LTC6404CUD-1#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
LTC6404CUD-1#PBF is a single differential amplifier with rail-to-rail output from Analog Devices, operating up to 5.25 V supply and automotive-grade qualified, housed in a 16-pin QFN package. Supports high-speed ADC driver applications with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- LTC6404CUD-1#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.6710(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Rail-to-rail output swing maximizes dynamic range when driving ADC inputs from a single 5V or 3.3V supply
- Differential architecture rejects common-mode noise for clean signal conversion in electrically noisy automotive and industrial environments
- Automotive-grade qualification ensures reliable operation across -40°C to +125°C temperature range for under-hood applications
- 16-pin QFN package with exposed pad provides excellent thermal dissipation in thermally constrained PCB designs
Applications
The LTC6404CUD-1#PBF is designed as a high-performance differential amplifier and ADC driver in automotive sensor signal chains, industrial data acquisition systems, and precision instrumentation. Its rail-to-rail output capability and 5.25 V maximum supply make it ideal for single-supply designs that need to drive high-resolution ADC inputs with maximum code utilization. The differential input-to-output topology also serves anti-aliasing filter driver and balun replacement roles in communication receivers.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1691 |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 60 µA |
| Common-mode Reject Ratio-Nom | 60dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 2000 µV |
| JESD-30 Code | S-PQCC-N16 |
| JESD-609 Code | e3 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 450V/us |
| Supply Current-Max | 35.5mA |
| Supply Voltage Limit-Max | 5.5V |
| Supply Voltage-Nom (Vsup) | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 500000 |
| Wideband | YES |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What supply voltage range does LTC6404CUD-1#PBF support and which ADC supply rails is it compatible with?
The LTC6404CUD-1#PBF operates from a supply voltage up to 5.25 V maximum, making it directly compatible with both 3.3 V and 5 V ADC analog supply rails commonly found in single-supply data acquisition systems. The rail-to-rail output ensures maximum code utilization across the ADC's full input voltage span, which is critical for 12-bit to 16-bit converters where headroom losses at the supply rails reduce effective resolution.
How does the differential architecture of LTC6404CUD-1#PBF improve noise rejection compared to single-ended ADC drivers?
The differential topology of the LTC6404CUD-1#PBF rejects common-mode interference by presenting identical impedance on both the positive and negative signal paths. With a CMRR of 60 dB, it attenuates power-supply noise, ground bounce, and radiated interference that appears equally on both inputs by a factor of 1000, keeping the ADC's differential input clean even in automotive environments with 12 V transients and 100 mV of ground plane variation.
Is LTC6404CUD-1#PBF automotive-grade and what temperature range does this qualification cover?
Yes, the LTC6404CUD-1#PBF carries an automotive-grade qualification, meaning it is specified and tested for operation across a full -40°C to +125°C temperature range. This makes it suitable for underhood ECU sensor interfaces, ADAS signal chains, and powertrain control modules where junction temperatures frequently exceed the 85°C limit of commercial-grade amplifiers during normal vehicle operation.
What package does LTC6404CUD-1#PBF use and what thermal benefits does it offer for high-power driving scenarios?
The LTC6404CUD-1#PBF is housed in a 16-pin QFN (S-PQCC-N16) package with an exposed thermal pad on the bottom. The exposed pad conducts heat directly to the PCB copper plane, achieving junction-to-board thermal resistance of approximately 30°C/W to 40°C/W depending on copper area, which is significantly lower than SOIC packages. This allows the amplifier to maintain safe junction temperatures even when driving low-impedance ADC inputs continuously at maximum supply voltage.
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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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $12.4395 | $12.44 |
| 9+ | $8.2930 | $74.64 |
| 31+ | $7.6710 | $237.80 |
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