INA217AIPG4 Equivalent & Substitute Parts

Part Overview

The INA217AIPG4 is an instrumentation amplifier manufactured by Texas Instruments, featuring a single circuit in an 8-PDIP through-hole package. This device is classified as obsolete, with 907 pieces currently in stock. The INA217AIPG4 operates across a supply voltage range of 9V to 36V and is designed for precision signal conditioning applications requiring low input offset voltage and controlled slew rate characteristics. Due to its obsolete status, equivalent and substitute parts are necessary for new designs, long-term availability assurance, and performance optimization in specific application requirements.

Key Parameters

Parameter	INA217AIPG4 Value
Amplifier Type	Instrumentation
Number of Circuits	1
Slew Rate	15 V/µs
-3dB Bandwidth	3.4 MHz
Current - Input Bias	2 µA
Voltage - Input Offset	50 µV
Current - Supply	10 mA
Current - Output / Channel	60 mA
Voltage - Supply Span (Min)	9 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Through Hole
Package / Case	8-DIP (0.300", 7.62mm)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the INA217AIPG4 is determined by the following critical parameters: amplifier type (instrumentation), number of circuits (1), package type (8-DIP through-hole), supply voltage range compatibility (minimum 9V to maximum 36V), operating temperature range, and electrical performance specifications including slew rate, bandwidth, input bias current, input offset voltage, and output current capability.

The substitute parts are grouped into two categories:

Category 1: Through-Hole 8-DIP Package Substitutes (Direct Package Compatibility) These parts maintain the same through-hole 8-DIP (0.300", 7.62mm) package format, enabling direct board-level replacement without PCB redesign. This category includes AD621ANZ, AD621BNZ, LT1167ACN8#PBF, LT1167AIN8#PBF, LT1167CN8#PBF, LT1167IN8#PBF, LT1168ACN8#PBF, LT1920CN8#PBF, and LT1920IN8#PBF.

Category 2: Surface-Mount Alternative (INA849DR) This part offers enhanced electrical performance in an 8-SOIC surface-mount package, suitable for applications where PCB redesign is acceptable and improved specifications are beneficial.

Substitution eligibility requires: (1) instrumentation amplifier topology, (2) single circuit configuration, (3) supply voltage range encompassing the original 9V to 36V specification, (4) compatible operating temperature range, and (5) electrical parameters within acceptable application tolerances.

Parameter Comparison

Parameter	INA217AIPG4	AD621ANZ	AD621BNZ	LT1167AIN8#PBF	LT1167CN8#PBF	LT1167IN8#PBF	LT1168ACN8#PBF	LT1920CN8#PBF	LT1920IN8#PBF	INA849DR
Amplifier Type	Instrumentation	Instrumentation	Instrumentation	Instrumentation	Instrumentation	Instrumentation	Instrumentation	Instrumentation	Instrumentation	Instrumentation
Number of Circuits	1	1	1	1	1	1	1	1	1	1
Slew Rate	15 V/µs	1.2 V/µs	1.2 V/µs	1.2 V/µs	1.2 V/µs	1.2 V/µs	0.5 V/µs	1.2 V/µs	1.2 V/µs	35 V/µs
-3dB Bandwidth	3.4 MHz	800 kHz	800 kHz	1 MHz (GBW)	1 MHz (GBW)	1 MHz (GBW)	400 kHz (GBW)	1 MHz (GBW)	1 MHz (GBW)	1.25 MHz
Current - Input Bias	2 µA	500 pA	500 pA	50 pA	80 pA	80 pA	40 pA	500 pA	500 pA	20 pA
Voltage - Input Offset	50 µV	75 µV	50 µV	15 µV	20 µV	20 µV	15 µV	30 µV	30 µV	10 µV
Current - Supply	10 mA	900 µA	900 µA	900 µA	900 µA	900 µA	350 µA	900 µA	900 µA	6.2 mA
Current - Output / Channel	60 mA	18 mA	18 mA	27 mA	Not specified	27 mA	32 mA	Not specified	27 mA	34 mA
Voltage - Supply Span (Min)	9 V	4.6 V	4.6 V	4.6 V	4.6 V	4.6 V	4.6 V	4.6 V	4.6 V	8 V
Voltage - Supply Span (Max)	36 V	36 V	36 V	36 V	36 V	36 V	36 V	36 V	36 V	36 V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 125°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Surface Mount
Package / Case	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-SOIC (0.154", 3.90mm)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	2 (1 Year)

Engineering Selection Recommendations

For Direct Through-Hole Package Replacement:

Select AD621BNZ or LT1167AIN8#PBF for applications requiring direct pin-compatible substitution in the 8-DIP through-hole package. AD621BNZ maintains the -40°C to 85°C operating temperature range matching the INA217AIPG4 and offers improved input offset voltage specification (50 µV). LT1167AIN8#PBF provides superior input bias current performance (50 pA) and extended output current capability (27 mA) while maintaining full temperature range operation.

For Low-Power Applications:

LT1168ACN8#PBF is suitable for power-constrained designs, consuming only 350 µA supply current compared to the INA217AIPG4's 10 mA. This part operates within the 0°C to 70°C temperature range and provides 32 mA output current capability.

For High-Speed Applications:

INA849DR offers superior slew rate (35 V/µs) and bandwidth (1.25 MHz) performance in an 8-SOIC surface-mount package. This part requires PCB redesign but provides enhanced dynamic response characteristics and operates across an extended temperature range (-40°C to 125°C). The INA849DR demonstrates improved input bias current (20 pA) and input offset voltage (10 µV) specifications.

For Active Product Status and Long-Term Availability:

All substitute parts listed carry active product status, ensuring continued manufacturing support and availability. All parts maintain ROHS3 compliance and are suitable for new design implementations.

Frequently Asked Questions (FAQ)

Q1: Can I directly replace INA217AIPG4 with any of the through-hole 8-DIP substitutes without PCB modification?

A: Yes. All through-hole 8-DIP package substitutes (AD621ANZ, AD621BNZ, LT1167ACN8#PBF, LT1167AIN8#PBF, LT1167CN8#PBF, LT1167IN8#PBF, LT1168ACN8#PBF, LT1920CN8#PBF, and LT1920IN8#PBF) share identical pin spacing (0.300", 7.62mm) and can be inserted into existing DIP sockets or through-hole footprints. However, electrical performance differences require circuit validation.

Q2: What are the key electrical differences between INA217AIPG4 and its substitutes?

A: The primary differences are slew rate, bandwidth, input bias current, and supply current. INA217AIPG4 provides 15 V/µs slew rate and 3.4 MHz bandwidth, which exceed most substitutes. Conversely, substitutes offer superior input bias current (as low as 20 pA in INA849DR versus 2 µA in INA217AIPG4) and lower supply current consumption. Input offset voltage specifications range from 10 µV to 75 µV across the substitute family.

Q3: Is INA849DR a suitable replacement if I can redesign my PCB?

A: INA849DR is suitable for applications where surface-mount technology is acceptable and enhanced performance is beneficial. This part offers the highest slew rate (35 V/µs), lowest input offset voltage (10 µV), and extended operating temperature range (-40°C to 125°C). The 8-SOIC package requires PCB layout redesign and different assembly processes.

Q4: Which substitute offers the best match for low-power applications?

A: LT1168ACN8#PBF consumes only 350 µA supply current, representing a 97% reduction compared to INA217AIPG4's 10 mA consumption. This part is optimized for battery-powered and energy-constrained systems. Operating temperature range is limited to 0°C to 70°C.

Q5: Are all substitutes RoHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification, meeting environmental and regulatory requirements equivalent to the original INA217AIPG4.

Q6: What is the moisture sensitivity level difference between INA217AIPG4 and INA849DR?

A: INA217AIPG4 carries MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. INA849DR carries MSL 2 (1 Year), requiring controlled storage conditions and bake-out procedures before reflow soldering if the part has been exposed to ambient humidity for extended periods.

Q7: Which substitutes maintain the full -40°C to 85°C operating temperature range?

A: AD621ANZ, AD621BNZ, LT1167AIN8#PBF, LT1167IN8#PBF, LT1920IN8#PBF, and INA849DR all support the -40°C to 85°C temperature range. LT1167ACN8#PBF, LT1167CN8#PBF, LT1168ACN8#PBF, and LT1920CN8#PBF are limited to 0°C to 70°C operation.

Q8: Can I use a substitute with a narrower temperature range in a -40°C to 85°C application?

A: No. Parts rated for 0°C to 70°C operation are not qualified for the full -40°C to 85°C temperature range and must not be used in applications requiring extended temperature operation.

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