LT1813CS8#PBF Equivalent & Substitute Parts

Part Overview

The LT1813CS8#PBF is a voltage feedback amplifier integrated circuit manufactured by Analog Devices Inc., containing two independent circuits in an 8-SOIC surface mount package. This device is classified as a linear amplifier and maintains Active product status. The LT1813CS8#PBF is specified for applications requiring dual-channel voltage feedback amplification with moderate slew rate and bandwidth characteristics. Equivalent and substitute parts are identified to support design flexibility, inventory management, and supply chain continuity while maintaining electrical and mechanical compatibility within specified parameter ranges.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	2	—
Slew Rate	750	V/µs
Gain Bandwidth Product	100	MHz
-3dB Bandwidth	200	MHz
Current - Input Bias	900	nA
Voltage - Input Offset	500	µV
Current - Supply (per 2 Channels)	3	mA
Current - Output / Channel	60	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	12.6	V
Operating Temperature Range	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the LT1813CS8#PBF are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents share identical or functionally equivalent electrical specifications across all critical parameters: amplifier type (voltage feedback), number of circuits (2), slew rate (750 V/µs), gain bandwidth product (100 MHz), -3dB bandwidth (200 MHz), input bias current (900 nA), input offset voltage (500 µV), supply current (3 mA per 2 channels), output current per channel (60 mA), supply voltage range (2.5 V to 12.6 V), and operating temperature range (-40°C to 85°C). These parts maintain the same 8-SOIC package footprint and surface mount configuration. Parametric equivalents include LT1813HVCS8#PBF, LT1813HVIS8#PBF, and LT1813IS8#PBF, all manufactured by Analog Devices Inc. under the LT® series.

Similar Parts possess the same package footprint and mounting type but exhibit variations in one or more electrical parameters. These variations may include different slew rates, gain bandwidth products, -3dB bandwidth values, input bias currents, input offset voltages, supply currents, output currents, or supply voltage ranges. Similar parts are suitable for applications where the specific electrical performance differences do not conflict with circuit requirements. Similar parts include OPA2614ID, OPA2614IDR, OPA2652U, OPA2652U/2K5, OPA2822U, OPA2822U/2K5, and OPA2889IDR from Texas Instruments.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Circuits	Slew Rate (V/µs)	GBW (MHz)	-3dB BW (MHz)	Input Bias (nA)	Input Offset (µV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Package
LT1813CS8#PBF	Analog Devices	Voltage Feedback	2	750	100	200	900	500	3	60	2.5	12.6	8-SOIC
LT1813HVCS8#PBF	Analog Devices	Voltage Feedback	2	750	100	200	900	500	3	60	2.5	12.6	8-SOIC
LT1813HVIS8#PBF	Analog Devices	Voltage Feedback	2	750	100	200	900	500	3	60	2.5	12.6	8-SOIC
LT1813IS8#PBF	Analog Devices	Voltage Feedback	2	750	100	200	900	500	3	60	2.5	12.6	8-SOIC
OPA2614ID	Texas Instruments	Voltage Feedback	2	145	290	180	6000	200	12	350	5	12	8-SOIC
OPA2614IDR	Texas Instruments	Voltage Feedback	2	145	290	180	6000	200	12	350	5	12	8-SOIC
OPA2652U	Texas Instruments	Voltage Feedback	2	335	200	700	4000	1500	11	140	6	12	8-SOIC
OPA2652U/2K5	Texas Instruments	Voltage Feedback	2	335	200	700	4000	1500	11	140	6	12	8-SOIC
OPA2822U	Texas Instruments	General Purpose	2	170	240	400	9000	200	9.6	150	4	12.6	8-SOIC
OPA2822U/2K5	Texas Instruments	General Purpose	2	170	240	400	9000	200	9.6	150	4	12.6	8-SOIC
OPA2889IDR	Texas Instruments	Voltage Feedback	2	250	75	115	150	1500	0.92	60	2.6	12	8-SOIC

Engineering Selection Recommendations

Parametric Equivalent Selection

The parts LT1813HVCS8#PBF, LT1813HVIS8#PBF, and LT1813IS8#PBF are direct parametric equivalents to the LT1813CS8#PBF. All four parts are manufactured by Analog Devices Inc., maintain Active product status, comply with ROHS3 standards, and are REACH Unaffected. These parts are electrically and mechanically interchangeable within the same circuit design without modification. Selection among these equivalents may be based on packaging format (Tube or Tape & Reel), inventory availability, or specific temperature grade requirements indicated by the suffix designation (CS, HV, or IS).

Similar Part Selection

Similar parts from Texas Instruments (OPA2614ID, OPA2614IDR, OPA2652U, OPA2652U/2K5, OPA2822U, OPA2822U/2K5, OPA2889IDR) are suitable for applications where electrical parameter variations do not conflict with circuit design specifications. All similar parts maintain the 8-SOIC package footprint, surface mount configuration, Active product status, ROHS3 compliance, and REACH Unaffected status. Selection of similar parts requires verification that the specific electrical differences—including slew rate, gain bandwidth product, -3dB bandwidth, input bias current, input offset voltage, supply current, output current, and supply voltage range—are compatible with the intended application.

OPA2614ID and OPA2614IDR feature differential output configuration and higher gain bandwidth product (290 MHz) compared to the LT1813CS8#PBF (100 MHz), with reduced slew rate (145 V/µs) and increased input bias current (6 µA). These characteristics suit applications requiring higher frequency response and differential signal processing.

OPA2652U and OPA2652U/2K5 provide higher slew rate (335 V/µs), higher gain bandwidth product (200 MHz), and extended -3dB bandwidth (700 MHz), with increased input offset voltage (1.5 mV) and reduced supply current (11 mA). These characteristics support high-speed signal conditioning applications.

OPA2822U and OPA2822U/2K5 are general-purpose amplifiers with moderate slew rate (170 V/µs), gain bandwidth product (240 MHz), and -3dB bandwidth (400 MHz). These parts extend the minimum supply voltage to 4 V and maintain compatibility with the maximum supply voltage of 12.6 V.

OPA2889IDR is optimized for low-power applications with reduced supply current (0.92 mA per 2 channels) and lower gain bandwidth product (75 MHz), suitable for battery-powered or power-constrained designs.

Frequently Asked Questions (FAQ)

Q: Can I directly replace LT1813CS8#PBF with LT1813HVCS8#PBF or LT1813IS8#PBF?

A: Yes. LT1813HVCS8#PBF, LT1813HVIS8#PBF, and LT1813IS8#PBF are parametric equivalents with identical electrical specifications and the same 8-SOIC package footprint. Direct substitution is supported without circuit modification. Differences between these parts relate to packaging format (Tube or Tape & Reel) and temperature grade designation.

Q: What are the key differences between the LT1813CS8#PBF and OPA2652U?

A: The OPA2652U exhibits higher slew rate (335 V/µs vs. 750 V/µs for LT1813CS8#PBF), higher gain bandwidth product (200 MHz vs. 100 MHz), and extended -3dB bandwidth (700 MHz vs. 200 MHz). The OPA2652U has increased input offset voltage (1.5 mV vs. 500 µV) and reduced supply current (11 mA vs. 3 mA per 2 channels). The minimum supply voltage for OPA2652U is 6 V, compared to 2.5 V for LT1813CS8#PBF. Selection depends on whether the application requires the higher bandwidth and slew rate performance of the OPA2652U.

Q: Is the OPA2614ID suitable as a substitute for the LT1813CS8#PBF?

A: OPA2614ID is mechanically compatible (8-SOIC package) but exhibits significant electrical differences. OPA2614ID features differential output configuration, lower slew rate (145 V/µs), higher gain bandwidth product (290 MHz), higher input bias current (6 µA), and higher output current capability (350 mA). Substitution is appropriate only if the application requirements align with these electrical characteristics and the differential output configuration is compatible with the circuit design.

Q: What is the difference between OPA2652U and OPA2652U/2K5?

A: OPA2652U and OPA2652U/2K5 are electrically identical. The primary difference is packaging format: OPA2652U is supplied in Tube packaging, while OPA2652U/2K5 is supplied in Tape & Reel (TR) format. Selection is based on assembly process requirements and inventory management preferences.

Q: Can I use OPA2822U in place of LT1813CS8#PBF?

A: OPA2822U is a general-purpose amplifier with different electrical characteristics than the voltage feedback LT1813CS8#PBF. OPA2822U features lower slew rate (170 V/µs), higher gain bandwidth product (240 MHz), higher -3dB bandwidth (400 MHz), and higher input bias current (9 µA). The minimum supply voltage is 4 V instead of 2.5 V. Substitution is appropriate only if the application requirements are compatible with these electrical differences and the general-purpose amplifier classification.

Q: What is the significance of the MSL (Moisture Sensitivity Level) rating?

A: LT1813CS8#PBF has MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling. Substitute parts from Texas Instruments have MSL 2 (1 Year), requiring controlled storage conditions and limiting shelf life to one year from the date of manufacture. This difference affects inventory management, storage protocols, and component handling procedures.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed—LT1813HVCS8#PBF, LT1813HVIS8#PBF, LT1813IS8#PBF, OPA2614ID, OPA2614IDR, OPA2652U, OPA2652U/2K5, OPA2822U, OPA2822U/2K5, and OPA2889IDR—are ROHS3 Compliant and REACH Unaffected, meeting environmental and regulatory compliance requirements.

Q: What is the difference between Tube and Tape & Reel packaging?

A: Tube packaging supplies components in plastic tubes suitable for manual handling and small-quantity assembly. Tape & Reel (TR) packaging supplies components on continuous tape wound on reels, optimized for automated pick-and-place assembly equipment. Selection depends on manufacturing process capabilities and assembly volume requirements.

Q: Which substitute part offers the lowest power consumption?

A: OPA2889IDR provides the lowest supply current at 0.92 mA per 2 channels, compared to 3 mA for LT1813CS8#PBF. OPA2889IDR is optimized for low-power applications where reduced current consumption is a design requirement. However, OPA2889IDR has lower gain bandwidth product (75 MHz) and -3dB bandwidth (115 MHz), which may limit high-frequency performance.

Q: Can I use OPA2614IDR instead of OPA2614ID?

A: Yes. OPA2614IDR and OPA2614ID are electrically identical. The difference is packaging format: OPA2614ID is supplied in Tube packaging, while OPA2614IDR is supplied in Tape & Reel (TR) format. Selection is based on assembly process requirements.

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