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INA199C3RSWR

26V, bi-directional current sense amplifier

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

INA199C3RSWR
Datasheet:

INA199C3RSWR Datasheet (PDF)
Common-mode voltage (max) (V):

26
Common-mode voltage (min) (V):

-0.3
Input offset (±) (max) (µV):

150
Input offset drift (±) (typ) (µV/°C):

0.1
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INA199C3RSWR General Description

The INA199 series of voltage-output, current-shunt monitors (also called current-sense amplifiers) are commonly used for overcurrent protection, precision-current measurement for system optimization, or in closed-loop feedback circuits. This series of devices can sense drops across shunt resistors at common-mode 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.

Key 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

Specifications

Product type	Analog output	Common-mode voltage (max) (V)	26
Common-mode voltage (min) (V)	-0.3	Input offset (±) (max) (µV)	150
Input offset drift (±) (typ) (µV/°C)	0.1	Voltage gain (V/V)	50, 100, 200
CMRR (min) (dB)	100	Bandwidth (kHz)	14, 30, 80
Supply voltage (max) (V)	26	Supply voltage (min) (V)	2.7
Iq (max) (mA)	0.115	Number of channels	1
Comparators (#)	0	Gain error (%)	0.9, 1.4
Gain error drift (±) (max) (ppm/°C)	10	Slew rate (V/µs)	0.4
Features	Bidirectional, Low-side Capable	Rating	Catalog
Operating temperature range (°C)	-40 to 125	feature-type	Current Sense Amplifier
feature-number-of-elements-per-chip	1	feature-number-of-channels-per-chip	1
feature-rail-to-rail		feature-typical-gain-bandwidth-product-mhz	0.014
feature-maximum-voltage-gain-db	46.02(Typ)	feature-minimum-cmrr-db	100
feature-minimum-psrr-db	140(Typ)	feature-output-type
feature-maximum-input-offset-voltage-mv	0.15@5V	feature-maximum-input-bias-current-ua	28(Typ)@5V
feature-maximum-input-resistance-mohm		feature-maximum-power-dissipation-mw
feature-packaging	Tape and Reel	feature-rad-hard
feature-pin-count	10	feature-cecc-qualified
feature-esd-protection		feature-escc-qualified
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-auto-motive	No
feature-p-pap	No	feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No