1 Features
1• Eliminates Errors from External Resistors at Gain
of 5
• Common-Mode Range Goes Below
Negative Supply
• Input Protection: Up to ±40 V
• Rail-to-Rail Output
• Outstanding Precision:
– Common-Mode Rejection: 88 dB, minimum
– Low Offset Voltage: 150 μV, maximum
– Low Drift: 2.5 μV/°C, maximum
– Low Gain Drift: 1 ppm/°C, max (G = 5 V/V)
– Power-Supply Rejection:
100 dB, min (G = 5)
– Noise: 17 nV/√Hz, G = 1000 V/V
• High Bandwidth:
– G = 5: 600 kHz
– G = 100: 150 kHz
• Supply Current: 200 μA, typical
• Supply Range:
– Single Supply: 3 V to 36 V
– Dual Supply: ±1.5 V to ±18 V
• Specified Temperature Range:
–40°C to +125°C
• Package: 8-pin VSSOP

2 Applications
• Industrial Process Controls
• Multichannel Systems
• Power Automation
• Weigh Scales
• Medical Instrumentation
• Data Acquisition

3 Description
The INA827 is a low-cost instrumentation amplifier
(INA) that offers extremely low power consumption
and operates over a very wide single- or dual-supply
range. The device is optimized for the lowest possible
gain drift of only 1 ppm per degree Celsius in G = 5,
which requires no external resistor. However, a single
external resistor sets any gain from 5 to 1000.
The INA827 is optimized to provide excellent
common-mode rejection ratio (CMRR) of over 88 dB
(G = 5) over frequencies up to 5 kHz. In G = 5,
CMRR exceeds 88 dB across the full input commonmode
range from the negative supply all the way up
to 1 V of the positive supply. Using a rail-to-rail
output, the INA827 is well-suited for low-voltage
operation from a 3-V singlesupply 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 a save
level.
The INA827 is available in a small VSSOP-8 package
and is specified for the –40°C to +125°C temperature
range. For a similar instrumentation amplifier with a
gain range of 1 V/V to 1000 V/V, see the INA826.