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INA821 High-Precision Instrumentation Amplifier

Texas Instruments INA821 High-Precision Instrumentation Amplifier offers low power consumption and operates over a wide single or dual-supply range. A single external resistor sets any gain from 1 to 10,000. The device has high precision due to super-beta input transistors, which provide low input offset voltage, offset voltage drift, input bias current, and input voltage and current noise. Additional circuitry protects the inputs against overvoltage up to ±40V.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Series	Number of Channels	3 dB Bandwidth	SR - Slew Rate	CMRR - Common Mode Rejection Ratio	Ib - Input Bias Current	Vos - Input Offset Voltage	Supply Voltage - Max	Supply Voltage - Min	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package / Case	Packaging
	Instrumentation Amplifiers High bandwidth (4.7M Hz) low noise (7nV/ A 595-INA821IDRGT INA821IDRGR Texas Instruments 1: $5.94 2,869In Stock	Mfr. Part # INA821IDRGR Mouser Part # 595-INA821IDRGR	Texas Instruments	Instrumentation Amplifiers High bandwidth (4.7M Hz) low noise (7nV/ A 595-INA821IDRGT Learn More about Texas Instruments ti ina821 amplifiers	Datasheet	2,869In Stock	Cut Tape $5.94 $4.54 $4.18 $3.80 View Reel $3.36 $3.63 $3.47 $3.45 $3.36 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000			INA821	1 Channel	4.7 MHz	2 V/us	140 dB	150 pA	35 uV	36 V	4.5 V	600 uA	- 40 C	+ 125 C	SMD/SMT	SON-8	Reel, Cut Tape, MouseReel
	Instrumentation Amplifiers High bandwidth (4.7M Hz) low noise (7nV/ A 595-INA821IDR INA821ID Texas Instruments 1: $7.49 4,419On Order	Mfr. Part # INA821ID Mouser Part # 595-INA821ID	Texas Instruments	Instrumentation Amplifiers High bandwidth (4.7M Hz) low noise (7nV/ A 595-INA821IDR Learn More about Texas Instruments ti ina821 amplifiers	Datasheet	4,419On Order On Order Ship Dates Mfr. #: INA821ID Stock: 0 On Order: 444 Expected 10/16/2026 3,975 Expected 2/21/2028 Factory Lead-Time: 16 Weeks	$7.49 $5.78 $4.97 $4.77 View $4.56 $4.42 $4.31 $4.22 Quote	Min.: 1 Mult.: 1			INA821	1 Channel	4.7 MHz	2 V/us	140 dB	2 nA	35 uV	36 V	4.5 V	600 uA	- 40 C	+ 125 C	SMD/SMT	SOIC-8	Tube
	Instrumentation Amplifiers High bandwidth (4.7M Hz) low noise (7nV/ A 595-INA821IDGKT INA821IDGKR Texas Instruments 1: $6.75 241In Stock	Mfr. Part # INA821IDGKR Mouser Part # 595-INA821IDGKR	Texas Instruments	Instrumentation Amplifiers High bandwidth (4.7M Hz) low noise (7nV/ A 595-INA821IDGKT Learn More about Texas Instruments ti ina821 amplifiers	Datasheet	241In Stock	Cut Tape $6.75 $5.18 $4.79 $4.22 View Reel $3.69 $4.04 $3.98 $3.95 $3.69 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			INA821	1 Channel	30 kHz	2 V/us	140 dB	2 nA	35 uV	36 V	4.5 V	650 uA	- 40 C	+ 125 C	SMD/SMT	VSSOP-8	Reel, Cut Tape, MouseReel
	Instrumentation Amplifiers High bandwidth (4.7M Hz) low noise (7nV/ A 595-INA821IDRGR INA821IDRGT Texas Instruments 1: $7.49 228In Stock 250Expected 10/2/2026	Mfr. Part # INA821IDRGT Mouser Part # 595-INA821IDRGT	Texas Instruments	Instrumentation Amplifiers High bandwidth (4.7M Hz) low noise (7nV/ A 595-INA821IDRGR Learn More about Texas Instruments ti ina821 amplifiers	Datasheet	228In Stock 250Expected 10/2/2026	Cut Tape $7.49 $5.78 $5.36 $4.98 Reel $4.76 View $4.40 $4.29 $4.17 MouseReel Available	Min.: 1 Mult.: 1 : 250			INA821	1 Channel	4.7 MHz	2 V/us	140 dB	150 pA	35 uV	36 V	4.5 V	600 uA	- 40 C	+ 125 C	SMD/SMT	SON-8	Reel, Cut Tape, MouseReel
	Instrumentation Amplifiers High bandwidth (4.7M Hz) low noise (7nV/ A 595-INA821IDGKR INA821IDGKT Texas Instruments 1: $7.49 1,877On Order	Mfr. Part # INA821IDGKT Mouser Part # 595-INA821IDGKT	Texas Instruments	Instrumentation Amplifiers High bandwidth (4.7M Hz) low noise (7nV/ A 595-INA821IDGKR Learn More about Texas Instruments ti ina821 amplifiers	Datasheet	1,877On Order On Order Ship Dates Mfr. #: INA821IDGKT Stock: 0 On Order: 877 Expected 10/14/2026 1,000 Expected 10/15/2026 Factory Lead-Time: 16 Weeks	Cut Tape $7.49 $5.78 $5.36 $4.89 Reel $4.58 View $4.45 $4.33 $4.19 MouseReel Available	Min.: 1 Mult.: 1 : 250			INA821	1 Channel	4.7 MHz	2 V/us	92 dB	2 nA	35 uV	36 V	4.5 V	600 uA	- 40 C	+ 125 C	SMD/SMT	VSSOP-8	Reel, Cut Tape, MouseReel
	Instrumentation Amplifiers High bandwidth (4.7M Hz) low noise (7nV/ A 595-INA821ID INA821IDR Texas Instruments 1: $6.53 2,490Expected 10/29/2026	Mfr. Part # INA821IDR Mouser Part # 595-INA821IDR	Texas Instruments	Instrumentation Amplifiers High bandwidth (4.7M Hz) low noise (7nV/ A 595-INA821ID Learn More about Texas Instruments ti ina821 amplifiers	Datasheet	2,490Expected 10/29/2026	Cut Tape $6.53 $5.01 $4.64 $4.22 View Reel $3.74 $4.04 $3.98 $3.95 $3.74 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500			INA821	1 Channel	4.7 MHz	2 V/us	140 dB	2 nA	35 uV	36 V	4.5 V	600 uA	- 40 C	+ 125 C	SMD/SMT	SOIC-8	Reel, Cut Tape, MouseReel