LTC2172IUKG-14#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
LTC2172IUKG-14#PBF is a low-power quad-channel 14-bit ADC from Analog Devices sampling at up to 65 Msps per channel with a 2 V differential input range. It integrates four simultaneous ADC cores in a 52-lead QFN package for high-density multi-channel signal acquisition. Available from stock worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 52
- Lifecycle
- ACTIVE
- Datasheet
- LTC2172IUKG-14#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $92.7900(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC2172IUKG-14#PBF?
- 4 simultaneous 14-bit ADC channels each sampling at 65 Msps enabling coherent multi-channel RF and IF signal acquisition
- Low power architecture consuming under 300 mW total for all 4 channels, reducing thermal management complexity in dense PCB designs
- 2 V differential input range with 0.0198% maximum linearity error providing high dynamic range for communications and instrumentation applications
- 52-lead QFN package integrating quad ADC cores in a compact footprint suitable for multi-channel radar and software-defined radio boards
What is LTC2172IUKG-14#PBF used for?
The LTC2172IUKG-14#PBF is designed for multi-channel communications receivers, software-defined radio front-ends, and medical ultrasound imaging systems that require simultaneous digitization of 4 independent IF or baseband channels at 65 Msps. Its low power consumption and 14-bit resolution make it well-suited for portable test instruments and phased-array antenna platforms where per-channel power budgets are tight. The device is also used in radar signal processors and multi-axis vibration analyzers where phase coherence across all 4 channels is essential for accurate angle-of-arrival or frequency estimation.
What are the specifications of LTC2172IUKG-14#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1729 |
| YTEOL | 10 |
| Analog Input Voltage-Max | 2V |
| Analog Input Voltage-Min | -2 V |
| Converter Type | ADC, PROPRIETARY METHOD |
| JESD-30 Code | R-PQCC-N52 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.0198% |
| Number of Analog In Channels | 4 |
| Number of Bits | 14 |
| Number of Functions | 1 |
| Output Bit Code | OFFSET BINARY, 2S COMPLEMENT BINARY |
| Output Format | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC52,.27X.31,20 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 65MHz |
| Sample and Hold / Track and Hold | SAMPLE |
| Supply Voltage-Nom | 1.8V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| 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 | Thailand |
Where can I find the LTC2172IUKG-14#PBF datasheet?
LTC2172IUKG-14#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC2172IUKG-14#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the per-channel sampling rate and resolution of LTC2172IUKG-14#PBF, and how does it fit an IF digitization stage?
Each of the 4 channels samples at 65 Msps with 14-bit resolution, giving a Nyquist bandwidth of 32.5 MHz per channel that comfortably digitizes IF signals in the 10 MHz to 30 MHz range commonly used in narrowband and wideband communications receivers. The 14-bit resolution provides a theoretical 86 dB dynamic range, which is adequate for most 4G/5G sub-6 GHz and ISM-band receiver chains.
How much total power does LTC2172IUKG-14#PBF consume across all 4 channels, and how does that affect thermal design?
All 4 ADC channels operating simultaneously consume approximately 300 mW from a 1.8 V core supply, which equates to 75 mW per channel — significantly lower than discrete quad-ADC implementations that can exceed 600 mW total. The 52-lead QFN package has a thermal resistance below 30 K/W, so at 300 mW dissipation the die temperature rises only 9 degrees C above the PCB copper temperature, requiring no forced-air cooling in most rack-mount or benchtop instrument enclosures.
Can LTC2172IUKG-14#PBF replace a two-chip dual-ADC solution in a 4-channel oscilloscope front-end?
Yes, a single LTC2172IUKG-14#PBF integrates 4 simultaneous 14-bit channels at 65 Msps, replacing two separate dual-ADC ICs and cutting the component count by at least 50% while improving channel-to-channel skew to under 100 ps because all converters share one master clock and reference. This consolidation also reduces PCB routing complexity and eliminates the inter-chip clock synchronisation circuitry required in a two-chip approach.
What input voltage range does LTC2172IUKG-14#PBF accept, and does it require an external ADC driver amplifier?
The device accepts a differential input signal of plus or minus 2 V peak, corresponding to a 4 V peak-to-peak full-scale range centred at 0 V. Most RF and IF signal chains driving this input will need a low-noise differential amplifier such as the ADA4930 to convert single-ended signals to differential and provide the 2 V swing, because the input is optimised for differential drive to maintain the 14-bit linearity specification of 0.0198% maximum error.
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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.
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