The INA826 is a low-cost instrumentation amplifier that offers extremely low power consumption and operates over a very wide single or dual supply range. A single external resistor sets any gain from 1 to 1000. The device offers excellent stability over temperature, even at G > 1, as a result of the low gain drift of only 35 ppm/°C (max).
The INA826 is optimized to provide excellent common-mode rejection ratio of over 100 dB (G = 10) over frequencies up to 5 kHz. At G = 1, the common-mode rejection ratio exceeds 84 dB across the full input common-mode range from the negative supply all the way up to 1 V of the positive supply. Using a rail-to-rail output, the INA826 is well-suited for low voltage operation from a 3-V single supply as well as dual supplies up to ±18 V.
Additional circuitry protects the inputs against overvoltage of up to ±40 V beyond the power supplies by limiting the input currents to less than 8 mA.
The INA826 is available in 8-pin SOIC, VSSOP, and tiny 3-mm × 3-mm WSON surface-mount packages. All versions are specified for the –40°C to +125°C temperature range.
|Number of channels (#)|
|Vs (Min) (V)|
|Vs (Max) (V)|
|CMRR (Min) (dB)|
|Input offset (+/-) (Max) (uV)|
|Input offset drift (+/-) (Max) (uV/C)|
|Input bias current (+/-) (Max) (nA)|
|Noise at 1 kHz (Typ) (nV/rt (Hz))|
|Iq (Typ) (mA)|
|Bandwidth at min gain (Typ) (MHz)|
|Gain (Min) (V/V)|
|Gain (Max) (V/V)|
|Gain error (+/-) (Max) (%)|
|Operating temperature range (C)|
|Package size: mm2:W x L (PKG)|
|Noise at 0.1 Hz-10 Hz (Typ) (uVpp)|
|Gain non-linearity (+/-) (Max) (%)|
|-40 to 125||-40 to 125||-40 to 125|
SOIC | 8
SON | 8
VSSOP | 8
|VSON | 10||SOIC | 8|
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
See datasheet (SON)
8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)
|10VSON: 9 mm2: 3 x 3 (VSON | 10)||8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)|
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