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Analog Devices Inc. AD9250BCPZRL7-250
- Part No.:
- AD9250BCPZRL7-250
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 48-WFQFN Exposed Pad, CSP
- Datasheet:
-
AD9250BCPZRL7-250.pdf
- Description:
- IC ADC 14BIT PIPELINED 48LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:1,694
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Product details
Overview
AD9250BCPZRL7-250 from Analog Devices is a dual-channel, 14-bit analog-to-digital converter with 250 MSPS sampling rate, JESD204B Subclass 0/1 serial interface, 70.6 dBFS SNR at 185 MHz input, and 88 dBc SFDR-designed for high-performance IF sampling in wireless infrastructure receivers.
For engineers reviewing the AD9250BCPZRL7-250 datasheet, AD9250BCPZRL7-250 pinout, AD9250BCPZRL7-250 application, or AD9250BCPZRL7-250 equivalent, key selection criteria include JESD204B lane configuration (M=2, L=2), 1.8 V single-supply operation, internal PLL clock multiplication, RFCLK support up to 1.5 GHz, and channel isolation of 95 dB.
Technical Context
The AD9250BCPZRL7-250 integrates two independent pipeline ADC cores with on-chip duty cycle stabilizer (DCS), integer 1-to-8 clock divider, and configurable JESD204B serializer supporting up to 5 Gbps per lane. Its internal PLL multiplies the input sampling clock to generate the JESD204B link clock, eliminating external clock synthesis.
It supports flexible analog input ranges (1.4–2.0 Vp-p), internal voltage reference, and fast overrange detection via dedicated FDA/FDB pins. The device operates with differential analog inputs up to 400 MHz IF and maintains 95 dB channel crosstalk across the industrial temperature range (−40°C to +85°C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 discrete amplitude levels for high-fidelity digitization of wideband signals. |
| Max Sampling Rate | 250 MSPS - enables Nyquist-zone sampling of IF signals up to 125 MHz or undersampling of RF carriers up to 400 MHz. |
| SNR @ 185 MHz | 70.6 dBFS - ensures >11.2 ENOB for accurate signal reconstruction in LTE/WiMAX baseband processing. |
| SFDR @ 185 MHz | 88 dBc - suppresses spurious content sufficiently for DOCSIS 3.0 upstream receiver spectral mask compliance. |
| JESD204B Data Rate | Up to 5.0 Gbps per lane - reduces PCB routing complexity versus parallel CMOS interfaces and supports deterministic latency alignment. |
| Total Power | 711 mW @ 250 MSPS - optimized for thermal management in dense radio card designs with 1.8 V supply only. |
| Analog Input Bandwidth | 1000 MHz full-power bandwidth - preserves signal integrity for wideband I/Q demodulation without external anti-alias filtering. |
Pinout & Package
AD9250BCPZRL7-250 is housed in a 48-lead 7 mm × 7 mm LFCSP package with exposed thermal paddle soldered to ground plane for optimal thermal performance (θJA = 25°C/W, still air). Pin count and layout are optimized for high-speed analog and JESD204B digital signal integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN+A / VIN–A | Differential analog input Channel A | Accepts 1.4–2.0 Vp-p input; supports DC-coupled or AC-coupled IF signals up to 400 MHz. |
| VIN+B / VIN–B | Differential analog input Channel B | Independent input path with 95 dB isolation from Channel A-enables true dual-channel diversity or I/Q sampling. |
| CLK± | Differential sampling clock input | Accepts CMOS/LVDS/LVPECL; internal DCS corrects duty cycle variation to maintain ADC linearity. |
| RFCLK | Optional RF clock input | Supports clock rates up to 1.5 GHz-simplifies system-level clock tree by enabling direct RF sampling clock injection. |
| SERDOUT0± / SERDOUT1± | JESD204B CML serial outputs | Two lanes, each configurable for 3.4–5.0 Gbps; require 100 Ω differential termination for signal integrity. |
| SYSREF± | Multi-device synchronization reference | LVDS input for deterministic JESD204B Subclass 1 lane alignment across multiple ADCs or FPGAs. |
| SYNCINB± | Subclass 0 synchronization input | Enables frame alignment without SYSREF-used in simpler point-to-point JESD204B links. |
| FDA / FDB | Fast overrange detect outputs | CMOS outputs assert within 7 ADC cycles when input exceeds programmable threshold-critical for AGC loop response. |
| SDIO / SCLK / CS | 3-wire SPI interface | Configures registers for DCS enable, power modes, test patterns, and JESD204B link parameters (M, L, subclass). |
Key Features
| Feature | Design Value |
|---|---|
| Integrated JESD204B Subclass 0/1 transmitter | Reduces FPGA pin count by >50% vs. parallel LVDS; supports deterministic latency and multi-device sync via SYSREF. |
| On-chip PLL with clock multiplication | Eliminates need for external clock synthesizer-accepts single 250 MHz CLK± and generates 5 GHz JESD204B link clock internally. |
| Dual independent ADC cores with 95 dB isolation | Enables simultaneous I/Q sampling or spatial diversity without inter-channel interference in MIMO systems. |
| Programmable analog input range (1.4–2.0 Vp-p) | Allows optimization for varying signal chain gain distribution-e.g., 1.75 Vp-p nominal matches typical RF mixer output. |
| Low-latency fast overrange detection (7 cycles) | Supports real-time AGC response in radar and comms systems where signal burst detection must occur within <30 ns. |
Applications
| DOCSIS 3.0 CMTS Upstream Receiver | TD-SCDMA/WiMAX Base Station |
|---|---|
|
Use Scenario: Digitizing upstream cable return-path signals (5–85 MHz) with high dynamic range and low distortion. IC Role / Device Role / Timing Role: Dual ADC captures I/Q components of QAM-modulated upstream bursts; JESD204B delivers data directly to FPGA-based demodulator. Use Value: 88 dBc SFDR meets DOCSIS 3.0 spectral purity requirements; 711 mW power enables integration into high-density CMTS line cards. |
Use Scenario: Wideband IF sampling in multi-standard cellular base station transceivers supporting TD-SCDMA, WiMAX, and LTE. IC Role / Device Role / Timing Role: Simultaneous digitization of two 20 MHz channels or I/Q pairs at 125 MSPS per channel using interleaved mode. Use Value: 95 dB channel isolation prevents cross-talk between adjacent sectors; 1.8 V supply simplifies power delivery in compact RRUs. |
| HFC Digital Reverse Path Receiver | Radar Pulse Detection System |
|
Use Scenario: Capturing noisy, low-level reverse-path signals (5–42 MHz) in hybrid fiber-coax networks with strong ingress interference. IC Role / Device Role / Timing Role: High-SNR digitization (70.6 dBFS) preserves weak signal integrity; fast overrange detection triggers adaptive blanking. Use Value: 70.6 dBFS SNR enables reliable decoding under −50 dBm noise floor conditions; 1000 MHz full-power bandwidth avoids aliasing from ingress harmonics. |
Use Scenario: High-speed pulse capture in electronic warfare receivers detecting short-duration radar pulses (100 ns–1 µs width). IC Role / Device Role / Timing Role: 250 MSPS sampling resolves sub-ns timing features; 7-cycle overrange latency triggers immediate pulse capture buffer write. Use Value: 250 MSPS rate provides 4 ns sample resolution for precise time-of-arrival estimation; low-jitter aperture (0.16 ps rms) ensures pulse shape fidelity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9680BCPZ-500 | 14-bit, 500 MSPS, JESD204B Subclass 1, higher power (1.4 W), wider input bandwidth (1.5 GHz). | Targeted at higher IF sampling (e.g., direct RF sampling at L/S-band) where 250 MSPS is insufficient. | Select AD9680BCPZ-500 only if system requires >250 MSPS sampling or >1 GHz analog bandwidth. |
| ADS42JB69IRGCT | 16-bit, 250 MSPS, JESD204A (not B), no internal PLL, higher power (1.1 W), LVDS parallel outputs optional. | Used in legacy FPGA platforms lacking JESD204B IP; trades SNR (73.5 dBFS) for compatibility with older SerDes blocks. | Choose ADS42JB69IRGCT only when JESD204B is unsupported and 16-bit resolution outweighs serial interface benefits. |
Compared with AD9250BCPZRL7-250, AD9680BCPZ-500 offers double the sampling rate but doubles power and cost, while ADS42JB69IRGCT provides higher resolution but lacks JESD204B deterministic sync and internal clock multiplication-making AD9250BCPZRL7-250 optimal for new 5G/LTE infrastructure designs requiring balanced speed, power, and interface modernity.
Availability
AD9250BCPZRL7-250 is available at Aetrix Electronics and suitable for DOCSIS 3.0 CMTS, wireless infrastructure, and radar receiver applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for AD9250BCPZRL7-250 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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with R&D and manufacturing facilities worldwide.
The AD9250 belongs to Analog Devices' high-speed data converter product line, engineered specifically for communications infrastructure-emphasizing JESD204B interoperability, low power per MSPS, and robust RF sampling capability in compact packages.
FAQ
What is the maximum analog input frequency supported by the AD9250BCPZRL7-250?
The AD9250BCPZRL7-250 supports analog input frequencies up to 400 MHz with maintained performance, verified by its 1000 MHz full-power bandwidth specification. This enables IF sampling of cellular, WiMAX, and DOCSIS signals without aliasing, provided the input is within the specified 1.4–2.0 Vp-p range and properly terminated. The device's proprietary differential front-end preserves SNR up to this frequency.
Does the AD9250BCPZRL7-250 require an external clock synthesizer for JESD204B operation?
No, the AD9250BCPZRL7-250 does not require an external clock synthesizer. Its integrated PLL multiplies the input sampling clock (e.g., 250 MHz) to generate the high-speed JESD204B link clock (e.g., 5.0 GHz for 2-lane operation). This eliminates external synthesis components and simplifies board design, as confirmed in the Product Highlights and Clock Generation block diagram.
What is the purpose of the RFCLK pin on the AD9250BCPZRL7-250?
The RFCLK pin on the AD9250BCPZRL7-250 accepts a high-frequency clock input up to 1.5 GHz, allowing direct injection of an RF sampling clock-bypassing the internal PLL when needed. This eases system board design in direct RF sampling architectures and avoids jitter accumulation from PLL multiplication, as documented in the General Description and Digital Specifications sections.
How does the AD9250BCPZRL7-250 handle multi-device synchronization in a JESD204B system?
The AD9250BCPZRL7-250 supports deterministic multi-device synchronization via the SYSREF± input for JESD204B Subclass 1 operation. SYSREF aligns the local multi-frame clocks (MFC) across multiple ADCs and FPGAs, ensuring sample-aligned data capture. This is validated in the JESD204B Synchronization Details section and Figure 3 timing diagrams.
What power-saving modes are available on the AD9250BCPZRL7-250?
The AD9250BCPZRL7-250 offers three power-saving states: standby mode (339 mW), full power-down (9 mW), and independent output power-down (50 µs wake-up). These are controlled via the PDWN pin and SPI registers, enabling dynamic power scaling during idle periods in burst-mode communication systems, as detailed in the Features and Power Dissipation sections.
AD9250BCPZRL7-250 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 48-WFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 250M
- Number of Inputs:
- 2
- Input Type:
- Differential
- Data Interface:
- JESD204B
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 2
- Architecture:
- Pipelined
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 1.7V ~ 1.9V
- Voltage - Supply, Digital:
- 1.7V ~ 1.9V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 48-LFCSP (7x7)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9250BCPZRL7-250 FAQ
1.How can I place an order for AD9250BCPZRL7-250 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9250BCPZRL7-250 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 AD9250BCPZRL7-250 reliable?
The price and inventory of AD9250BCPZRL7-250 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9250BCPZRL7-250 is usually 5 days.
3.What payment methods are accepted for AD9250BCPZRL7-250?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9250BCPZRL7-250 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9250BCPZRL7-250?
AD9250BCPZRL7-250 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9250BCPZRL7-250 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 AD9250BCPZRL7-250?
For technical support, including AD9250BCPZRL7-250 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9250BCPZRL7-250 requirements.
6.How does Aetrix verify that AD9250BCPZRL7-250 is sourced from the original manufacturer or authorized distributors?
All AD9250BCPZRL7-250 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 AD9250BCPZRL7-250 meets industry standards.
7.What is the process for return or replacement of AD9250BCPZRL7-250?
All AD9250BCPZRL7-250 units undergo pre-shipment inspection (PSI). If there is an issue with AD9250BCPZRL7-250, 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 AD9250BCPZRL7-250 part is unused and in its original packaging.
Return procedure for AD9250BCPZRL7-250:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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