THS3092DR Equivalent & Substitute Parts

Part Overview

The THS3092DR is a current feedback amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-SOIC surface mount package. This device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The THS3092DR delivers high-speed amplification with a slew rate of 5700 V/µs and gain bandwidth product of 145 MHz, suitable for applications requiring fast transient response and wide bandwidth performance.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Current Feedback	—
Number of Circuits	2	—
Slew Rate	5700	V/µs
Gain Bandwidth Product	145	MHz
-3dB Bandwidth	160	MHz
Current - Input Bias	4	µA
Voltage - Input Offset	900	µV
Current - Supply (x2 Channels)	9.5	mA
Current - Output / Channel	280	mA
Voltage - Supply Span (Min)	10	V
Voltage - Supply Span (Max)	30	V
Operating Temperature	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the THS3092DR is determined by strict alignment of electrical and mechanical parameters. The primary substitution criteria are:

Critical Parameters for Substitution:

Package type: 8-SOIC surface mount form factor
Number of circuits: Dual-channel configuration
Amplifier topology: Current feedback architecture preferred for performance matching
Slew rate: Minimum 350 V/µs to maintain transient response capability
Gain bandwidth product: Minimum 4 MHz for functional compatibility
Supply voltage range: Overlap with 10 V to 30 V span
Operating temperature: Support for -40°C to 85°C minimum

The substitute parts are grouped into two categories based on amplifier type: current feedback devices (HA5023IBZ) and general-purpose amplifiers (BA4558 and BA4560 series, AD746JRZ, AD8512ARZ variants). Current feedback substitutes provide closest performance alignment. General-purpose alternatives offer functional compatibility with reduced performance specifications.

Parameter Comparison

Parameter	THS3092DR	HA5023IBZ	AD746JRZ	AD8512ARZ	BA4560RF-E2	BA4558F-E2
Manufacturer	Texas Instruments	Renesas Electronics	Analog Devices	Analog Devices	Rohm Semiconductor	Rohm Semiconductor
Amplifier Type	Current Feedback	Current Feedback	J-FET	J-FET	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2	2
Slew Rate (V/µs)	5700	350	75	20	4	1.2
Gain Bandwidth Product (MHz)	145	125	13	8	4	2
-3dB Bandwidth (MHz)	160	125	13	—	—	—
Current - Input Bias	4 µA	—	110 pA	25 pA	50 nA	60 nA
Voltage - Input Offset (µV)	900	—	300	100	500	500
Current - Supply	9.5 mA (x2)	7.5 mA	7 mA	2.2 mA (x2)	3 mA	—
Current - Output / Channel (mA)	280	20	25	70	25	10
Voltage - Supply Span (Min)	10 V	±4.75 V	9 V	10 V	8 V	8 V
Voltage - Supply Span (Max)	30 V	±18 V	36 V	30 V	30 V	30 V
Operating Temperature (°C)	-40 to 85	—	0 to 70	-40 to 125	-40 to 105	-40 to 85
Package / Case	8-SOIC (3.90mm)	8-SOIC (3.90mm)	8-SOIC (3.90mm)	8-SOIC (3.90mm)	8-SOIC (4.40mm)	8-SOIC (4.40mm)
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute: HA5023IBZ (Renesas Electronics)

The HA5023IBZ is the closest functional equivalent to the THS3092DR. Both devices employ current feedback amplifier architecture, share identical 8-SOIC (3.90mm) packaging, and maintain dual-circuit configuration. The HA5023IBZ delivers -3dB bandwidth of 125 MHz and slew rate of 350 V/µs, providing performance within acceptable range for most applications previously served by the THS3092DR. The device is active in production status with ROHS3 compliance and unlimited moisture sensitivity rating. Supply voltage range of ±4.75 V to ±18 V accommodates the THS3092DR operating window.

Secondary Substitutes: AD8512ARZ and AD8512ARZ-REEL (Analog Devices)

The AD8512ARZ series offers active product status with extended operating temperature range (-40°C to 125°C), exceeding the THS3092DR specification. These J-FET input amplifiers provide superior input offset voltage (100 µV) and minimal input bias current (25 pA). The 8-SOIC (3.90mm) package matches the original form factor. Supply voltage range of 10 V to 30 V aligns with THS3092DR requirements. Slew rate of 20 V/µs and gain bandwidth product of 8 MHz represent reduced performance compared to the original device but remain suitable for general-purpose amplification. AD8512ARZ-REEL and AD8512ARZ-REEL7 variants provide identical electrical specifications with reel packaging options.

Tertiary Substitutes: BA4560 Series (Rohm Semiconductor)

The BA4560RF-E2, BA4560F-E2, and BA4560F-E1 are general-purpose amplifiers with active product status. These devices feature 8-SOIC packaging (4.40mm width, slightly wider than original), dual circuits, and supply voltage range of 8 V to 30 V. Slew rate of 4 V/µs and gain bandwidth product of 4 MHz to 10 MHz provide reduced performance suitable for lower-frequency applications. Operating temperature range of -40°C to 85°C (BA4560F-E2, BA4560F-E1) or -40°C to 105°C (BA4560RF-E2) meets or exceeds original specifications. These substitutes are appropriate for applications not requiring the high-speed performance of the original device.

Quaternary Substitutes: BA4558 Series (Rohm Semiconductor)

The BA4558F-E2 and BA4558RF-E2 are general-purpose dual-channel amplifiers with active product status and ROHS3 compliance. Package configuration is 8-SOIC (4.40mm width). Slew rate of 1 V/µs to 1.2 V/µs and gain bandwidth product of 2 MHz represent significant performance reduction. These devices are suitable only for low-frequency applications where the THS3092DR performance specifications are not required.

Quaternary Substitute: AD746JRZ (Analog Devices)

The AD746JRZ is a J-FET input amplifier with active product status. Operating temperature range of 0°C to 70°C does not meet the THS3092DR minimum specification of -40°C. This device is suitable only for applications operating within the 0°C to 70°C window. Slew rate of 75 V/µs and gain bandwidth product of 13 MHz provide moderate performance. The 8-SOIC (3.90mm) package matches the original form factor.

All substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity rating, ensuring compatibility with modern manufacturing and environmental standards.

Frequently Asked Questions (FAQ)

Q1: Can the HA5023IBZ directly replace the THS3092DR without circuit modifications?

The HA5023IBZ shares the same 8-SOIC (3.90mm) package and dual-circuit current feedback architecture as the THS3092DR. Pin-to-pin compatibility exists for standard amplifier configurations. However, the HA5023IBZ slew rate of 350 V/µs is significantly lower than the THS3092DR specification of 5700 V/µs. Applications requiring the original high-speed transient response may require circuit redesign or performance verification. Supply voltage compatibility spans the THS3092DR operating range.

Q2: What is the primary difference between current feedback and general-purpose amplifier substitutes?

Current feedback amplifiers (HA5023IBZ) are optimized for high-speed, wide-bandwidth applications with controlled gain-bandwidth product independent of closed-loop gain. General-purpose amplifiers (BA4560, BA4558, AD746, AD8512) employ voltage feedback topology, where gain-bandwidth product is fixed and closed-loop bandwidth decreases with increasing gain. For applications requiring the original THS3092DR high-speed performance, current feedback substitutes are preferred. General-purpose alternatives are suitable for lower-frequency applications.

Q3: Are the BA4560 and BA4558 series suitable for high-speed signal processing?

No. The BA4560 series provides slew rate of 4 V/µs and gain bandwidth product of 4 MHz to 10 MHz. The BA4558 series provides slew rate of 1 V/µs to 1.2 V/µs and gain bandwidth product of 2 MHz. These specifications are appropriate for audio-frequency and low-speed data acquisition applications. Applications requiring slew rates exceeding 100 V/µs or bandwidth exceeding 50 MHz should use the HA5023IBZ or AD8512ARZ series.

Q4: Does package width difference between 3.90mm and 4.40mm affect PCB layout compatibility?

The BA4560 and BA4558 series use 8-SOIC packages with 4.40mm width, compared to 3.90mm width for the THS3092DR, HA5023IBZ, and AD8512ARZ. This 0.5mm difference may require PCB footprint adjustment. Pin pitch and lead spacing remain standard 8-SOIC configuration. Verify PCB layout clearances and component spacing before substitution. The HA5023IBZ and AD8512ARZ series maintain identical 3.90mm package width, eliminating layout concerns.

Q5: Which substitute part offers the best operating temperature range?

The AD8512ARZ and AD8512ARZ-REEL variants provide operating temperature range of -40°C to 125°C, exceeding the THS3092DR specification of -40°C to 85°C. The BA4560RF-E2 extends to -40°C to 105°C. The AD746JRZ is limited to 0°C to 70°C and does not meet the original minimum temperature requirement. For applications requiring extended high-temperature operation, the AD8512ARZ series is recommended.

Q6: What is the inventory status of substitute parts?

Current inventory levels are: AD8512ARZ-REEL7 (30,300 pcs), BA4560RF-E2 (330,900 pcs), BA4558F-E2 (165,200 pcs), BA4560F-E2 (156,523 pcs), AD8512ARZ (12,423 pcs), BA4558RF-E2 (35,200 pcs), AD8512ARZ-REEL (16,600 pcs), HA5023IBZ (1,431 pcs), BA4560F-E1 (2,212 pcs), and AD746JRZ (2,113 pcs). High-volume applications should prioritize BA4560RF-E2 or BA4558F-E2. Performance-critical applications should confirm HA5023IBZ availability.

Q7: Are all substitute parts RoHS3 compliant?

Yes. All substitute parts listed—HA5023IBZ, AD746JRZ, AD8512ARZ series, BA4560 series, and BA4558 series—are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1). All devices are REACH unaffected and classified under ECCN EAR99 and HTSUS 8542.33.0001.

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