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Analog Devices Inc. AD9254BCPZRL7-150
- Part No.:
- AD9254BCPZRL7-150
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 48-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9254BCPZRL7-150.pdf
- Description:
- IC ADC 14BIT PIPELINED 48LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:3,550
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Product details
Overview
AD9254BCPZRL7-150 from Analog Devices is a monolithic 14-bit, 150 MSPS analog-to-digital converter with differential input, on-chip sample-and-hold amplifier, and integrated 1.0 V voltage reference. It operates from a single 1.8 V analog supply, consumes 430 mW at full rate, and delivers 71.8 dBc SNR at 70 MHz input-used in ultrasound front-ends and IF sampling receivers.
For engineers reviewing the AD9254BCPZRL7-150 datasheet, AD9254BCPZRL7-150 pinout, AD9254BCPZRL7-150 application, or AD9254BCPZRL7-150 equivalent, key selection criteria include its 650 MHz analog input bandwidth, DNL of ±0.4 LSB, programmable data format (offset binary/Gray/twos complement), and duty cycle stabilizer for clock jitter resilience.
Technical Context
The AD9254BCPZRL7-150 employs a multistage 1.5-bit-per-stage differential pipeline architecture with output error correction logic, guaranteeing no missing codes over −40°C to +85°C. Its patented differential SHA supports ac- or dc-coupled inputs up to 225 MHz and enables flexible input ranges (1–2 Vp-p) with user-selectable common-mode bias.
A dedicated duty cycle stabilizer (DCS) maintains performance across clock duty cycles from 30% to 70%, while the serial port interface (SPI-compatible) configures data formatting, DCS enable, power-down, and reference mode. Digital outputs are driven from a separate 1.8–3.3 V supply (DRVDD) for logic-level compatibility.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - guarantees monotonicity and no missing codes across full temperature range |
| Sampling Rate | 150 MSPS - supports Nyquist-sampled IF signals up to 75 MHz or undersampled RF bands |
| SNR @ 70 MHz | 71.8 dBc - enables high-fidelity digitization of wideband communication signals |
| SFDR @ 70 MHz | 84 dBc - suppresses harmonics and spurs critical for CDMA2000/WCDMA baseband processing |
| Analog Input BW | 650 MHz - accommodates direct sampling of L-band and S-band IFs without external amplification |
| Power Consumption | 430 mW @ 150 MSPS - optimized for battery-powered instruments and portable medical devices |
| Differential Nonlinearity | ±0.4 LSB (typ) - ensures accurate amplitude representation in ultrasound beamforming |
| Pipeline Latency | 12 clock cycles - deterministic timing essential for real-time digital downconversion loops |
Pinout & Package
The AD9254BCPZRL7-150 is housed in a 48-lead LFCSP (CP-48-5) package with exposed thermal pad (Pin 0 = AGND). Pin layout supports high-speed signal integrity via dedicated analog/digital ground separation, differential clock routing, and decoupled reference terminals (REFT/REFB).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN+, VIN− | Differential analog input | Accepts 1–2 Vp-p ac- or dc-coupled signals; requires matched source impedance for optimal CMRR |
| CLK+, CLK− | Differential clock input | Supports CMOS/LVDS/LVPECL; internal DCS corrects duty cycle errors up to ±20% |
| D0 (LSB) to D13 (MSB) | Parallel digital output bus | Configurable format (offset binary/Gray/twos complement); latched by DCO edge |
| DCO | Data clock output | Source-synchronous timing reference for FPGA/ASIC capture; phase-aligned to data |
| SDIO/DCS, SCLK/DFS, CSB | SPI interface control | Enables runtime configuration of data format, DCS, power-down, and reference mode |
| REFT, REFB | Reference decoupling terminals | Require 0.1 μF capacitor between them to minimize noise on internal 1.0 V reference |
| RBIAS | Bias resistor connection | Mandatory 10 kΩ resistor to AGND sets internal bias current for optimal SHA linearity |
| PDWN | Power-down control | Active-high signal reduces power to 1.8 mW; wake-up time ≤ 350 μs with 0.1 μF decoupling |
Key Features
| Feature | Design Value |
|---|---|
| Single 1.8 V analog supply | Eliminates dual-supply sequencing complexity and reduces system BOM cost |
| Separate DRVDD (1.8–3.3 V) | Enables direct interfacing with 1.8 V FPGA I/O banks or 3.3 V microcontroller buses |
| On-chip voltage reference | 1.0 V internal reference with ±35 mV output error eliminates need for external precision reference |
| Programmable clock/data alignment | Adjusts setup/hold timing margins to compensate for PCB trace skew in high-speed layouts |
| Built-in test pattern generation | Supports production testing and system diagnostics without external pattern generators |
| Pin-compatible with AD9233 | Enables seamless upgrade path from 12-bit to 14-bit resolution in existing designs |
Applications
| Ultrasound Imaging | IF Sampling Receiver |
|---|---|
Use Scenario: Digitizing echo return signals from phased-array transducers in portable ultrasound systems. IC Role / Device Role / Timing Role: High-speed ADC capturing 10–20 MHz band-limited RF echoes with low latency and deterministic pipeline delay. Use Value: 71.8 dBc SNR preserves tissue contrast resolution; 14-bit depth enables precise dynamic range compression for grayscale imaging. |
Use Scenario: Downconverting and digitizing intermediate frequency signals in cellular base stations (WCDMA, TD-SCDMA). IC Role / Device Role / Timing Role: Direct IF sampling ADC replacing mixer+filter+ADC chains in macro/micro cell infrastructure. Use Value: 650 MHz input bandwidth allows direct sampling of 140–170 MHz IFs; 84 dBc SFDR suppresses adjacent channel interference. |
| Battery-Powered Test Equipment | Low-Cost Digital Oscilloscope |
Use Scenario: Signal acquisition in handheld scopemeters with extended battery life requirements. IC Role / Device Role / Timing Role: Low-power ADC core delivering 150 MSPS sampling while consuming only 430 mW total. Use Value: Single 1.8 V supply simplifies power design; standby mode draws just 40 mW for rapid wake-up during intermittent measurements. |
Use Scenario: Real-time waveform capture in entry-level benchtop oscilloscopes targeting ≤ 100 MHz bandwidth. IC Role / Device Role / Timing Role: Main acquisition ADC providing 14-bit vertical resolution and 150 MSPS sampling for deep memory buffers. Use Value: Programmable data format (Gray code) minimizes metastability risk during FPGA capture; DCO output ensures reliable latch timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9257BCPZ-150 | 8-channel, 14-bit, 150 MSPS interleaved ADC; higher channel density but lower per-channel SNR (70.2 dBc @ 70 MHz) | Designed for multi-channel time-interleaved acquisition (e.g., phased-array radar), not single-channel high-fidelity IF sampling | Select AD9254BCPZRL7-150 when single-channel SNR, low latency, and minimal inter-channel skew are critical. |
| ADS54J60IRGCT | 14-bit, 900 MSPS ADC with JESD204B interface; 3× higher sampling rate but 2.5× higher power (1.2 W) and no integrated reference | Targeted at high-throughput backhaul and mmWave applications requiring serial interface and >500 MSPS rates | Select AD9254BCPZRL7-150 when parallel LVCMOS outputs, integrated reference, and sub-500 mW power are required. |
Compared with AD9257BCPZ-150 and ADS54J60IRGCT, the AD9254BCPZRL7-150 provides optimal balance of single-channel fidelity, low power, and system integration-making it preferred for portable ultrasound, compact IF receivers, and battery-operated instrumentation where board space and thermal budget are constrained.
Availability
AD9254BCPZRL7-150 is available at Aetrix Electronics and suitable for ultrasound imaging systems, IF sampling receivers, and battery-powered test equipment requiring stable component supply and long-term industrial lifecycle support.
Supply support for AD9254BCPZRL7-150 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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, communications, automotive, and healthcare markets.
The AD9254 belongs to Analog Devices' high-speed data converter product line, engineered for demanding RF and IF digitization tasks in medical imaging, wireless infrastructure, and portable instrumentation.
FAQ
What is the maximum analog input frequency supported by the AD9254BCPZRL7-150?
The AD9254BCPZRL7-150 features a 650 MHz analog input bandwidth, enabling direct sampling of signals up to 225 MHz while maintaining specified SNR and SFDR performance. At 170 MHz input, it delivers 70.8 dBc SNR and 80 dBc SFDR-validating its suitability for L-band IF sampling in communications infrastructure.
Does the AD9254BCPZRL7-150 require an external voltage reference?
No, the AD9254BCPZRL7-150 integrates a precision 1.0 V internal voltage reference with ±35 mV output error. External decoupling between REFT and REFB using a 0.1 μF capacitor is mandatory to maintain specified SNR; no external reference IC is needed for standard operation.
How does the duty cycle stabilizer (DCS) function in the AD9254BCPZRL7-150?
The AD9254BCPZRL7-150's DCS dynamically adjusts internal clock timing to compensate for input duty cycle variations from 30% to 70%, preserving full 14-bit performance. This eliminates the need for external clock conditioners in systems using crystal oscillators or PLLs with asymmetric output waveforms.
What digital output formats does the AD9254BCPZRL7-150 support?
The AD9254BCPZRL7-150 supports offset binary, Gray code, and twos complement formats-all configurable via its SPI interface. Gray coding is recommended for FPGA-based capture to prevent metastability during code transitions near major carry boundaries.
Is the AD9254BCPZRL7-150 pin-compatible with other Analog Devices ADCs?
Yes, the AD9254BCPZRL7-150 is pin-compatible with the AD9233 (12-bit, 150 MSPS), allowing drop-in migration to higher resolution without PCB redesign. Both share identical 48-lead LFCSP packaging, pin functions, and footprint-enabling straightforward hardware upgrades in existing systems.
AD9254BCPZRL7-150 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 48-VFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 150M
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- Pipelined
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 1.7V ~ 1.9V
- Voltage - Supply, Digital:
- 1.7V ~ 3.6V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 48-LFCSP-VQ (7x7)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9254BCPZRL7-150 FAQ
1.How can I place an order for AD9254BCPZRL7-150 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9254BCPZRL7-150 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 AD9254BCPZRL7-150 reliable?
The price and inventory of AD9254BCPZRL7-150 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9254BCPZRL7-150 is usually 5 days.
3.What payment methods are accepted for AD9254BCPZRL7-150?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9254BCPZRL7-150 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9254BCPZRL7-150?
AD9254BCPZRL7-150 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9254BCPZRL7-150 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 AD9254BCPZRL7-150?
For technical support, including AD9254BCPZRL7-150 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9254BCPZRL7-150 requirements.
6.How does Aetrix verify that AD9254BCPZRL7-150 is sourced from the original manufacturer or authorized distributors?
All AD9254BCPZRL7-150 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 AD9254BCPZRL7-150 meets industry standards.
7.What is the process for return or replacement of AD9254BCPZRL7-150?
All AD9254BCPZRL7-150 units undergo pre-shipment inspection (PSI). If there is an issue with AD9254BCPZRL7-150, 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 AD9254BCPZRL7-150 part is unused and in its original packaging.
Return procedure for AD9254BCPZRL7-150:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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