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MAX9934TAUA+ - 

Current Sense Amplifier, High Precision, 1 Amplifier, 100 pA, µMAX, 8 Pins, -40 °C, 125 °C

MAX9934TAUA+ - Current Sense Amplifier, High Precision, 1 Amplifier, 100 pA, µMAX, 8 Pins, -40 °C, 125 °C

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Manufacturer Part No:
MAX9934TAUA+
Order Code:
2515283
Technical Datasheet:
MAX9934TAUA+   Datasheet
See all Technical Docs

Product Overview

The MAX9934TAUA+ is a high precision, low voltage, current-sense amplifier with current output and chip select for multiplexing in 8 pin µMAX package. It is ideal for both bidirectional (charge/discharge) and unidirectional current measurements in battery-powered portable and laptop devices. Its precision input specification allows the use of very small sense voltages (typically ±10mV full-scale) for minimally invasive current sensing. The output of the MAX9934 is a current proportional to input VSENSE and is available in 25µA/mV gain with gain accuracy better than 0.25% (max) at +25°C. A chip select (CS) allows multiplexing of several MAX9934 current outputs to a single microcontroller ADC channel. CS is compatible with 1.8V and 3.3V logic systems. When powered down (VCC = 0), RS+ and RS- draw less than 0.1nA (typ) leakage current to reduce battery load. The MAX9934 is robust and protected from input faults of up to ±6V input differential voltage between RS+ and RS-.
  • Supply voltage range is 2.5V to 3.6V
  • Operating temperature range from -40°C to 125°C
  • Input offset voltage (VOS) is a low 10µV
  • Input common mode voltage range from -0.1V to +5.5V
  • 120µA (typ) quiescent current
  • Current output allows ROUT selection for gain flexibility

Applications

Signal Processing, Portable Devices

Product Information

:
1 Amplifier
:
100pA
:
µMAX
:
8Pins
:
-40°C
:
125°C
:
1.5kHz
:
2.5V
:
3.6V
:
14µV
:
135dB
:
-
:
-
:
MSL 1 - Unlimited
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