INA121P vs INA128PA Comparison

Detailed side-by-side comparison of INA121P by Texas Instruments and INA128PA 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
INA128PA INA128PA - 130dB CMRR Low-Power INA | Texas Instruments

INA128PA - 130dB CMRR Low-Power INA | Texas Instruments

INA128PA ✓ Active

Specification Comparison

Parameter INA121P INA128PA
Brand Texas Instruments Texas Instruments
Category Amplifier ICs Amplifier ICs
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $5.65 $0.00
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 —
Quiescent Current ±450 µA typical 700 µA
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 —
Input Protection ±40 V differential and common-mode ±40 V
Operating Temperature Range -40 °C to +85 °C —
Package 8-Pin PDIP (P) 8-pin PDIP
Mounting Type Through-Hole Through-hole
Slew Rate [DATA_NEEDED: slew rate from datasheet] —
RoHS Status Compliant —
Lead-Free Finish Yes (Matte Tin) —
Product Type — Precision instrumentation amplifier
Architecture — Three-op-amp instrumentation amplifier
Number of Circuits — 1 circuit
Common-Mode Rejection Ratio — 130 dB
Minimum Common-Mode Rejection — 120 dB
Maximum Input Offset Voltage — 50 µV
Maximum Input Voltage Drift — 0.5 µV/°C
Maximum Input Bias Current — 5 nA
Supply Range — Up to ±18 V
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

Datasheets & Resources

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