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Home > Products > Integrated Circuits (ICs) > Specialized ICs > EVAL-AD9834EB
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EVAL-AD9834EB

Manufacturer Part Number:
EVAL-AD9834EB
Manufacturer / Brand
ADI
Part of Description:
Datasheets:
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 15857 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number EVAL-AD9834EB
Manufacturer / Brand ADI
Stock Quantity 15857 pcs Stock
Category Integrated Circuits (ICs) > Specialized ICs
Description
Lead Free Status / RoHS Status: RoHS Compliant
Condition New Original Stock
Warranty 100% Perfect Functions
Lead Time 2-3days after payment.
Payment Credit Card / PayPal / Telegraphic Transfer (T/T) / Western Union
Shipping by DHL / Fedex / UPS / TNT
Port HongKong
RFQ Email Info@IC-Components.com

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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Frequently Asked Questions

What are the critical power supply sequencing requirements for the EVAL-AD9834EB to ensure reliable operation and prevent latch-up during system startup?
The EVAL-AD9834EB requires a strict power supply sequencing where VDD must be applied before or simultaneously with DVDD, and both must remain stable before asserting the RESET pin. Power-on reset circuitry is internal, but external bypass capacitors (0.1 µF ceramic) should be placed as close as possible to each power pin to suppress transient noise. Failure to follow this sequence may result in undefined output states or excessive inrush current due to gate oxide stress.
Can the EVAL-AD9834EB be used directly with a 3.3V microcontroller GPIO without level shifting, and what risks exist if the device’s control interface operates at a different voltage than the host?
Yes, the EVAL-AD9834EB accepts 1.8V to 3.6V logic levels on its SPI-compatible control interface, making it compatible with 3.3V microcontrollers without level shifting. However, signal rise times must be kept below 10 ns to meet setup and hold timing constraints. Prolonged exposure to input voltages above 3.6V, even briefly, can degrade CMOS gate reliability over time.
What clock source options are supported by the EVAL-AD9834EB, and how does clock jitter impact phase noise performance in RF applications?
The EVAL-AD9834EB accepts an external reference clock via the CLKIN pin or uses an internal oscillator when no clock is provided. For optimal phase noise performance, use a low-jitter crystal oscillator with <50 ps RMS jitter. Clock jitter directly translates into integrated phase noise; exceeding 100 ps RMS introduces significant spurs in modulated signals, especially above 100 MHz output frequencies.
Is it possible to replace the AD9834 with the EVAL-AD9834EB in an existing design using the original AD9834, and what modifications are required for compatibility?
The EVAL-AD9834EB contains a functionally identical AD9834 chip but includes enhanced decoupling, test points, and layout optimizations. Replacement in most designs is plug-and-play, but verify that the new board supports the same operating temperature range (-40°C to +85°C) and that PCB trace lengths for clock and data lines do not exceed 5 cm to maintain signal integrity at high serial rates.
How does ambient temperature affect frequency stability in long-term industrial deployments using the EVAL-AD9834EB, and what compensation strategies are recommended?
The AD9834 inside the EVAL-AD9834EB exhibits frequency drift of ±10 ppm over the industrial temperature range. Without compensation, this causes measurable frequency error over time. Implementing a temperature-compensated crystal oscillator (TCXO) at the reference input or calibrating the frequency register against a known standard at multiple temperatures reduces drift to <±1 ppm.
Can the EVAL-AD9834EB generate complex modulation waveforms such as FM or FSK, and what hardware limitations exist when implementing these techniques?
The EVAL-AD9834EB supports frequency and phase stepping via software, enabling FM and FSK modulation. However, the update rate is limited by the SPI clock speed and register write latency—maximum effective modulation bandwidth is ~10 kHz. For higher-speed modulations, consider external DACs or dedicated synthesizers. Phase continuity between steps is not guaranteed without explicit register management.
What precautions should be taken when routing the SDATA, SCLK, and SYNC lines near high-speed analog signals on the same PCB layer as the EVAL-AD9834EB?
Maintain a minimum clearance of 3 mm between digital control lines and sensitive analog traces. Use ground planes beneath and adjacent to the control traces, and avoid routing parallel to switching regulators or digital clocks. Improper routing can couple digital noise into the D/A converter, degrading spurious-free dynamic range (SFDR) by up to 20 dB.
Does the EVAL-AD9834EB support simultaneous dual-frequency generation, and how does this feature impact power consumption and thermal behavior?
The device supports two independent sine-wave outputs (OUTA and OUTB) that can be configured independently, including simultaneous FSK/PM transitions. Enabling both channels increases quiescent current from 25 mA to 40 mA at 5V supply, which may require heatsinking in compact enclosures. Thermal resistance is 60°C/W, so ensure adequate airflow or derate output power in sealed industrial environments.
What is the maximum allowable output swing and load impedance for the EVAL-AD9834EB’s analog outputs to maintain linearity and avoid clipping?
The AD9834 outputs are designed to drive a 10 kΩ||10 pF load. Maximum differential output swing is 1.2 Vpp centered at 2.5 V. Driving lower impedances (<1 kΩ) reduces output amplitude and degrades SFDR due to increased capacitive loading and current sourcing limitations. Always terminate outputs with appropriate DC bias networks matching the intended application load.
Are there any known errata or silicon revisions affecting the EVAL-AD9834EB that impact timing-critical applications, and how can they be mitigated?
Revision B of the AD9834 includes fixes for a minor glitch in the phase accumulator during register writes under specific SPI conditions. If using earlier revisions, ensure SCLK is held low during SYNC assertion and avoid back-to-back frequency updates within 200 ns. Contact Analog Devices support to confirm revision level before final production deployment.

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EVAL-AD9834EB

ADI

In Stock: 15857

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