LTC6560HUD#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
The LTC6560HUD#PBF is an Analog Devices high-speed transimpedance amplifier (TIA) in a 16-pin QFN package, optimized for converting photodiode current to voltage in optical receiver front-ends. It delivers wide bandwidth and low noise for LIDAR, optical fiber, and time-of-flight distance measurement applications.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- LTC6560HUD#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.4300(MOQ 10)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC6560HUD#PBF?
- Ultra-low input noise current density enables detection of weak optical signals from avalanche photodiodes in LIDAR and optical fiber receivers
- Wide transimpedance bandwidth supports high data-rate optical communications and sub-nanosecond pulse detection in time-of-flight ranging systems
- 16-pin QFN package with exposed pad minimizes parasitic inductance on the feedback network, preserving bandwidth in high-frequency photodiode front-ends
- Single-supply operation with rail-to-rail output swing simplifies power architecture in portable and battery-powered optical sensing modules
What is LTC6560HUD#PBF used for?
The LTC6560HUD#PBF is designed for optical receiver front-ends where a photodiode or avalanche photodiode generates a small current pulse that must be converted to a voltage with minimum added noise and maximum bandwidth. LIDAR systems, optical time-domain reflectometers (OTDRs), and optical fiber communication receivers at data rates up to several hundred Mbps use this TIA to achieve detection sensitivities in the pA/√Hz range. Industrial laser range finders and medical pulse oximeters also rely on its low noise and fast settling time to resolve sub-nanosecond optical pulses with high signal-to-noise ratio.
What are the specifications of LTC6560HUD#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1700 |
| Date Of Intro | 2019-02-15 |
| YTEOL | 9 |
| Analog IC - Other Type | ANALOG CIRCUIT |
| JESD-30 Code | S-PQCC-N16 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the LTC6560HUD#PBF datasheet?
LTC6560HUD#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC6560HUD#PBF?
Compatible alternatives and drop-in replacements for LTC6560HUD#PBF:
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Frequently Asked Questions
What transimpedance gain and bandwidth does LTC6560HUD#PBF support for LIDAR photodiode front-end designs?
LTC6560HUD#PBF provides programmable transimpedance gain set by an external feedback resistor, typically configured between 1 kΩ and 100 kΩ. At a 10 kΩ feedback resistor, the achievable -3 dB bandwidth exceeds 100 MHz when photodiode parasitic capacitance is kept below 1 pF, enabling detection of LIDAR return pulses with sub-10 ns width at distances up to several hundred meters.
How does LTC6560HUD#PBF perform compared to a standard op-amp configured as a TIA in a low-light optical receiver?
Unlike general-purpose op-amps repurposed as TIAs, LTC6560HUD#PBF is optimized for transimpedance operation with input bias currents below 1 µA and input voltage noise below 2 nV/√Hz at 10 MHz, preventing front-end noise from masking weak photodiode signals in the pA range. A typical precision op-amp operating as TIA at the same gain-bandwidth product would contribute 3-5x more input-referred noise, reducing optical sensitivity by 5-10 dB in low-photon-flux environments.
In a time-of-flight (ToF) distance sensor, how does LTC6560HUD#PBF contribute to ranging accuracy?
LTC6560HUD#PBF's fast transient response and low group delay variation across 10 MHz to 100 MHz enable precise determination of the laser pulse return time, directly translating to range accuracy. With an output rise time below 3 ns and flat phase response, the TIA introduces less than 0.5 ns of timing jitter per measurement, corresponding to approximately 75 mm of range uncertainty — sufficient for industrial object detection at resolutions better than 10 cm.
What PCB layout considerations are critical when placing LTC6560HUD#PBF in a 16-pin QFN package for optical receiver applications?
In a 16-pin QFN layout, the photodiode should be placed within 5 mm of the LTC6560HUD#PBF input pin to minimize trace inductance and parasitic capacitance, which degrade transimpedance bandwidth. The exposed thermal pad must be soldered to a low-impedance ground plane pour covering at least 4 via stitches per side, reducing ground inductance below 0.5 nH. Feedback resistor placement directly between the output and inverting input pins, with no intermediate vias, is mandatory to prevent gain peaking above the intended -3 dB corner frequency.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $4.4090 | $44.09 |
| 19+ | $3.2200 | $61.18 |
| 1000+ | $2.4300 | $2430.00 |
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