SOIC (D) | 8-pin SOIC |
| Mounting Type | Surface Mount | Surface mount |
| RoHS Status | Compliant (per DigiKey product page) | unknown |
| Input Noise | — | 100 nV/√Hz |
| Common-Mode Rejection | — | 106 dB |
| Supply Range | — | ±2.25 V to ±18 V |
| Bandwidth | — | 600 kHz |
| Nonlinearity Error | — | 0.001% |
| Application Category | — | Instrumentation amplifier |
| Architecture | — | Three-op-amp instrumentation-amplifier design |
| Input Type | — | Differential input |
| Manufacturer | — | Texas Instruments |
| REACH Status | — | unknown |