INA121P vs INA2128P Comparison
Detailed side-by-side comparison of INA121P by Texas Instruments and INA2128P 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
INA121P - FET-Input Low Power Instrumentation Amplifier DIP-8 | Texas Instruments
INA121P ✓ Active
Specification Comparison
| Parameter | INA121P | INA2128P |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Active | Active |
| Amplifier Type | Instrumentation Amplifier (3-op-amp topology) | — |
| Number of Channels | 1 | — |
| Input Type | FET / CMOS | — |
| Input Bias Current | ±4 pA typical | 5 nA maximum |
| Input Offset Voltage | ±200 µV typical | 50 uV maximum |
| Input Offset Drift | ±2 µV/°C typical | 0.5 uV/degree C maximum |
| Input Voltage Noise Density | 20 nV/√Hz at 1 kHz | — |
| Quiescent Current | ±450 µA typical | — |
| Common-Mode Rejection Ratio (CMRR) | 106 dB minimum | — |
| Bandwidth (-3 dB) | 600 kHz at G = 100 | — |
| Nonlinearity Error | 0.001% (G = 10) | — |
| Gain Range | 1 V/V to 10,000 V/V (single external resistor) | 1 to 10,000 |
| Supply Voltage Range | ±2.25 V to ±18 V | plus or minus 18 V |
| Input Protection | ±40 V differential and common-mode | — |
| Operating Temperature Range | -40 °C to +85 °C | [DATA_NEEDED: operating temperature range] |
| Package | 8-Pin PDIP (P) | 16-pin PDIP (SOL-16) |
| Mounting Type | Through-Hole | Through-hole |
| Slew Rate | [DATA_NEEDED: slew rate from datasheet] | — |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| Lead-Free Finish | Yes (Matte Tin) | — |
| Amplifier Configuration | — | Dual instrumentation amplifier |
| Number of Amplifier Circuits | — | 2 circuits |
| Internal Architecture | — | 3-op-amp instrumentation amplifier |
| Gain Setting | — | 1 external resistor |
| Bandwidth at Gain 100 | — | 200 kHz |
| Common-Mode Rejection | — | 120 dB minimum |
| Input Protection Range | — | plus or minus 40 V |
| Input Circuitry | — | Current feedback |
| Power Class | — | Low power |
| Quiescent Current per Amplifier | — | [DATA_NEEDED: quiescent current per amplifier] |
| Maximum Supply Voltage | — | [DATA_NEEDED: maximum supply voltage] |
| Input Common-Mode Range | — | [DATA_NEEDED: input common-mode range] |
| Output Swing Range | — | [DATA_NEEDED: output swing range] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |