FEATURES
GAIN OF 0.2 TO INTERFACE ±10V SIGNALS
TO SINGLE-SUPPLY ADCs
GAIN ACCURACY: ±0.024% (max)
WIDE BANDWIDTH: 1.5MHz
HIGH SLEW RATE: 15V/μs
LOW OFFSET VOLTAGE: ±100μV
LOW OFFSET DRIFT: ±1.5μV/°C
SINGLE-SUPPLY OPERATION DOWN TO 1.8V

APPLICATIONS
INDUSTRIAL PROCESS CONTROLS
INSTRUMENTATION
DIFFERENTIAL TO SINGLE-ENDED
CONVERSION
AUDIO LINE RECEIVERS

DESCRIPTION
The INA159 is a high slew rate, G = 1/5 difference amplifier
consisting of a precision op amp with a precision resistor
network. The gain of 1/5 makes the INA159 useful to
couple ±10V signals to single-supply analog-to-digital
converters (ADCs), particularly those operating on a single
+5V supply. The on-chip resistors are laser-trimmed for
accurate gain and high common-mode rejection. Excellent
temperature coefficient of resistance (TCR) tracking of the
resistors maintains gain accuracy and common-mode
rejection over temperature. The input common-mode
voltage range extends beyond the positive and negative
supply rails. It operates on a total of +1.8V to +5.5V single
or split supplies. The INA159 reference input uses two
resistors for easy mid-supply or reference biasing.
The difference amplifier is the foundation of many
commonly-used circuits. The INA159 provides this circuit
function without using an expensive external precision
resistor network. The INA159 is available in an MSOP-8
surface-mount package and is specified for operation over
the extended industrial temperature range, −40°C to
+125°C.