LTC2254CUH#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
Analog Devices LTC2254CUH#PBF is a 14-bit, 105 Msps low-power ADC operating from a 3 V supply, designed for high-speed single-channel analog-to-digital conversion. It features a ±1 V analog input range and a QFN-32 package for compact PCB integration. Suited for communications receivers and instrumentation requiring fast, accurate digitization.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 32
- Lifecycle
- ACTIVE
- Datasheet
- LTC2254CUH#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $60.6900(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 14-bit resolution at 105 Msps sampling rate for high-speed accurate signal digitization from a 3 V supply
- Low-power design optimized for battery-powered and space-constrained RF and communication receiver applications
- Compact 32-lead QFN package with ±1 V analog input range and 0.0336% maximum linearity error
Applications
The LTC2254CUH#PBF is ideal for wideband communications receivers, software-defined radio front ends, and digital oscilloscopes requiring 14-bit precision at 105 Msps sampling rates. Its 3 V low-power operation and compact QFN-32 footprint make it a strong fit for portable test equipment, radar signal processing, and medical imaging systems where board area and power budget are tightly constrained.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1693 |
| YTEOL | 10 |
| Analog Input Voltage-Max | 1V |
| Analog Input Voltage-Min | -1 V |
| Converter Type | ADC, PROPRIETARY METHOD |
| JESD-30 Code | S-PQCC-N32 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.0336% |
| Number of Analog In Channels | 1 |
| Number of Bits | 14 |
| Number of Functions | 1 |
| Output Bit Code | OFFSET BINARY, 2S COMPLEMENT BINARY |
| Output Format | PARALLEL, WORD |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 105MHz |
| Sample and Hold / Track and Hold | SAMPLE |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | 3A991.C.3 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What sampling rate and resolution does the LTC2254CUH#PBF deliver for wideband signal capture?
The LTC2254CUH#PBF delivers 14-bit resolution at a 105 Msps sampling rate, making it capable of capturing wideband signals up to approximately 52 MHz with high dynamic accuracy. This combination of speed and resolution is well suited for IF sampling in communications receivers and high-throughput data acquisition systems.
How does the LTC2254CUH#PBF's 3 V supply voltage impact power consumption in portable designs?
Operating from a 3 V supply, the LTC2254CUH#PBF is classified as a low-power ADC, making it suitable for battery-powered instruments and portable RF receivers where thermal and power budgets are limited. Its low supply voltage reduces the overall system power compared to 5 V ADC alternatives at comparable sampling rates of 105 Msps.
When should a designer choose LTC2254CUH#PBF over a lower-speed 14-bit ADC for an instrumentation front end?
A designer should choose the LTC2254CUH#PBF when the signal bandwidth exceeds roughly 10 MHz or the application requires IF undersampling at 105 Msps to digitize signals centered above baseband. In oscilloscopes, spectrum analyzers, and radar receivers, the 14-bit depth combined with 105 Msps throughput provides sufficient SFDR and SNR margin that slower ADCs at equivalent resolution cannot match.
What package does the LTC2254CUH#PBF use and how does it affect PCB layout for high-speed signals?
The LTC2254CUH#PBF uses a 32-lead QFN (quad flat no-lead) package, which offers a compact footprint with short lead inductance, critical for maintaining signal integrity at 105 Msps. The exposed pad facilitates low-impedance ground connections, and the package's small size enables placement close to the analog signal source to minimize parasitic trace lengths on high-speed PCB layouts.
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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.
More from Analog Devices
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $80.3500 | $80.35 |
| 10+ | $65.9620 | $659.62 |
| 1000+ | $60.6900 | $60690.00 |
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