LTC6406IMS8E - 3 GHz Differential Amplifier | Analog Devices
MPN: LTC6406IMS8E ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.9931 | $9.99 |
| 10 | $9.9931 | $99.93 |
| 100 | $9.9931 | $999.31 |
| 500 | $9.9931 | $4,996.55 |
| 1,000 | $9.9931 | $9,993.10 |
LTC6406IMS8E Overview
A fully differential amplifier is an active signal-conditioning circuit that amplifies the difference between two input voltages while providing differential outputs. This device family sits between low-level sensors or converters and downstream ADC front ends, combining differential gain, common-mode voltage control, and high-speed operation in one package. The rail-to-rail input common-mode range helps accommodate signals near the supply rails, while VOCM provides an independent output bias control for system-level signal-chain alignment.
The verified manufacturer material identifies the LTC6406 as a low-noise, low-distortion, fully differential input/output amplifier for 3 V operation and lists a 3 GHz bandwidth-related feature. Search results also identify the LTC6406IMS8E#PBF ordering code as an 8-MSOP-EP package variant. The industrial-temperature suffix and package suffix should be confirmed against the exact datasheet ordering table before production release, especially when exposed-pad thermal construction is involved.
The architecture is appropriate for high-speed ADC interfaces, differential signal chains, communications receivers, and instrumentation where the source is differential. VOCM can be driven from a common-mode reference or filtered control network, helping set the output bias independently of the input signal. The main engineering checks are stability with the selected gain setting, proper treatment of the exposed pad, input/output return-loss considerations, and confirmation that the output common-mode range matches the receiving ADC.
Because the product is marked LAST TIME BUY on the Analog Devices product page, procurement should treat it as a lifecycle-constrained item rather than a routine new-design choice. Designers should compare current availability, inspect the manufacturer datasheet and application information, and validate a qualified replacement before committing new production volumes. This page combines verified source snippets, lifecycle information, procurement caveats, and design-oriented guidance for engineers evaluating the LTC6406.
Drop-in alternatives for LTC6406IMS8E — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
LTC6406IMS8E#PBF
✅ Drop-In📋 Reference alternative (not in catalog)
LTC6406IMS8E#TRPBF
✅ Drop-In📋 Reference alternative (not in catalog)
LTC6406IMS8E Maximum Ratings & Electrical Characteristics
| Product Type | Fully differential amplifier/driver |
| Nominal Bandwidth | 3 GHz |
| Supply Operation | 3 V single supply |
| Input Common-Mode Range | Rail-to-rail |
| Output Common-Mode Control | Independently adjustable through VOCM pin |
| Package | 8-lead MSOP-EP |
| Differential Input/Output | Fully differential input/output |
| Noise Classification | Low noise |
| Distortion Classification | Low distortion |
| Industrial Temperature Range | -40°C to +85°C |
| Nominal Supply Current | 18 mA |
| Shutdown Current | 300 µA |
| Shutdown Feature | Hardware shutdown |
| Terminal Count | 8 |
| Mounting Type | Surface mount |
LTC6406IMS8E 8-lead msop-ep Pin Configuration Guide
Pin configuration for LTC6406IMS8E (8-lead msop-ep package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for LTC6406IMS8E.
Refer to the datasheet for full pin configuration.
Typical Applications
LTC6406IMS8E is suitable for 6 applications: High-Speed ADC Signal Conditioning, Communications Receiver Front End, Data-Acquisition Instrumentation, Balanced Audio and Low-Level Analog, Industrial Sensor Signal Conditioning, Portable Test and Measurement Equipment.
High-Speed ADC Signal Conditioning
The LTC6406IMS8E is well suited to differential ADC front ends because the verified manufacturer description identifies a 3 GHz-class, low-noise fully differential amplifier/driver with rail-to-rail input common mode and independently adjustable VOCM. Place it between the analog source and the ADC input, using VOCM to establish the ADC’s required common-mode level. Keep the differential routes short and symmetric, and confirm ADC input impedance, gain, bandwidth, noise, distortion, and output-swing limits against the complete datasheet.
Recommended
Communications Receiver Front End
For communications receivers, the LTC6406IMS8E provides a dedicated differential amplifier/driver function with a 3 GHz bandwidth figure and VOCM-based output bias control. It can condition balanced IF or baseband signals while preserving differential signal integrity. Use short, impedance-controlled traces and select the gain and output common-mode voltage for the receiver ADC or mixer interface; verify return loss, channel balance, and stability in the completed layout.
Recommended
Data-Acquisition Instrumentation
The LTC6406IMS8E is appropriate for precision data-acquisition systems requiring a fully differential signal path and rail-to-rail input common-mode capability. Its low-noise, low-distortion positioning helps preserve small-signal information before digitization, while VOCM provides a controlled output bias for the acquisition stage. Designers should budget for the approximately 18 mA operating current identified in the source data and confirm shutdown behavior, exposed-pad thermal handling, and ADC compatibility.
Recommended
Balanced Audio and Low-Level Analog
The fully differential topology can be used for balanced low-level analog signal conditioning when common-mode control and differential balance are important. The rail-to-rail input range allows the source to operate close to the supply limits, while VOCM allows the output bias to be aligned with a downstream converter. Actual audio suitability depends on the required bandwidth, noise density, distortion, gain, and output swing; these values must be checked in the manufacturer datasheet before committing to a specific audio topology.
Recommended
Industrial Sensor Signal Conditioning
For industrial sensors producing differential outputs, the LTC6406IMS8E provides a high-speed, low-noise differential path while VOCM helps align the output to a downstream ADC. The verified industrial temperature information of -40°C to +85°C is relevant to equipment operating across ordinary industrial environments. Apply input protection and filtering ahead of the amplifier, maintain common-impedance control, and validate offset, gain stability, noise, and calibration behavior over the required temperature range.
Recommended
Portable Test and Measurement Equipment
The LTC6406IMS8E can serve as a high-speed differential driver in portable instrumentation where a compact surface-mount package and controllable output common mode are useful. The 3 V single-supply focus suits battery- or low-voltage-derived systems, while shutdown can reduce consumption to approximately 300 µA according to the verified source information. Account for power-supply rejection, board-level thermal rise, grounding, and the relatively high operating current when estimating battery life.
Recommended
Recommended Products Summary
Engineering reference data for LTC6406IMS8E — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | LTC6406IMS8E#PBF | LTC6406IMS8E#TRPBF |
|---|---|---|---|
| Package | 8-MSOP-EP | 8-MSOP-EP | 8-MSOP-EP, tape-and-reel ordering context |
| Brand | Analog Devices | Analog Devices | Analog Devices |
| Bandwidth | 3 GHz | 3 GHz | 3 GHz |
| Supply | 3 V single supply | 3 V single supply | 3 V single supply |
| Input Common Mode | Rail-to-rail | Rail-to-rail | Rail-to-rail |
| Output Common Mode | VOCM adjustable | VOCM adjustable | VOCM adjustable |
| Operating Current | 18 mA | 18 mA | 18 mA |
| Shutdown Current | 300 µA | 300 µA | 300 µA |
| Lifecycle Status | Last time buy | Last time buy family context | Last time buy family context |
Key Differentiators
- Dedicated 3 GHz differential ADC-driver positioning (vs LTC6247IKC)
- Independent output common-mode adjustment (vs LTC6247IKC)
- Rail-to-rail input common mode (vs LTC6406IMS8E#PBF)
Design Notes
Use a short, symmetric differential layout for both inputs and outputs. Keep the gain-setting network close to the relevant pins, and place supply bypass capacitors at the device pins rather than at a remote supply entry point. The 3 GHz bandwidth figure means trace geometry, return paths, impedance, and parasitic capacitance can materially affect stability and signal integrity.
Estimated: with the verified operating current of approximately 18 mA and a 3 V supply, the device supply power is approximately 0.054 W before adding external-load dissipation. That estimate does not include AC output swing, PCB copper heat spreading, or adjacent-circuit losses. Use the exact operating mode from the datasheet and thermal package data for a final thermal design.
Do not select a replacement based only on the LTC6406 family name or the 8-MSOP package. Verify pin names, exposed-pad connection, VOCM range, output swing, gain stability, supply tolerances, shutdown polarity, temperature grade, and lifecycle status. Because the product is marked LAST TIME BUY, also confirm authorized sourcing and lot traceability before production commitment.
Compliance Information
The supplied search data includes a #PBF ordering code, which commonly indicates a lead-free package marking, but the official compliance statements were not provided. RoHS, REACH, halogen-free, conflict-minerals, and automotive qualification status remain unknown from the verified material.
