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Analog Devices Inc. AD9250BCPZ-170
- Part No.:
- AD9250BCPZ-170
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 48-WFQFN Exposed Pad, CSP
- Datasheet:
-
AD9250BCPZ-170.pdf
- Description:
- IC ADC 14BIT PIPELINED 48LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,152
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Product details
Overview
AD9250BCPZ-170 from Analog Devices is a dual-channel, 14-bit analog-to-digital converter with 170 MSPS sampling rate, JESD204B Subclass 0/1 serial interface, 70.7 dBFS SNR at 185 MHz input, and 95 dB channel isolation-designed for IF-sampling in multimode wireless receivers and radar front ends.
For engineers reviewing the AD9250BCPZ-170 datasheet, AD9250BCPZ-170 pinout, AD9250BCPZ-170 application, or AD9250BCPZ-170 equivalent, key selection criteria include JESD204B lane configuration (M=2, L=2), 1.8 V single-supply operation, internal voltage reference, ADC clock duty cycle stabilizer, and RFCLK support up to 1.5 GHz.
Technical Context
The AD9250BCPZ-170 implements two independent pipeline ADC cores with integrated error correction logic, each supporting differential analog inputs up to 400 MHz full-power bandwidth and configurable 1.4–2.0 Vp-p input range. It features an on-chip PLL that multiplies the input sampling clock to generate the JESD204B link clock, eliminating external clock synthesis.
JESD204B serialization operates at up to 3.4 Gbps per lane (Subclass 0 or 1), with deterministic latency of 36 cycles in M2/L2 mode and synchronized capture via SYSREF± and SYNCINB± inputs. The device supports integer 1-to-8 clock division and includes fast detect outputs (FDA/FDB) with 7-cycle latency for overrange monitoring.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 11.2 ENOB at 185 MHz input, enabling high-fidelity digitization of wideband IF signals. |
| Sampling Rate | 170 MSPS - supports Nyquist-zone sampling of signals up to 85 MHz or IF sampling up to 400 MHz using undersampling techniques. |
| SNR / SFDR | 70.7 dBFS SNR and 88 dBc SFDR at 185 MHz - ensures clean spectral representation for LTE/WiMAX baseband processing. |
| JESD204B Data Rate | Up to 3.4 Gbps per lane - reduces PCB routing complexity versus parallel CMOS interfaces and enables compact FPGA interfacing. |
| Power Consumption | 607 mW at 170 MSPS - optimized for power-constrained communications infrastructure with standby (280 mW) and power-down (9 mW) modes. |
| Analog Input Range | 1.4–2.0 Vp-p (1.75 Vp-p nominal) - allows direct connection to transformer-coupled or balun-based RF front ends without gain adjustment. |
| Channel Isolation | 95 dB - prevents crosstalk between dual ADC channels in I/Q demodulation or diversity receiver architectures. |
Pinout & Package
The AD9250BCPZ-170 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/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN+A / VIN–A | Differential analog input Channel A | Accepts 1.4–2.0 Vp-p differential signal; common-mode voltage fixed at 0.9 V; input impedance 20 kΩ || 2.5 pF. |
| VIN+B / VIN–B | Differential analog input Channel B | Independent second channel with identical specs; 95 dB isolation from Channel A enables true dual-path I/Q sampling. |
| CLK+ / CLK− | Differential sampling clock input | Accepts 40–625 MHz LVDS/LVPECL/CMOS; internal DCS corrects duty cycle to maintain ADC linearity. |
| RFCLK | Optional RF clock input | Supports 650–1500 MHz clocking for direct RF sampling applications; bypasses internal divider and DCS. |
| SYSREF+ / SYSREF− | JESD204B synchronization reference | Enables deterministic latency alignment across multiple converters; required for Subclass 1 operation. |
| SERDOUT0± / SERDOUT1± | JESD204B serial data outputs | CML-level outputs; 400–750 mVp-p; 100 Ω differential termination; supports M=2, L=2 configuration at 3.4 Gbps/lane. |
| FDA / FDB | Fast detect outputs (per channel) | Asynchronous digital flags indicating overrange condition with 7-cycle latency; usable for real-time AGC or clipping mitigation. |
Key Features
| Feature | Design Value |
|---|---|
| Dual 14-bit pipeline ADC cores | Independent sampling paths with matched gain/offset (±2% gain error, ±15 mV offset error) enable precise I/Q imbalance correction. |
| JESD204B Subclass 0/1 interface | Reduces interface pin count by >60% vs. parallel CMOS; supports deterministic latency and multi-device synchronization via SYSREF. |
| On-chip PLL with clock multiplication | Eliminates need for external high-frequency clock source; generates JESD204B link clock from low-jitter 170 MHz sampling clock. |
| Internal voltage reference | Removes external reference IC and associated layout sensitivity; maintains 1.75 Vp-p full-scale accuracy across −40°C to +85°C. |
| ADC clock duty cycle stabilizer (DCS) | Compensates for clock asymmetry to preserve SNR; critical when using non-50% duty cycle sources like divide-by-odd clocks. |
| Flexible power management | Three low-power states: standby (280 mW), output power-down (50 µs wake-up), and full power-down (9 mW, 250 µs wake-up). |
Applications
| Direct-Conversion Radio Receiver | DOCSIS 3.0 CMTS Upstream Path |
|---|---|
|
Use Scenario: Digitizing 0–65 MHz upstream spectrum from cable modems using quadrature downconversion. IC Role / Device Role / Timing Role: Dual ADC captures I and Q baseband signals simultaneously with 95 dB isolation to prevent image leakage. Use Value: 70.7 dBFS SNR preserves modulation accuracy for 256-QAM upstream channels; JESD204B simplifies FPGA interface routing. |
Use Scenario: Sampling composite upstream return path (5–85 MHz) in headend equipment with high dynamic range requirements. IC Role / Device Role / Timing Role: High-linearity ADC front end with programmable overrange detection (FDA/FDB) for burst-mode signal monitoring. Use Value: 88 dBc SFDR suppresses adjacent-channel interference; 1.8 V supply reduces system power density in dense CMTS blade designs. |
| Radar IF Digitization | Software-Defined Test Equipment |
|
Use Scenario: Capturing 100–300 MHz IF signals from pulsed radar receivers requiring phase-coherent dual-channel acquisition. IC Role / Device Role / Timing Role: Synchronized dual ADC with SYSREF± input ensures deterministic latency for time-of-flight calculations. Use Value: 36-cycle fixed latency in M2/L2 mode enables precise pulse timing; 400 MHz full-power bandwidth supports wide IF bands. |
Use Scenario: Modular digitizer module in automated test systems requiring reconfigurable sample rates and interface protocols. IC Role / Device Role / Timing Role: Reusable ADC core supporting both 170 MSPS and 250 MSPS speed grades via same footprint and register map. Use Value: SPI-configurable JESD204B lanes (M=1/2, L=1/2) allow adaptation to different FPGA resources; 1.4–2.0 Vp-p input range eases signal conditioning design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, JESD204B ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9250BCPZ-250 | Same architecture and pinout; rated for 250 MSPS with higher power (711 mW) and slightly lower SNR (70.6 dBFS at 185 MHz). | Required for systems needing >170 MSPS sampling, e.g., wider instantaneous bandwidth radar or 5G NR FR1 test equipment. | Select AD9250BCPZ-250 only if 250 MSPS is mandatory; AD9250BCPZ-170 offers better power efficiency for 170 MSPS use cases. |
| ADS42JB69IRGCT | Texas Instruments dual 16-bit, 250 MSPS ADC; JESD204B Subclass 0 only; no internal PLL; requires external clock multiplier. | Better resolution (16-bit) but lacks SYSREF support for deterministic latency; higher power (1.2 W) and larger 64-QFN package. | Choose ADS42JB69IRGCT for applications prioritizing DC accuracy and ENOB over synchronization capability and thermal density. |
Compared with AD9250BCPZ-250, the AD9250BCPZ-170 reduces power by 104 mW at equivalent 185 MHz input conditions while maintaining identical pinout and register compatibility; versus ADS42JB69IRGCT, it trades 2-bit resolution for deterministic JESD204B Subclass 1 timing and integrated clock multiplication.
Availability
AD9250BCPZ-170 is available at Aetrix Electronics and suitable for diversity radio systems, DOCSIS 3.0 CMTS upstream receive paths, and radar receivers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for AD9250BCPZ-170 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 operations worldwide.
The AD9250 belongs to Analog Devices' high-speed data converter product line, engineered specifically for broadband communications infrastructure, defense electronics, and test equipment where wide bandwidth, low power, and JESD204B interoperability are critical.
FAQ
What is the maximum analog input frequency supported by the AD9250BCPZ-170?
The AD9250BCPZ-170 supports analog input frequencies up to 400 MHz, defined as its full-power bandwidth-the frequency at which the fundamental signal amplitude drops by 3 dB. This enables undersampling of IF signals in wireless infrastructure and radar applications without requiring external anti-alias filtering beyond the Nyquist limit of 85 MHz for baseband sampling.
Does the AD9250BCPZ-170 require an external voltage reference?
No, the AD9250BCPZ-170 includes an internal voltage reference that sets the 1.75 Vp-p nominal full-scale input range. This eliminates the need for external reference components, reduces board space, and improves temperature stability-typical drift is ±16 ppm/°C for gain error across −40°C to +85°C.
Can the AD9250BCPZ-170 operate with a single-ended clock input?
No, the AD9250BCPZ-170 requires differential clock inputs (CLK+ and CLK−) compliant with CMOS, LVDS, or LVPECL logic levels. Single-ended clock sources must be converted using a dedicated clock buffer or transformer; the device does not support single-ended clock termination or internal conversion.
What JESD204B subclass configurations does the AD9250BCPZ-170 support?
The AD9250BCPZ-170 supports both JESD204B Subclass 0 and Subclass 1. Subclass 1 requires SYSREF± for deterministic latency and is mandatory for multi-device synchronization; Subclass 0 uses SYNCINB± for basic lane alignment and is suitable for single-converter systems.
How is the AD9250BCPZ-170's power consumption distributed across supply rails?
At 170 MSPS, the AD9250BCPZ-170 draws 233 mA from AVDD (analog), 104 mA combined from DRVDD and DVDD (digital/serializer), totaling 607 mW. The 1.8 V supplies are fully decoupled internally; AVDD powers the ADC cores and reference, while DRVDD/DVDD drive the JESD204B serializers and SPI interface.
AD9250BCPZ-170 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 48-WFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 170M
- 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:
- -
AD9250BCPZ-170 FAQ
1.How can I place an order for AD9250BCPZ-170 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9250BCPZ-170 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 AD9250BCPZ-170 reliable?
The price and inventory of AD9250BCPZ-170 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9250BCPZ-170 is usually 5 days.
3.What payment methods are accepted for AD9250BCPZ-170?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9250BCPZ-170 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9250BCPZ-170?
AD9250BCPZ-170 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9250BCPZ-170 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 AD9250BCPZ-170?
For technical support, including AD9250BCPZ-170 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9250BCPZ-170 requirements.
6.How does Aetrix verify that AD9250BCPZ-170 is sourced from the original manufacturer or authorized distributors?
All AD9250BCPZ-170 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 AD9250BCPZ-170 meets industry standards.
7.What is the process for return or replacement of AD9250BCPZ-170?
All AD9250BCPZ-170 units undergo pre-shipment inspection (PSI). If there is an issue with AD9250BCPZ-170, 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 AD9250BCPZ-170 part is unused and in its original packaging.
Return procedure for AD9250BCPZ-170:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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