Datasheets
INA129MDREP by: Texas Instruments

Enhanced Product Precision, Low Power Instrumentation Amplifiers 8-SOIC -55 to 125

Part Details for INA129MDREP by Texas Instruments

Results Overview of INA129MDREP by Texas Instruments

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INA129MDREP Information

INA129MDREP by Texas Instruments is an Operational Amplifier.
Operational Amplifiers are under the broader part category of Amplifier Circuits.

Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.

Price & Stock for INA129MDREP

Part # Distributor Description Stock Price Buy
DISTI # 296-25555-1-ND
DigiKey IC INST AMP 1 CIRCUIT 8SOIC Min Qty: 1 Lead time: 12 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 2517
In Stock
  • 1 $20.0600
  • 10 $16.0140
  • 25 $15.0024
  • 100 $13.8906
  • 250 $13.3606
  • 500 $13.0412
  • 2,500 $12.5009
$12.5009 / $20.0600 Buy Now
DISTI # 595-INA129MDREP
Mouser Electronics Instrumentation Amplifiers EP Prec Low Pwr Inst rum Amp RoHS: Compliant 1249
  • 1 $21.8100
  • 10 $18.4600
  • 25 $17.6900
  • 100 $15.5900
  • 250 $14.8200
  • 500 $13.8700
$13.8700 / $21.8100 Buy Now
DISTI # INA129MDREP
TME IC: instrumentation amplifier, 1.3MHz, Ch: 1, SO8, 1V/V,10kV/V Min Qty: 1 0
  • 1 $24.0100
  • 10 $21.6500
  • 25 $19.3900
  • 100 $17.2400
  • 250 $16.5200
  • 500 $15.3900
  • 1,000 $14.8800
  • 2,500 $14.1600
$14.1600 / $24.0100 RFQ
LCSC 2nA 150uV 200kHz 95dB Single channel SOIC-8 Instrumentation Amplifiers ROHS 2
  • 1 $21.4398
  • 30 $20.5161
$20.5161 / $21.4398 Buy Now
Vyrian Amplifiers 2133
RFQ

Part Details for INA129MDREP

INA129MDREP CAD Models

INA129MDREP Part Data Attributes

INA129MDREP Texas Instruments
Buy Now Datasheet
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INA129MDREP Texas Instruments Enhanced Product Precision, Low Power Instrumentation Amplifiers 8-SOIC -55 to 125
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description GREEN, PLASTIC, MS-012AA, SOIC-8
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.33.00.01
Samacsys Manufacturer Texas Instruments
Amplifier Type OPERATIONAL AMPLIFIER
Architecture CURRENT-FEEDBACK
Average Bias Current-Max (IIB) 0.008 µA
Bandwidth (3dB)-Nom 1.3 MHz
Bias Current-Max (IIB) @25C 0.008 µA
Common-mode Reject Ratio-Min 113 dB
Common-mode Reject Ratio-Nom 130 dB
Frequency Compensation YES
Input Offset Current-Max (IIO) 0.008 µA
Input Offset Voltage-Max 100 µV
JESD-30 Code R-PDSO-G8
JESD-609 Code e4
Length 4.9 mm
Low-Bias NO
Low-Offset YES
Micropower NO
Moisture Sensitivity Level 3
Neg Supply Voltage Limit-Max -18 V
Neg Supply Voltage-Nom (Vsup) -15 V
Non-linearity-Max 0.0055%
Number of Functions 1
Number of Terminals 8
Operating Temperature-Max 125 °C
Operating Temperature-Min -55 °C
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP8,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR
Peak Reflow Temperature (Cel) 260
Power NO
Programmable Power NO
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Slew Rate-Nom 4 V/us
Supply Current-Max 1.2 mA
Supply Voltage Limit-Max 18 V
Supply Voltage-Nom (Vsup) 15 V
Surface Mount YES
Temperature Grade MILITARY
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Unity Gain BW-Nom 1300
Voltage Gain-Max 10000
Voltage Gain-Min 1
Wideband NO
Width 3.9 mm

INA129MDREP Related Parts

INA129MDREP Frequently Asked Questions (FAQ)

  • The INA129 can handle input voltages up to ±650mV, but it's recommended to keep the input voltage within ±500mV to ensure accurate measurements.

  • The gain resistor (Rg) should be chosen based on the desired gain and input voltage range. A smaller Rg value results in higher gain, but may also increase noise. A larger Rg value results in lower gain, but may also reduce noise. Consult the datasheet for a gain calculation formula.

  • The REF pin is the reference voltage input for the INA129. It should be connected to a stable voltage source, such as a voltage regulator or a voltage reference IC. The REF pin sets the output voltage of the INA129, and it's typically connected to a voltage divider or a voltage reference circuit.

  • To filter out noise and interference, add capacitors (e.g., 10nF to 100nF) between the input pins and GND, and between the output pin and GND. You can also add a low-pass filter (e.g., RC filter) between the output pin and the load. Additionally, use a shielded cable and keep the INA129 circuit away from noise sources.

  • The INA129 can drive up to 10mA of output current. However, the output current should be limited to 5mA or less to ensure accurate measurements and to prevent overheating.

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