INA327 Texas instruments

INA327

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INA327

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Описание

The INA326 and INA327 (with shutdown) are high-performance, low-cost, precision instrumentation amplifiers with rail-to-rail input and output. They are true single-supply instrumentation amplifiers with very low DC errors and input common-mode ranges that extends beyond the positive and negative rails. These features make them suitable for applications ranging from general-purpose to high-accuracy. Excellent long-term stability and very low 1/f noise assure low offset voltage and drift throughout the life of the product. The INA326 (without shutdown) comes in the MSOP-8 package. The INA327 (with shutdown) is offered in an MSOP-10. Both are specified over the industrial temperature range, 40°C to +85°C, with operation from 40°C to +125°C.

PRECISION
   LOW OFFSET: 100 µV (max)
   LOW OFFSET DRIFT: 0.4 µV/°C (max)
   EXCELLENT LONG-TERM STABILITY
   VERY-LOW 1/f NOISE
TRUE RAIL-TO-RAIL I/O
   INPUT COMMON-MODE RANGE:
      20mV Below Negative Rail to 100mV Above Positive Rail
   WIDE OUTPUT SWING: Within 10mV of Rails
   SUPPLY RANGE: Single +2.7V to +5.5V
SMALL SIZE
microPACKAGE: MSOP-8, MSOP-10
LOW COST
APPLICATIONS
- LOW-LEVEL TRANSDUCER AMPLIFIER FOR BRIDGES, LOAD CELLS, THERMOCOUPLES
- WIDE DYNAMIC RANGE SENSOR MEASUREMENTS
- HIGH-RESOLUTION TEST SYSTEMS
- WEIGH SCALES
- MULTI-CHANNEL DATA ACQUISITION SYSTEMS
- MEDICAL INSTRUMENTATION
- GENERAL-PURPOSE

Number of channels	1
Vs (max) (V)	5.5
Vs (min) (V)	2.7
Input offset (±) (max) (µV)	100
Voltage gain (min) (V/V)	0.1
Voltage gain (max) (V/V)	1000
Noise at 1 kHz (typ) (nV√Hz)	33
Features	Cost Optimized, Shutdown
CMRR (min) (dB)	100
Input offset drift (±) (max) (V/°C)	0.0000004
Input bias current (±) (max) (nA)	2
Iq (typ) (mA)	2.4
Bandwidth at min gain (typ) (MHz)	0.001
Gain error (±) (max) (%)	0.2
Operating temperature range (°C)	-40 to 85
Rating	Catalog
Type	Resistor
Gain nonlinearity (±) (max) (%)	0.01
Output swing headroom (to negative supply) (typ) (V)	0.005
Output swing headroom (to positive supply) (typ) (V)	-0.005
Input common mode headroom (to negative supply) (typ) (V)	-0.02
Input common mode headroom (to positive supply) (typ) (V)	0.1
Noise at 0.1 Hz to 10 Hz (typ) (µVPP)	0.8