LTC6603CUF#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
LTC6603CUF#PBF is a dual-channel, 2.5 MHz cutoff low-pass filter IC from Analog Devices in a 24-pin QFN package with 1.6 kΩ input impedance and only 0.75 mm profile height. It targets RF signal conditioning, data acquisition front-ends, and anti-aliasing filter applications requiring precise, matched filter responses.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- LTC6603CUF#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $10.6800(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 2.5 MHz programmable low-pass filter cutoff for precise signal bandwidth control
- Dual matched filter channels for I/Q signal processing in RF receivers
- 1.6 kΩ input impedance compatible with standard signal chain drivers
- Ultra-low 0.75 mm package height enabling slim PCB stack-ups
- 24-pin QFN surface-mount package for compact board integration
- Matte tin terminal finish compliant with RoHS environmental standards
Applications
The LTC6603CUF#PBF is ideal for anti-aliasing filter stages ahead of high-speed ADCs in software-defined radio and instrumentation systems, where its 2.5 MHz cutoff precisely limits signal bandwidth. Its dual matched channels make it especially valuable for quadrature (I/Q) baseband processing in communications receivers. The device also serves data acquisition systems and medical imaging signal chains requiring tight channel-to-channel gain and phase matching.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1697 |
| YTEOL | 10 |
| Center or Cutoff Frequency (fo/fc) | 2.5MHz |
| Filter Type | LOW PASS FILTER |
| Height | 0.75mm |
| Input Impedance | 1.6KOHM |
| JESD-609 Code | e3 |
| Mounting Type | SURFACE MOUNT |
| Terminal Finish | Matte Tin (Sn) |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| 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 cutoff frequency does the LTC6603CUF#PBF filter provide, and for which signal bandwidths is it most appropriate?
The LTC6603CUF#PBF implements a low-pass filter with a 2.5 MHz cutoff frequency, making it well-suited for limiting signal bandwidth before analog-to-digital conversion or for channel filtering in RF receivers operating below 2.5 MHz. Systems with signal bandwidths up to 2 MHz can benefit from its sharp roll-off and matched dual-channel response.
How does the dual-channel architecture of the LTC6603CUF#PBF benefit I/Q demodulation designs?
The LTC6603CUF#PBF provides two precisely matched filter channels on a single die, ensuring consistent gain and phase characteristics across both the in-phase (I) and quadrature (Q) signal paths. Mismatches of even a few degrees or tenths of a dB between channels would degrade image rejection in receivers, so the integrated dual design typically achieves better than 0.1 dB and 1° matching.
What PCB footprint and package height does the LTC6603CUF#PBF require for layout planning?
The LTC6603CUF#PBF uses a 24-pin QFN package with a maximum body height of only 0.75 mm, enabling use in slim and stacked PCB assemblies. The QFN footprint exposes a thermal pad on the bottom, aiding heat dissipation while keeping the occupied board area compact compared to equivalent SOIC or SSOP packages with 24 pins.
Related Guides
How to Choose a BAS70 Schottky Diode for Signal Clamping: Selection Guide
A practical BAS70KFILM and BAS70-family Schottky diode selection guide for signal clamping, RF detection, leakage, and topology choices.
Jul 4, 2026
AMC1202DWVR Design Guide for Isolated Current Sensing
Practical AMC1202DWVR design guide covering shunt sizing, isolation layout, input filtering, ADC scaling, and sourcing choices.
Jul 4, 2026
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
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.
More from Analog Devices
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $20.2000 | $20.20 |
| 3+ | $15.1000 | $45.30 |
| 10+ | $13.6000 | $136.00 |
| 91+ | $12.7000 | $1155.70 |
| 1000+ | $10.6800 | $10680.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”