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PINA350CDSIDSGR ACTIVE

Tiny (2-mm × 2-mm), low-power (100 µA), selectable gain instrumentation amplifier

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Export classification

*For reference only

  • US ECCN: EAR99

Packaging information

Package | Pins WSON (DSG) | 8
Operating temperature range (°C) -40 to 125
Package qty | Carrier 3,000 | LARGE T&R

Features for the INA350

  • Ideal for size, cost, and power conscious designs
  • Selectable gain options
    • G = 10 or G = 20 (INA350ABS)
    • G = 30 or G = 50 (INA350CDS)
  • Space saving ultra-small package options
    • 10-pin X2QFN (RUG) – 3 mm2
    • 8-pin WSON (DSG) – 4 mm2
    • 8-pin SOT23-THN (DDF) – 4.64 mm2
  • Optimized performance for 10-bit to 14-bit systems
    • CMRR: 95 dB (typ) across all gains
    • Offset voltage: 0.2 mV (typ) across all gains
    • Gain error (typ):
      • 0.05% for G = 10; 0.06% for G = 20
      • 0.075% for G = 30; 0.082% for G = 50
  • Bandwidth: 100 kHz for G = 10 (typ)
  • Drives 500 pF with less than 20% overshoot (typ)
  • Optimized quiescent current: 100 µA (typ)
  • Shutdown option for power conscious applications
  • Supply range: 1.8 V (±0.9 V) to 5.5 V (±2.75 V)
  • Specified temperature range: –40°C to 125°C

Description for the INA350

INA350 is a selectable-gain instrumentation amplifier that offers four gain options across INA350ABS and INA350CDS variants available in small packages. INA350ABS has gain options of 10 or 20 and INA350CDS has gain options of 30 or 50. These gain options can be selected by toggling the gain select (GS) pin. INA350 is ideal for bridge-type sensing and for differential to single-ended conversion applications.

Built with precision matched integrated resistors, INA350 saves on BOM costs, pick-and-place machine handling costs, and board space by removing the need for precise or closely-matched external resistors. The device interface directly to low-speed, 10-bit to 14-bit, analog-to-digital converters (ADC) and is ideal for replacing discrete implementation of instrumentation amplifiers built with commodity amplifiers and discrete resistors.

Designed with the three-amplifier architecture, INA350 is optimized for delivering performance. It achieves 85 dB of minimum CMRR and 0.6% of maximum gain error, along with 1.2 mV of maximum offset across all gain options, while consuming just 125 µA of maximum quiescent current. It has an integrated shutdown option to turn off the amplifier when idle for additional power savings in battery powered applications.

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Carrier options

You can choose different carrier options based on the quantity of parts, including full reel, custom reel, cut tape, tube or tray.

A custom reel is a continuous length of cut tape from one reel to maintain lot- and date-code traceability, built to the exact quantity requested. Following industry standards, a brass shim connects an 18-inch leader and trailer on both sides of the cut tape for direct feeding into automated assembly machines. TI includes a reeling fee for custom reel orders.

Cut tape is a length of tape cut from a reel. TI may fulfill orders using multiple strips of cut tapes or boxes to satisfy the quantity requested.

TI often ships tube or tray devices inside a box or in the tube or tray, depending on inventory availability. We pack all tapes, tubes or sample boxes according to internal electrostatic discharge and moisture-sensitivity-level protection requirements.

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Lot and date code selection may be available

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