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Analog Devices Inc./Maxim Integrated DS4000EC/WBGA
- Part No.:
- DS4000EC/WBGA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Programmable Timers and Oscillators
- Package:
- 24-BBGA
- Datasheet:
-
DS4000EC/WBGA.pdf
- Description:
- IC OSC TCXO 14.31818MHZ 24-BGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,100
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Product details
Overview
DS4000EC/WBGA from Maxim Integrated is a digitally controlled temperature-compensated crystal oscillator (DC-TCXO) with a fixed 14.31818 MHz F1 output, a programmable F2 output derived via integer division of F1, integrated 10-bit digital temperature sensor (±3°C accuracy), and 2-wire serial interface for frequency tuning and temperature readout. It operates from 0°C to +70°C and delivers ±1.0 ppm frequency stability over temperature.
For engineers reviewing the DS4000EC/WBGA datasheet, DS4000EC/WBGA pinout, DS4000EC/WBGA application, or DS4000EC/WBGA equivalent, key selection criteria include its dual-output TCXO architecture, ±10 ppm digital frequency tuning range, 24-pin WBGA package, CMOS square-wave outputs, and support for both standard (100 kHz) and fast-mode (400 kHz) I²C communication.
Technical Context
The DS4000EC/WBGA integrates a factory-calibrated TCXO core with on-die temperature sensing and digital compensation logic, enabling real-time frequency correction without external components. Its two independent outputs-F1 (fixed base frequency) and F2 (programmable via 5Dh register)-are both temperature-compensated and can be enabled/disabled independently using the TCXO Control Register (60h).
Frequency tuning is implemented via a signed 7-bit offset in the Frequency Tuning Register (66h), where each LSB corresponds to ~0.08 ppm, allowing ±10.16 ppm adjustment of the 14.31818 MHz base frequency. The 2-wire interface supports slave address configuration via A0 pin and operates at up to 400 kHz with open-drain SDA/SCL requiring external pullups.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Base Frequency (F1) | 14.31818 MHz - fixed, factory-trimmed output used as reference for F2 division |
| Frequency Stability | ±1.0 ppm from -40°C to +85°C - applies to both F1 and F2 outputs under industrial temp grade; DS4000EC/WBGA rated 0°C to +70°C |
| Digital Tuning Range | ±10.16 ppm - achieved via 7-bit signed offset in 66h register; enables microcontroller-based calibration |
| Temperature Sensing | 10-bit resolution (+0.25°C step), ±3°C accuracy - provides die temperature for compensation or system monitoring |
| I²C Interface Speed | Up to 400 kHz (Fast Mode) - supports high-speed register access; requires external pullup resistors on SDA/SCL |
| Output Type | CMOS square wave - F1 and F2 both deliver rail-to-rail digital outputs with 40–60% duty cycle |
| Supply Voltage | VCC = 4.75 V to 5.25 V - tight 5 V ±5% tolerance required for specified stability and current consumption |
Pinout & Package
DS4000EC/WBGA uses a 24-ball wafer-level BGA (WBGA) package with 1.27 mm pitch, solder-mask-defined pads (0.85 mm ball diameter), and 8.89 mm × 8.89 mm body size. Pin assignments follow JEDEC MO-220 standard per drawing 56-G6022-001A (V24-1 variation).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A, 1B, 1C, 1D, 2C, 2D | GND | Power ground for digital core; six dedicated pins reduce impedance and improve noise immunity |
| 2A, 2B | N.C. | No internal connection; must remain unconnected per datasheet - not tied to ground or voltage |
| 3A, 3B | GNDOSC | Separate ground for oscillator circuitry; isolation prevents digital switching noise from degrading phase noise |
| 3C, 3D | VOSC | Dedicated 5 V supply for oscillator section; decoupling required near these pins for stability |
| 4A, 4B | A0 | Hardware slave address bit; sets LSB of 7-bit I²C address (100010A0) to select between two device addresses |
| 4C, 4D | F1 | Fixed-frequency CMOS output (14.31818 MHz); always active unless disabled via TCXO Control Register (bit F1OE) |
| 5A, 5B | SDA | Open-drain bidirectional I²C data line; requires external pullup resistor (typically 4.7 kΩ) |
| 5C, 5D | VCC | Main 5 V supply for digital logic; separate from VOSC to enable independent power domain management |
| 6A, 6B | SCL | Open-drain I²C clock input; synchronized timing source for all register reads/writes |
| 6C, 6D | F2 | Programmable CMOS output; frequency set by FSR register (5Dh) as F1/(FSR+1) or F1/[2×(FSR+1)] |
Key Features
| Feature | Design Value |
|---|---|
| Dual temperature-compensated outputs | F1 (fixed) and F2 (programmable) both maintain ±1.0 ppm stability across operating temperature range |
| Integrated 10-bit temperature sensor | Provides on-die thermal data without external components; usable for system thermal management or self-calibration |
| Digital frequency tuning via I²C | ±10.16 ppm adjustment of base frequency using two's complement 7-bit offset register (66h) |
| Configurable F2 division ratio | Integer division of F1 by (FSR+1) or 2×(FSR+1) via DC bit in TCXO Control Register (60h) |
| Independent output enable control | F1OE and F2OE bits in register 60h allow dynamic power-down of either output to reduce system current |
Applications
| GPS Receivers | Wireless Base Stations |
|---|---|
Use Scenario: High-accuracy timing reference in handheld or vehicle-mounted GPS modules requiring stable 1PPS generation and low-jitter local oscillator. IC Role / Device Role / Timing Role: Primary TCXO providing 14.31818 MHz clock to GPS baseband processor and RF synthesizer; F2 used for UART or interface clocking. Use Value: ±1.0 ppm stability ensures minimal time error accumulation during cold starts and rapid satellite acquisition under varying ambient temperatures. | Use Scenario: Synchronization source in LTE/FDD or WCDMA small-cell base station radios where precise frequency alignment with network timing is mandatory. IC Role / Device Role / Timing Role: Dual-output TCXO supplying master clock (F1) to ADC/DAC and programmable clock (F2) to FPGA or PHY layer logic. Use Value: Digital tuning capability allows field calibration to compensate for aging drift and board-level thermal gradients, extending recalibration intervals. |
| Telecom Line Cards | SATCOM Terminals |
Use Scenario: Clock source for T1/E1 framers and jitter attenuators in carrier-grade access equipment deployed in temperature-variable central office environments. IC Role / Device Role / Timing Role: Fixed F1 output drives SERDES PLL; F2 provides configurable clock for packet processing engine or management MCU. Use Value: 24-pin WBGA footprint enables compact layout; integrated temperature sensor feeds host MCU for adaptive thermal derating algorithms. | Use Scenario: Reference oscillator in mobile SATCOM terminals mounted on aircraft or maritime vessels subject to wide thermal swings and vibration. IC Role / Device Role / Timing Role: Primary frequency reference for LNB downconverter LO synthesis and modem symbol clock generation. Use Value: Aging ≤1.0 ppm/year ensures long-term frequency holdover during signal loss; ±1.0 ppm/V supply stability maintains accuracy despite battery voltage sag. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled TCXO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS4000GF/WBGA | Base frequency = 16.384 MHz; identical architecture, tuning range, and package | Targeted for telecom/datacom applications requiring 16.384 MHz (e.g., T1 framing, IEEE 1588 PTP clocks) | Select when system clock tree requires 16.384 MHz instead of 14.31818 MHz; no PCB or firmware changes needed beyond frequency register updates. |
| DS4000CW/WBGA | Base frequency = 12.800 MHz; same pinout, register map, and electrical specs | Optimized for wireless infrastructure and GPS where 12.8 MHz simplifies frequency planning for IF stages | Choose for cost-sensitive designs needing lower base frequency; retains full digital tuning and temperature sensing functionality. |
Compared with DS4000GF/WBGA and DS4000CW/WBGA, the DS4000EC/WBGA provides the exact 14.31818 MHz frequency required for NTSC video timing, legacy UART baud rate derivation (e.g., 115.2 kbps), and specific GPS chipset references - making it non-interchangeable without clock tree redesign.
Availability
DS4000EC/WBGA is available at Aetrix Electronics and suitable for GPS receivers, wireless base stations, telecom line cards, and SATCOM terminals requiring stable component supply with guaranteed long-term continuity.
Supply support for DS4000EC/WBGA includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Maxim Integrated (now part of Analog Devices) designs precision analog and mixed-signal ICs for industrial, communications, and computing applications, with emphasis on high-reliability timing, power, and sensor solutions.
The DS4000EC/WBGA belongs to Maxim's digitally controlled TCXO product line, engineered specifically for systems demanding programmable, temperature-stable clock sources with integrated diagnostics and minimal external components.
FAQ
What is the base frequency of the DS4000EC/WBGA?
The DS4000EC/WBGA has a fixed base frequency of 14.31818 MHz on its F1 output. This value is laser-trimmed during manufacturing and marked on the device top as "DS4000EC". It serves as the reference for all F2 programmable outputs and digital tuning operations within the DS4000EC/WBGA.
Does the DS4000EC/WBGA require external components for temperature sensing?
No, the DS4000EC/WBGA includes a fully calibrated 10-bit digital temperature sensor with ±3°C accuracy and 0.25°C resolution. No external thermistors, ADCs, or calibration circuitry are needed - temperature data is read directly over the 2-wire interface using the READ TEMPERATURE command (address 64h) from the DS4000EC/WBGA.
Can both F1 and F2 outputs of the DS4000EC/WBGA operate simultaneously?
Yes, both F1 and F2 outputs of the DS4000EC/WBGA can operate simultaneously. Their enable states are independently controlled via bits F1OE and F2OE in the TCXO Control Register (60h). By default, both outputs are enabled at power-up, and either can be disabled dynamically via I²C to reduce system power consumption without affecting the other.
What is the maximum I²C clock speed supported by the DS4000EC/WBGA?
The DS4000EC/WBGA supports Fast Mode I²C operation up to 400 kHz, in addition to Standard Mode (100 kHz). Timing parameters such as tLOW, tHIGH, and tSU:DAT are fully specified for both modes in the datasheet. External pullup resistors must be sized appropriately - typically 4.7 kΩ - to meet rise/fall time requirements at 400 kHz for the DS4000EC/WBGA.
Is the DS4000EC/WBGA pin-compatible with other devices in the DS4000 family?
Yes, all DS4000 variants including DS4000EC/WBGA, DS4000GF/WBGA, and DS4000CW/WBGA share identical 24-ball WBGA packaging, pinout, register map, and electrical interface specifications. The only differences are base frequency and top-marking - making them hardware-compatible drop-in replacements when frequency requirements align, as confirmed in the Selector Guide for the DS4000EC/WBGA.
DS4000EC/WBGA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 24-BBGA
- Packaging:
- Bag
- Product Status:
- Obsolete
- Type:
- Temperature, Compensated Crystal Oscillator (TCXO)
- Count:
- -
- Frequency:
- 14.31818MHz
- Voltage - Supply:
- 4.75V ~ 5.25V
- Current - Supply:
- 1.5 mA
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 24-WBGA (11x9)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
DS4000EC/WBGA FAQ
1.How can I place an order for DS4000EC/WBGA through Aetrix?
Please submit a Request for Quotation (RFQ) for DS4000EC/WBGA on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DS4000EC/WBGA reliable?
The price and inventory of DS4000EC/WBGA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS4000EC/WBGA is usually 5 days.
3.What payment methods are accepted for DS4000EC/WBGA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS4000EC/WBGA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS4000EC/WBGA?
DS4000EC/WBGA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS4000EC/WBGA order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DS4000EC/WBGA?
For technical support, including DS4000EC/WBGA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS4000EC/WBGA requirements.
6.How does Aetrix verify that DS4000EC/WBGA is sourced from the original manufacturer or authorized distributors?
All DS4000EC/WBGA products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DS4000EC/WBGA meets industry standards.
7.What is the process for return or replacement of DS4000EC/WBGA?
All DS4000EC/WBGA units undergo pre-shipment inspection (PSI). If there is an issue with DS4000EC/WBGA, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DS4000EC/WBGA part is unused and in its original packaging.
Return procedure for DS4000EC/WBGA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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