1 Features
• Wide Common-Mode Range: –0.3 V to 26 V
• Offset Voltage: ±150 μV (Maximum)
(Enables Shunt Drops of 10-mV Full-Scale)
• Accuracy:
– Gain Error (Maximum Over Temperature):
• ±1% (C Version)
• ±1.5% (A and B Versions)
– 0.5-μV/°C Offset Drift (Maximum)
– 10-ppm/°C Gain Drift (Maximum)
• Choice of Gains:
– INA199x1: 50 V/V
– INA199x2: 100 V/V
– INA199x3: 200 V/V
• Quiescent Current: 100 μA (Maximum)
• Packages: 6-Pin SC70, 10-Pin UQFN

2 Applications
• Notebook Computers
• Cell Phones
• Qi-Compliant Wireless Charging Transmitters
• Telecom Equipment
• Power Management
• Battery Chargers

3 Description
The INA199 series of voltage-output, current-shunt
monitors (also called current-sense amplifiers) are
commonly used for overcurrent protection, precisioncurrent
measurement for system optimization, or in
closed-loop feedback circuits. This series of devices
can sense drops across shunt resistors at commonmode
voltages from –0.3 V to 26 V, independent of
the supply voltage. Three fixed gains are available:
50 V/V, 100 V/V, and 200 V/V. The low offset of the
zero-drift architecture enables current sensing with
maximum drops across the shunt as low as 10-mV
full-scale.
These devices operate from a single 2.7-V to 26-
V power supply, drawing a maximum of 100 μA
of supply current. All versions are specified from –
40°C to 125°C, and offered in both SC70-6 and thin
UQFN-10 packages.