INA121U vs INA121UA Comparison
Detailed side-by-side comparison of INA121U by Texas Instruments and INA121UA 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 | INA121U | INA121UA |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Unknown | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.69 | $4.95 |
| Product Type | FET-input, low-power instrumentation amplifier | Instrumentation Amplifier (FET-input) |
| Number of Channels | 1 circuit | 1 |
| Input Bias Current | ±4 pA | ±4 pA (max) |
| Quiescent Current | ±450 µA | ±450 uA |
| Input Offset Voltage | ±200 µV | ±200 uV (max) |
| Input Offset Drift | ±2 µV/°C | ±2 uV/°C (max) |
| 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% | — |
| Operating Temperature | -40 °C to +85 °C | [DATA_NEEDED: confirmed range] |
| Package | 8-pin SOIC | 8-pin SOIC (D) |
| Mounting Type | Surface mount | Surface Mount |
| Application Category | Instrumentation amplifier | — |
| Architecture | Three-op-amp instrumentation-amplifier design | — |
| Input Type | Differential input | — |
| Manufacturer | Texas Instruments | — |
| RoHS Status | unknown | Compliant (per DigiKey product page) |
| REACH Status | unknown | — |
| Gain Range | — | 1 V/V to 10,000 V/V (external resistor) |
| Bandwidth (G = 100) | — | 600 kHz |
| Slew Rate | — | 0.07 V/us |
| Input Voltage Noise Density | — | 100 nV/sqrt(Hz) [DATA_NEEDED: confirmation of exact frequency] |
| CMRR | — | 106 dB (min) |
| Nonlinearity (G = 100) | — | 0.001% (max) |
| 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 |