LTC6405IMS8E#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
LTC6405IMS8E#TRPBF is a 2.7 GHz unity-gain bandwidth, low-noise, rail-to-rail input differential amplifier and ADC driver operating from a 5 V supply with 750 MHz -3 dB bandwidth. It delivers 75 dB typical CMRR and is packaged in a compact MS8E footprint for high-speed signal chain applications.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LTC6405IMS8E#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 2.7 GHz unity-gain bandwidth for wideband signal paths
- 750 MHz -3 dB bandwidth for high-speed ADC driving
- Rail-to-rail input swing on a 5 V supply
- 75 dB typical CMRR for effective noise rejection
- Low input noise optimized for ADC driver applications
- Internal frequency compensation for stable closed-loop operation
Applications
LTC6405IMS8E#TRPBF excels as a fully differential ADC driver in high-speed data acquisition systems, converting single-ended or differential signals into low-noise differential pairs that maximize ADC dynamic range up to several hundred MHz. Its rail-to-rail input and wide 2.7 GHz bandwidth also suit IF signal amplification in software-defined radio and communications receivers. The low input noise figure makes it a strong candidate for amplifying signals from RF mixers and wideband sensors before digitization.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1662 |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Bandwidth (3dB)-Nom | 750MHz |
| Common-mode Reject Ratio-Min | 50dB |
| Common-mode Reject Ratio-Nom | 75dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 4 µA |
| Input Offset Voltage-Max | 7000 µV |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Slew Rate-Nom | 690V/us |
| Supply Current-Max | 23mA |
| Supply Voltage Limit-Max | 5.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 2700000 |
| Wideband | YES |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does LTC6405IMS8E#TRPBF perform as a differential ADC driver compared to using a single-ended buffer?
LTC6405IMS8E#TRPBF provides a fully differential output with 75 dB typical CMRR, which substantially suppresses common-mode noise and ground bounce before the ADC input. A single-ended buffer would pass common-mode interference directly to the ADC, degrading effective number of bits (ENOB) by several bits at frequencies above 100 MHz, while the differential driver keeps both ADC input nodes balanced and reduces distortion in 12-bit to 16-bit conversion systems.
What closed-loop bandwidth can be expected at a differential gain of 2 V/V using LTC6405IMS8E#TRPBF?
With a 2.7 GHz unity-gain bandwidth product, LTC6405IMS8E#TRPBF achieves approximately 1.35 GHz closed-loop -3 dB bandwidth at a gain of 2 V/V. However, the rated 750 MHz -3 dB bandwidth at unity gain is the more practical limit for most ADC driver applications, covering IF frequencies up to several hundred MHz in communications and radar receive chains.
Is LTC6405IMS8E#TRPBF rated for industrial temperature operation, and what package does it use for thermal management?
LTC6405IMS8E#TRPBF is rated for the industrial temperature range of -40°C to 85°C, making it suitable for instrumentation and communications equipment operating outside controlled environments. The MS8E package is an 8-pin small-outline package with an exposed pad option that assists heat dissipation when soldered to a PCB thermal via array, keeping junction temperature within limits at continuous high-frequency operation.
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