LTC1665CN Analog Devices Integrated Circuit (Dual-In-Line Packages) In Stock
LTC1665CN is a micropower octal 8-bit DAC providing 8 independent analog output channels with serial binary input and up to 5.478 V maximum output voltage in a 16-pin DIP package. It achieves 0.39% maximum linearity error with ultralow power consumption. Designed for programmable bias generation, multichannel waveform synthesis, and portable instrumentation requiring multiple simultaneous analog outputs.
- Manufacturer
- Analog Devices
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE UNCONFIRMED
- Datasheet
- LTC1665CN Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC1665CN?
- 8 independent 8-bit DAC channels in a single 16-pin DIP package
- Micropower design minimizing supply current for battery-operated systems
- Serial binary input interface for minimal pin count microcontroller connection
- 5.478 V maximum analog output voltage covering standard 5 V signal ranges
- 0.39% maximum linearity error for adequate precision in control and bias applications
- Octal output architecture enabling simultaneous control of 8 analog parameters
What is LTC1665CN used for?
The LTC1665CN is designed for portable and battery-powered instruments requiring multiple independently programmable analog outputs from a single low-power IC, such as multichannel bias generators, programmable reference sources, and analog panel meter drivers. Its 8-channel architecture with serial interface simplifies the hardware design of automated test equipment where up to 8 stimulus voltages must be set digitally through a microcontroller. The device also suits trim and calibration systems, audio level control circuits, and soft-start programmers in power supply designs.
What are the specifications of LTC1665CN?
| YTEOL | 2 |
| Analog Output Voltage-Max | 5.478V |
| Converter Type | D/A CONVERTER |
| Input Bit Code | BINARY |
| Input Format | SERIAL |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e0 |
| Linearity Error-Max (EL) | 0.3906% |
| Number of Bits | 8 |
| Number of Functions | 8 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Settling Time-Nom (tstl) | 30 µs |
| Supply Voltage-Nom | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.40 |
Where can I find the LTC1665CN datasheet?
LTC1665CN Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC1665CN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many independent DAC output channels does the LTC1665CN provide, and what resolution does each channel offer?
The LTC1665CN integrates 8 fully independent DAC channels, each with 8-bit resolution providing 256 discrete output voltage steps across a maximum output range up to 5.478 V. This yields approximately 21 mV per step at full scale, suitable for programmable bias voltages, analog trim adjustments, and multichannel waveform generation where moderate precision is acceptable without requiring a separate DAC IC for each output.
What serial interface does the LTC1665CN use to program its 8 output channels, and how many microcontroller pins does it require?
The LTC1665CN uses a serial binary input interface compatible with SPI-style communication, requiring only 3 signal pins from the microcontroller — clock, data input, and chip select — to address and update any of the 8 DAC channels. This minimizes GPIO usage compared to parallel input DACs, making the LTC1665CN attractive for microcontrollers with limited pin counts such as 8-pin or 14-pin devices that still need to drive multiple analog output voltages.
Is the LTC1665CN suitable for battery-operated equipment, and how does its micropower design extend battery life?
Yes, the LTC1665CN is explicitly designed as a micropower device, consuming very low quiescent current that is orders of magnitude below standard CMOS DAC alternatives, making it well-suited for handheld instruments, IoT sensor nodes, and portable medical devices powered by AA or Li-Ion batteries. In sleep-mode or low-update-rate applications, the supply current stays in the microampere range, enabling weeks or months of operation from small battery packs in systems where the 8 DAC channels are updated infrequently.
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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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