AD812ANZ Equivalent & Substitute Parts

Part Overview

The AD812ANZ is a dual-channel current feedback amplifier manufactured by Analog Devices Inc., housed in an 8-DIP through-hole package. This linear amplifier is designed for video and high-speed applications requiring current feedback topology. The device is active and in production, with RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the same package form factor and mounting type, ensuring direct board-level replacement capability.

Key Parameters

Parameter	Value
Manufacturer Part Number	AD812ANZ
Manufacturer	Analog Devices Inc.
Category	Linear, Amplifiers
Package / Case	8-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
Number of Circuits	2
-3dB Bandwidth	145 MHz
Slew Rate	1600 V/µs
Current - Supply	4.5 mA
Current - Output / Channel	50 mA
Voltage - Supply, Single/Dual (±)	2.4V ~ 36V, ±1.2V ~ 18V
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the AD812ANZ are selected based on strict compatibility criteria within the 8-DIP through-hole package form factor. The primary substitution parameters are:

Mechanical Compatibility:

Package / Case: 8-DIP (0.300", 7.62mm)
Mounting Type: Through Hole
Supplier Device Package: 8-PDIP

Electrical Compatibility:

Number of Circuits: 2 (dual-channel requirement)
Current - Output / Channel: 50 mA or greater
Voltage - Supply Span: Minimum 2.5V to 3V, Maximum 30V to 36V
Product Status: Active

The substitute parts identified operate as general-purpose amplifiers within the same package envelope. While the AD812ANZ is optimized for current feedback topology with high bandwidth (145 MHz) and slew rate (1600 V/µs), substitute parts from Analog Devices (LT series) and Texas Instruments (LM series) provide alternative performance characteristics suitable for applications where the specific current feedback architecture is not required. All substitutes maintain through-hole DIP packaging, dual-channel configuration, and compatible supply voltage ranges.

Parameter Comparison

Part Number	Manufacturer	Number of Circuits	Slew Rate	Current - Supply	Current - Output / Channel	Voltage - Supply Span (Min)	Voltage - Supply Span (Max)	Package / Case	Mounting Type	Product Status
AD812ANZ	Analog Devices Inc.	2	1600 V/µs	4.5 mA	50 mA	2.4V (±1.2V)	36V (±18V)	8-DIP (0.300", 7.62mm)	Through Hole	Active
LT1211CN8#PBF	Analog Devices Inc.	2	7 V/µs	3.6 mA	50 mA	2.5V	36V	8-DIP (0.300", 7.62mm)	Through Hole	Active
LT1213ACN8#PBF	Analog Devices Inc.	2	12 V/µs	6.8 mA	50 mA	2.5V	36V	8-DIP (0.300", 7.62mm)	Through Hole	Active
LT1213CN8#PBF	Analog Devices Inc.	2	12 V/µs	6.8 mA	50 mA	2.5V	36V	8-DIP (0.300", 7.62mm)	Through Hole	Active
LT1215ACN8#PBF	Analog Devices Inc.	2	50 V/µs	9.5 mA	50 mA	2.5V	36V	8-DIP (0.300", 7.62mm)	Through Hole	Active
LT1215CN8#PBF	Analog Devices Inc.	2	50 V/µs	9.5 mA	50 mA	2.5V	36V	8-DIP (0.300", 7.62mm)	Through Hole	Active
LT1492CN8#PBF	Analog Devices Inc.	2	3 V/µs	1 mA	55 mA	2.5V	36V	8-DIP (0.300", 7.62mm)	Through Hole	Active
LM258AP	Texas Instruments	2	0.3 V/µs	1 mA	40 mA	3V	32V	8-DIP (0.300", 7.62mm)	Through Hole	Active
LM258P	Texas Instruments	2	0.3 V/µs	1 mA	40 mA	3V	32V	8-DIP (0.300", 7.62mm)	Through Hole	Active
LM358AN/NOPB	Texas Instruments	2	Not Specified	2 mA	40 mA	3V	32V	8-DIP (0.300", 7.62mm)	Through Hole	Active
LM358AP	Texas Instruments	2	0.3 V/µs	1 mA	40 mA	3V	30V	8-DIP (0.300", 7.62mm)	Through Hole	Active

Engineering Selection Recommendations

All identified substitute parts maintain active product status and RoHS3 compliance, ensuring long-term availability and regulatory conformance equivalent to the AD812ANZ. Selection among substitutes depends on application-specific performance requirements:

For High-Speed Applications (Bandwidth-Critical): LT1213ACN8#PBF and LT1213CN8#PBF provide 28 MHz gain-bandwidth product with 12 V/µs slew rate, suitable for applications requiring faster response than general-purpose amplifiers but lower bandwidth than the AD812ANZ current feedback design.

For Moderate-Speed Applications: LT1215ACN8#PBF and LT1215CN8#PBF deliver 50 V/µs slew rate with 23 MHz gain-bandwidth product, bridging performance between low-speed and high-speed requirements.

For Low-Power Applications: LT1211CN8#PBF and LT1492CN8#PBF consume minimal supply current (3.6 mA and 1 mA respectively), appropriate for battery-powered or power-constrained designs.

For Cost-Optimized Applications: LM258AP, LM258P, LM358AN/NOPB, and LM358AP from Texas Instruments provide general-purpose amplification with established market availability and lower cost profiles. These devices operate within reduced bandwidth specifications (700 kHz to 1 MHz) and are suitable for applications not requiring the high-speed characteristics of the AD812ANZ.

All substitutes are packaged in 8-DIP through-hole form factor, enabling direct board-level replacement without layout modification.

Frequently Asked Questions (FAQ)

Q: Can the AD812ANZ be directly replaced with any of the listed substitute parts?

A: Direct replacement is possible only when application requirements permit performance trade-offs. The AD812ANZ is optimized for current feedback topology with 145 MHz bandwidth and 1600 V/µs slew rate. Substitute parts operate as general-purpose amplifiers with lower bandwidth and slew rate specifications. Verify that the substitute part's electrical performance meets application requirements before implementation.

Q: What is the primary difference between the AD812ANZ and the LT1213 series substitutes?

A: The AD812ANZ employs current feedback architecture optimized for video and high-speed applications, delivering 145 MHz bandwidth and 1600 V/µs slew rate. The LT1213 series uses voltage feedback topology with 28 MHz gain-bandwidth product and 12 V/µs slew rate. Both maintain 8-DIP packaging and dual-channel configuration, but differ fundamentally in amplifier topology and performance envelope.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts carry RoHS3 compliance certification, matching the regulatory status of the AD812ANZ. This ensures equivalent environmental and material composition standards.

Q: What supply voltage range is common across all substitutes?

A: The minimum common supply voltage is 2.5V (LT series) to 3V (LM series). The maximum common supply voltage is 30V to 36V. The AD812ANZ supports ±1.2V to ±18V dual supply operation, while most substitutes support single supply operation from 2.5V to 36V. Verify specific supply voltage requirements for your application.

Q: Do all substitute parts maintain 50 mA output current per channel?

A: The AD812ANZ and most LT series substitutes (LT1211, LT1213, LT1215) deliver 50 mA per channel. The LT1492CN8#PBF provides 55 mA per channel. Texas Instruments LM258 and LM358 series deliver 40 mA per channel. Confirm output current requirements before substitution.

Q: Is the 8-DIP package identical across all parts?

A: Yes. All parts use 8-DIP (0.300", 7.62mm) through-hole packaging with 8-PDIP supplier device package designation. Pin-to-pin compatibility is maintained, enabling direct socket replacement without PCB modification.

Q: Which substitute offers the lowest power consumption?

A: The LT1492CN8#PBF consumes 1 mA total supply current (500 µA per channel), the lowest among all substitutes. This device is suitable for power-constrained applications where bandwidth requirements do not exceed 5 MHz.

Q: Can the AD812ANZ be substituted in applications requiring current feedback topology?

A: No. The substitute parts listed operate as general-purpose voltage feedback amplifiers. Applications specifically requiring current feedback topology must use the AD812ANZ or equivalent current feedback devices. Current feedback topology provides distinct advantages in transimpedance and transresistance configurations not replicated by voltage feedback substitutes.

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