INA2128P vs INA121P Comparison

Detailed side-by-side comparison of INA2128P 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
INA2128P INA2128P - Dual Precision Instrumentation Amplifier | TI

INA2128P - Dual Precision Instrumentation Amplifier | TI

INA2128P ✓ Active

Specification Comparison

Parameter INA2128P INA121P
Brand Texas Instruments Texas Instruments
Category Amplifier ICs Amplifier ICs
Lifecycle Status Active Active
Amplifier Configuration Dual instrumentation amplifier —
Number of Amplifier Circuits 2 circuits —
Internal Architecture 3-op-amp instrumentation amplifier —
Gain Range 1 to 10,000 1 V/V to 10,000 V/V (single external resistor)
Gain Setting 1 external resistor —
Bandwidth at Gain 100 200 kHz —
Input Offset Voltage 50 uV maximum ±200 µV typical
Input Offset Drift 0.5 uV/degree C maximum ±2 µV/°C typical
Input Bias Current 5 nA maximum ±4 pA typical
Common-Mode Rejection 120 dB minimum —
Input Protection Range plus or minus 40 V —
Supply Voltage Range plus or minus 18 V ±2.25 V to ±18 V
Input Circuitry Current feedback —
Power Class Low power —
Package 16-pin PDIP (SOL-16) 8-Pin PDIP (P)
Mounting Type Through-hole Through-Hole
Operating Temperature Range [DATA_NEEDED: operating temperature range] -40 °C to +85 °C
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] —
RoHS Status [DATA_NEEDED: RoHS status] Compliant
REACH Status [DATA_NEEDED: REACH status] —
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification status] —
Amplifier Type — Instrumentation Amplifier (3-op-amp topology)
Number of Channels — 1
Input Type — FET / CMOS
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)
Input Protection — ±40 V differential and common-mode
Slew Rate — [DATA_NEEDED: slew rate from datasheet]
Lead-Free Finish — Yes (Matte Tin)

Datasheets & Resources

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