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INA126 IC – (SMD Package) – Micro Power Instrumentation Amplifier IC

525.10 Incl. Tax

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The INA126 is precision instrumentation amplifiers for accurate, low noise differential-signal acquisition. Their two-op-amp design provides excellent performance with low quiescent current (175 μA/channel). Combined with a wide operating voltage range of ±1.35 V to ±18 V, makes the INA126 ideal for portable instrumentation and data acquisition systems.

Gain can be set from 5 V/V to 10000 V/V with a single external resistor. Laser-trimmed input circuitry provides low offset voltage (250-μV maximum), low offset voltage drift (3-μV/°C maximum), and excellent common-mode rejection.

Single version package options include 8-pin plastic PDIP, SOIC-8, and fine-pitch VSSOP-8 surface-mount. Dual version is available in 16-pin plastic PDIP, SOIC-8, and the space-saving, fine-pitch SSOP-16 surface-mount. All are specified for the –40°C to +85°C industrial temperature range.


  • Low Quiescent Current: 175 μA/channel
  • Wide Supply Range: ±1.35 V to ±18 V
  • Low Offset Voltage: 250-μV Maximum
  • Low Offset Drift: 3-μV/°C Maximum
  • Low Noise: 35 nV/√Hz
  • Low Input Bias Current: 25-nA Maximum
  • 8-Pin PDIP, SOIC, VSSOP Surface-Mount Dual: 16-Pin PDIP, SOIC, SSOP


Parameter Specification
Number of channels (#) 1
Vs (Max) (V) 36
Vs (Min) (V) 2.7
Input offset (+/-) (Max) (uV) 250
Gain (Min) (V/V) 5
Gain (Max) (V/V) 10000
Noise at 1 kHz (Typ) (nV/rt (Hz)) 35
CMRR (Min) (dB) 83
Input offset drift (+/-) (Max) (uV/C) 3
Input bias current (+/-) (Max) (nA) 25
Iq (Typ) (mA) 0.175
Bandwidth at min gain (Typ) (MHz) 0.2
Gain error (+/-) (Max) (%) 0.18
Operating temperature range (C) -55 to 125
Noise at 0.1 Hz-10 Hz (Typ) (uVpp) 0.7
Gain non-linearity (+/-) (Max) (%) 0.002


* product image for illustration purposes only. actual product may vary.


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