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SN100KT5542DW
Electronics Part Number
SN100KT5542DW-WXManufacturer
Analog Devices, Inc.
SN100KT5542DW
Description
TTL-to-ECL Translator, 8 FunctionsInventory
843 Pcs New Original In Stock
Translator circuit IC providing voltage translation for single-channel bidirectional communication.
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Minimum 1
Minimum 1
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Basic cost: USD 70.00
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Technical Specifications
Category
Interface, Direct Digital Synthesis (DDS)
Manufacturer
Analog Devices, Inc.
Packaging
Tray
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
80-TQFP Exposed Pad
Series
-
Base Product Number
AD9854
Product Status
Active
Voltage - Supply
3.14V ~ 3.47V
Supplier Device Package
80-TQFP-EP (14x14)
Resolution (Bits)
12 b
Master fclk
300 MHz
Tuning Word Width (Bits)
48 b
Data Sheet Document (D)
Datasheets
Download AD9854ASVZ Product Specification (PDF)
HTML Datasheet
AD9854ASVZ-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
-2735-AD9854ASVZ AD9854ASVZ-DG 505-AD9854ASVZ
Standard Package
1
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Frequently Asked Questions (FAQ)
When replacing the AD9854ASVZ in a high-frequency signal generator design, how does its 48-bit tunin
The AD9854ASVZ’s 48-bit tuning word provides significantly finer frequency resolution (down to sub-millihertz levels at lower output frequencies) compared to the AD9850’s 32-bit word, which is critical in applications requiring precise frequency sweeps or low phase jitter. This enhanced resolution reduces spurious tones caused by frequency truncation and improves spectral purity, especially in communications test equipment or radar simulation systems. However, designers must ensure the reference clock stability and PLL loop filter design support this precision—otherwise, external noise may dominate over the theoretical benefits of the 48-bit accumulator.
Can the AD9854ASVZ be safely operated at its maximum 300 MHz system clock in an industrial environme
While the AD9854ASVZ is rated for operation up to 85°C junction temperature, running at 300 MHz near the upper ambient limit (70°C) risks exceeding safe thermal thresholds due to internal power dissipation (~1.5W typical under full load). To mitigate this, use a properly grounded exposed pad (EP) with thermal vias to a ground plane, and consider adding a small heatsink or airflow if enclosure temperatures exceed 60°C. Monitor junction temperature using TJ = TA + (θJA × PD), where θJA is ~25°C/W for the 80-TQFP-EP package—failure to manage heat can lead to timing skew, increased phase noise, or long-term reliability degradation.
Is the AD9854ASVZ a drop-in replacement for the Analog Devices AD9851 in legacy DDS-based RF synthes
The AD9854ASVZ is not a direct drop-in replacement for the AD9851 due to differences in interface protocol (parallel vs. serial/parallel hybrid), higher clock speed capability (300 MHz vs. 180 MHz), and additional features like built-in PLL and dual-channel output. While both share similar supply voltage ranges, migrating requires updating the microcontroller interface logic, potentially redesigning the clock distribution network, and adjusting tuning word calculations to account for the 48-bit accumulator. Additionally, the AD9854ASVZ’s exposed pad demands improved PCB thermal layout, which may affect board stack-up and grounding in compact designs.
How does the AD9854ASVZ’s 12-bit DAC resolution impact harmonic distortion in high-dynamic-range app
The AD9854ASVZ’s 12-bit DAC introduces quantization noise and harmonic spurs that become more pronounced above 100 MHz, particularly near Nyquist (150 MHz). In SDR applications, third- and fifth-order harmonics can fall within the desired band, degrading SNR and EVM. To combat this, implement a low-pass reconstruction filter with a cutoff just above the maximum output frequency and steep roll-off (e.g., 6th-order elliptic), placed as close as possible to the DAC output. Additionally, use dithering in the digital domain and ensure clean power supply decoupling to minimize intermodulation products—neglecting these steps can result in measurable performance loss despite the IC’s high clock rate.
Given the AD9854ASVZ’s MSL 3 rating, what specific handling and storage procedures should be followe
The AD9854ASVZ’s Moisture Sensitivity Level (MSL) 3 rating means it can be exposed to ambient conditions for up to 168 hours (7 days) after removal from dry packaging before reflow. In high-volume production, this requires strict FIFO inventory control, baking at 125°C for 24 hours if exposure exceeds 168 hours, and storage in dry cabinets (<5% RH) between assembly steps. Failing to adhere to MSL 3 protocols risks popcorning during reflow, delamination, or long-term reliability issues—especially critical in automotive or outdoor telecom deployments. Always verify floor life tracking and integrate moisture barrier bags with desiccant into your logistics chain when handling the AD9854ASVZ.
When replacing the AD9854ASVZ in a high-frequency signal generator design, how does its 48-bit tunin
The AD9854ASVZ’s 48-bit tuning word provides significantly finer frequency resolution (down to sub-millihertz levels at lower output frequencies) compared to the AD9850’s 32-bit word, which is critical in applications requiring precise frequency sweeps or low phase jitter. This enhanced resolution reduces spurious tones caused by frequency truncation and improves spectral purity, especially in communications test equipment or radar simulation systems. However, designers must ensure the reference clock stability and PLL loop filter design support this precision—otherwise, external noise may dominate over the theoretical benefits of the 48-bit accumulator.
Can the AD9854ASVZ be safely operated at its maximum 300 MHz system clock in an industrial environme
While the AD9854ASVZ is rated for operation up to 85°C junction temperature, running at 300 MHz near the upper ambient limit (70°C) risks exceeding safe thermal thresholds due to internal power dissipation (~1.5W typical under full load). To mitigate this, use a properly grounded exposed pad (EP) with thermal vias to a ground plane, and consider adding a small heatsink or airflow if enclosure temperatures exceed 60°C. Monitor junction temperature using TJ = TA + (θJA × PD), where θJA is ~25°C/W for the 80-TQFP-EP package—failure to manage heat can lead to timing skew, increased phase noise, or long-term reliability degradation.
Is the AD9854ASVZ a drop-in replacement for the Analog Devices AD9851 in legacy DDS-based RF synthes
The AD9854ASVZ is not a direct drop-in replacement for the AD9851 due to differences in interface protocol (parallel vs. serial/parallel hybrid), higher clock speed capability (300 MHz vs. 180 MHz), and additional features like built-in PLL and dual-channel output. While both share similar supply voltage ranges, migrating requires updating the microcontroller interface logic, potentially redesigning the clock distribution network, and adjusting tuning word calculations to account for the 48-bit accumulator. Additionally, the AD9854ASVZ’s exposed pad demands improved PCB thermal layout, which may affect board stack-up and grounding in compact designs.
How does the AD9854ASVZ’s 12-bit DAC resolution impact harmonic distortion in high-dynamic-range app
The AD9854ASVZ’s 12-bit DAC introduces quantization noise and harmonic spurs that become more pronounced above 100 MHz, particularly near Nyquist (150 MHz). In SDR applications, third- and fifth-order harmonics can fall within the desired band, degrading SNR and EVM. To combat this, implement a low-pass reconstruction filter with a cutoff just above the maximum output frequency and steep roll-off (e.g., 6th-order elliptic), placed as close as possible to the DAC output. Additionally, use dithering in the digital domain and ensure clean power supply decoupling to minimize intermodulation products—neglecting these steps can result in measurable performance loss despite the IC’s high clock rate.
Given the AD9854ASVZ’s MSL 3 rating, what specific handling and storage procedures should be followe
The AD9854ASVZ’s Moisture Sensitivity Level (MSL) 3 rating means it can be exposed to ambient conditions for up to 168 hours (7 days) after removal from dry packaging before reflow. In high-volume production, this requires strict FIFO inventory control, baking at 125°C for 24 hours if exposure exceeds 168 hours, and storage in dry cabinets (<5% RH) between assembly steps. Failing to adhere to MSL 3 protocols risks popcorning during reflow, delamination, or long-term reliability issues—especially critical in automotive or outdoor telecom deployments. Always verify floor life tracking and integrate moisture barrier bags with desiccant into your logistics chain when handling the AD9854ASVZ.
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Sep 15 2026
