DSC1001DI3-4.096 Microchip Crystal or Oscillator (Other) In Stock
DSC1001DI3-4.096 is a 4.096 MHz low-power precision CMOS oscillator from Microchip, operating from a 1.8 V to 3.3 V supply. It offers tight frequency stability and a CMOS-compatible output for ADC clock, RTC, and embedded processor timing applications. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- DSC1001DI3-4.096 Datasheet PDF
- Category
- Crystal or Oscillator
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Factory-set 4.096 MHz output frequency with ±50 ppm stability for ADC sampling clock and precision timing references
- Wide supply range of 1.8 V to 3.3 V with low current consumption below 5 mA, ideal for battery-powered IoT and portable designs
- CMOS output compatible with 1.8 V and 3.3 V logic families, eliminating level translation in mixed-voltage embedded systems
Applications
DSC1001DI3-4.096 is used as a precision reference clock in data acquisition systems and analog-to-digital converters where a 4.096 MHz sample clock simplifies binary scaling of full-scale voltage ranges. Its 1.8 V to 3.3 V supply range and low current draw suit always-on timing sources in IoT edge nodes, wearable medical devices, and portable industrial meters where power budgets below 10 mW are required.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Why is 4.096 MHz a commonly preferred clock frequency for ADC and DAC reference designs compared to 4.000 MHz?
4.096 MHz is a power-of-two multiple of 4 kHz (4096 = 2^12), which means dividing it by powers of 2 yields sample rates of exactly 2 kHz, 1 kHz, 512 Hz, and 256 Hz with no remainder. This simplifies the digital filter coefficient calculation in 16-bit and 24-bit sigma-delta ADC designs by keeping all frequency ratios as exact binary fractions, avoiding the rounding errors present when using 4.000 MHz crystals.
How does the 1.8 V to 3.3 V supply range of DSC1001DI3-4.096 benefit mixed-voltage IoT sensor hub designs?
DSC1001DI3-4.096 operates across the full range from 1.8 V to 3.3 V with a single part number, allowing system designers to share the oscillator between a 1.8 V low-power MCU and a 3.3 V peripheral bus without a level-shift buffer. This saves 1 component and approximately 10 mm² of board area, while maintaining less than ±50 ppm frequency accuracy across the supply range at operating temperatures from -40°C to 85°C.
What frequency stability does DSC1001DI3-4.096 provide across temperature and how does that compare to ceramic resonators in precision timing circuits?
DSC1001DI3-4.096 achieves ±50 ppm or better frequency stability across its operating temperature range, which is 10 to 20 times more accurate than typical ceramic resonators that drift ±0.5% (±5000 ppm). In a real-time counter running at 4.096 MHz and dividing down to a 1-second tick, the ±50 ppm accuracy limits daily time error to under 4.3 seconds per day, meeting requirements for event logging in industrial data recorders without battery-backed crystal modules.
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