INA131BP vs INA121UA Comparison
Detailed side-by-side comparison of INA131BP 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.
Specification Comparison
| Parameter | INA131BP | INA121UA |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Active | Active |
| Amplifier Type | Precision instrumentation amplifier | — |
| Internal Amplifier Count | 3 amplifiers | — |
| Nominal Gain | 100 V/V | — |
| Gain Configuration | Fixed gain | — |
| Supply Voltage Range | 2.25 V to 18 V | ±2.25 V to ±18 V (dual) / 4.5 V to 36 V (single) |
| Maximum Total Supply Voltage | 50 V | — |
| Signal Bandwidth | 70 kHz | — |
| Slew Rate | 0.7 V/µs | 0.07 V/us |
| Adjustment Method | On-chip laser trimming | — |
| Number of Circuits | 1 circuit | — |
| Package Type | 8-pin PDIP | — |
| Number of Pins | 8 pins | — |
| Mounting Style | Through-hole | — |
| Temperature Grade | Industrial grade | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Input Offset Voltage | [DATA_NEEDED: input offset voltage] | ±200 uV (max) |
| Input Bias Current | [DATA_NEEDED: input bias current] | ±4 pA (max) |
| Common-Mode Rejection Ratio | [DATA_NEEDED: common-mode rejection ratio] | — |
| Power Supply Rejection Ratio | [DATA_NEEDED: power supply rejection ratio] | — |
| Output Voltage Swing | [DATA_NEEDED: output voltage swing] | — |
| Quiescent Current per Channel | [DATA_NEEDED: quiescent current per channel] | — |
| Input Common-Mode Voltage Range | [DATA_NEEDED: input common-mode voltage range] | — |
| Product Type | — | Instrumentation Amplifier (FET-input) |
| Number of Channels | — | 1 |
| Gain Range | — | 1 V/V to 10,000 V/V (external resistor) |
| Bandwidth (G = 100) | — | 600 kHz |
| Input Offset Drift | — | ±2 uV/°C (max) |
| 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 |
| Input Protection | — | ±40 V differential and common-mode |
| Operating Temperature | — | [DATA_NEEDED: confirmed range] |
| Package | — | 8-pin SOIC (D) |
| Mounting Type | — | Surface Mount |
| RoHS Status | — | Compliant (per DigiKey product page) |