INA128PA vs INA121P Comparison
Detailed side-by-side comparison of INA128PA by Texas Instruments and INA121P 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 ✓ ActiveSpecification Comparison
| Parameter | INA128PA | INA121P |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Amplifier ICs | Amplifier ICs |
| Lifecycle Status | Active | Active |
| Product Type | Precision instrumentation amplifier | — |
| Architecture | Three-op-amp instrumentation amplifier | — |
| Number of Circuits | 1 circuit | — |
| Package | 8-pin PDIP | 8-Pin PDIP (P) |
| Common-Mode Rejection Ratio | 130 dB | — |
| Minimum Common-Mode Rejection | 120 dB | — |
| Quiescent Current | 700 µA | ±450 µA typical |
| Maximum Input Offset Voltage | 50 µV | — |
| Maximum Input Voltage Drift | 0.5 µV/°C | — |
| Maximum Input Bias Current | 5 nA | — |
| Input Protection | ±40 V | ±40 V differential and common-mode |
| Supply Range | Up to ±18 V | — |
| Gain Range | 1 to 10,000 | 1 V/V to 10,000 V/V (single external resistor) |
| Gain Setting | Single external resistor | — |
| Bandwidth at Gain 100 | 200 kHz | — |
| Green Product | Yes | — |
| Restricted Substances | No Sb/Br | — |
| Operating Temperature | -40°C to +85°C | — |
| Mounting Type | Through-hole | Through-Hole |
| Amplifier Type | — | Instrumentation Amplifier (3-op-amp topology) |
| Number of Channels | — | 1 |
| Input Type | — | FET / CMOS |
| Input Bias Current | — | ±4 pA typical |
| Input Offset Voltage | — | ±200 µV typical |
| Input Offset Drift | — | ±2 µV/°C typical |
| Input Voltage Noise Density | — | 20 nV/√Hz at 1 kHz |
| Common-Mode Rejection Ratio (CMRR) | — | 106 dB minimum |
| Bandwidth (-3 dB) | — | 600 kHz at G = 100 |
| Nonlinearity Error | — | 0.001% (G = 10) |
| Supply Voltage Range | — | ±2.25 V to ±18 V |
| Operating Temperature Range | — | -40 °C to +85 °C |
| Slew Rate | — | [DATA_NEEDED: slew rate from datasheet] |
| RoHS Status | — | Compliant |
| Lead-Free Finish | — | Yes (Matte Tin) |