INA193 Datasheet, PDF (1/15 Pages) Burr-Brown (TI) – CURRENT SHUNT MONITOR

INA193, INA194
INA195, INA196
INA197, INA198
SBOS307B − MAY 2004 − REVISED JUNE 2004
CURRENT SHUNT MONITOR
−16V to 36V Common-Mode Range
FEATURES
D WIDE COMMON-MODE VOLTAGE:
−16V to 36V
D LOW ERROR: 3.0% Over Temp (max)
D BANDWIDTH: Up to 500kHz
D THREE TRANSFER FUNCTIONS AVAILABLE:
20V/V, 50V/V, and 100V/V
D QUIESCENT CURRENT: 900µA (max)
D COMPLETE CURRENT SENSE SOLUTION
APPLICATIONS
D WELDING EQUIPMENT
D NOTEBOOK COMPUTERS
D CELL PHONES
D TELECOM EQUIPMENT
D AUTOMOTIVE
D POWER MANAGEMENT
D BATTERY CHARGERS
V_IN+
Negative
and
Positive
Common−Mode
Voltage
R_S
V_IN+
5kΩ
DESCRIPTION
The INA193—INA198 family of current shunt monitors
with voltage output can sense drops across shunts at
common-mode voltages from −16V to +36V, independent
of the INA19x supply voltage. They are available with three
output voltage scales: 20V/V, 50V/V, and 100V/V. The
500kHz bandwidth simplifies use in current control loops.
The INA193—INA195 provide identical functions but
alternative pin configurations to the INA196—INA198
(respectively).
The INA193—INA198 operate from a single +2.7V to
+13.5V supply, drawing a maximum of 900µA of supply
current. They are specified over the extended operating
temperature range (−40°C to +125°C), and are offered in
a space-saving SOT23 package.
I_S
V+
V _{IN −}
5kΩ
Load
A1
A2
R_L
INA193 −INA198
OUT =
I_S R_S R _L
5kΩ
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