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Analog Devices Inc. AD9683BCPZ-250
- Part No.:
- AD9683BCPZ-250
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 32-WFQFN Exposed Pad, CSP
- Datasheet:
-
AD9683BCPZ-250.pdf
- Description:
- IC ADC 14BIT PIPELINED 32LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,457
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Product details
Overview
AD9683BCPZ-250 from Analog Devices is a 14-bit, 250 MSPS analog-to-digital converter with JESD204B Subclass 0/1 serial interface, 70.6 dBFS SNR at 185 MHz input, 88 dBc SFDR, and 434 mW total power consumption. It operates from a single 1.8 V supply, supports IF sampling up to 400 MHz, and targets high-speed communications receivers.
For engineers reviewing the AD9683BCPZ-250 datasheet, AD9683BCPZ-250 pinout, AD9683BCPZ-250 application, or AD9683BCPZ-250 equivalent, key selection considerations include JESD204B lane rate (5 Gbps), ADC clock duty cycle stabilizer (DCS), RFCLK support up to 1500 MHz, integer 1-to-8 clock divider, and fast detect (FD) output for overrange monitoring.
Technical Context
The AD9683BCPZ-250 implements a multistage differential pipelined ADC core with integrated error correction logic and an on-chip voltage reference. Its analog front end supports 1.4–2.0 Vp-p differential input range and features proprietary differential input architecture optimized for wideband IF sampling.
JESD204B serial output uses CML signaling at up to 5 Gbps lane rate, with configurable Subclass 0 or 1 operation and dedicated SYSREF± and SYNCINB± synchronization inputs. Clock generation includes internal DCS and optional PLL-based multiplication of the input sampling clock for JESD204B data rate alignment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 discrete amplitude levels for high-fidelity digitization of wide dynamic range signals. |
| Max Sampling Rate | 250 MSPS - enables Nyquist-limited bandwidth up to 125 MHz or IF sampling of 185 MHz carriers with aliasing control. |
| SNR @ 185 MHz | 70.6 dBFS - ensures >11.3 ENOB for accurate representation of high-frequency modulated waveforms in LTE/WiMAX receivers. |
| SFDR @ 185 MHz | 88 dBc - suppresses spurious content sufficiently for DOCSIS 3.0 upstream and radar pulse detection applications. |
| Lane Rate | 5 Gbps - reduces PCB routing complexity versus parallel CMOS outputs while maintaining full 250 MSPS throughput. |
| Power Consumption | 434 mW at 250 MSPS - balances performance and thermal load in space-constrained 32-lead LFCSP packages. |
| Analog Input Range | 1.4–2.0 Vp-p (1.75 Vp-p nominal) - allows direct interfacing with transformer-coupled or balun-based RF front ends without gain adjustment. |
| RF Clock Support | 500–1500 MHz - permits direct sampling of RF bands without external downconversion in SDR and COMSEC architectures. |
Pinout & Package
The AD9683BCPZ-250 is housed in a 32-lead, 5 mm × 5 mm LFCSP package with exposed thermal pad (EPAD) that must be soldered to AGND for proper operation and thermal management.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK+, CLK− | Differential Nyquist clock input | Accepts CMOS/LVDS/LVPECL clocks; DCS corrects duty cycle to maintain aperture accuracy at 250 MSPS. |
| RFCLK | High-frequency RF clock input | Enables direct RF sampling up to 1500 MHz; bypasses internal clock divider for low-jitter timing paths. |
| VIN+, VIN− | Differential analog input | Supports 1.4–2.0 Vp-p swing; input impedance is 20 kΩ || 2.5 pF for matching to 50 Ω sources via AC coupling. |
| SERDOUT0+, SERDOUT0− | JESD204B CML serial output lane | Delivers encoded 14-bit samples at 5 Gbps; requires 100 Ω differential termination to DRVDD-referenced CML receiver. |
| SYSREF+, SYSREF− | JESD204B subclass 1 synchronization input | LVDS-level signal aligning multi-device sample timing; critical for deterministic latency in phased-array systems. |
| FD | Fast detect overrange indicator | CMOS-level output pulses within 7 ADC cycles when input exceeds programmable threshold-enables real-time AGC response. |
| RST, PDWN, CS, SCLK, SDIO | 3-wire SPI control interface | Configures DCS, power modes, test patterns, and JESD204B link parameters; supports hardware reset and standby entry. |
Key Features
| Feature | Design Value |
|---|---|
| JESD204B Subclass 0/1 compliance | Reduces interface pin count from 14+ parallel lines to 2 CML differential pairs, easing high-density PCB layout and EMI control. |
| On-chip voltage reference | Eliminates need for external precision reference IC and associated decoupling, reducing BOM count and board area in compact radios. |
| Duty cycle stabilizer (DCS) | Compensates for clock asymmetry to maintain <0.16 ps rms jitter, preserving SNR performance even with imperfect clock sources. |
| Programmable fast detect (FD) | Provides sub-30 ns overrange alert (7-cycle latency) for closed-loop AGC in diversity receivers and smart antenna beamforming. |
| Integer 1-to-8 clock divider | Allows flexible system clock tree design-e.g., use 500 MHz oscillator with ÷2 to generate 250 MSPS sampling clock. |
| RFCLK input path | Bypasses internal clock divider to accept 500–1500 MHz clocks directly, enabling zero-IF or low-IF architectures without external synthesizers. |
Applications
| Communications Receiver | DOCSIS 3.0 CMTS |
|---|---|
|
Use Scenario: Multimode base station front end digitizing W-CDMA, LTE, and TD-SCDMA signals in 70–380 MHz IF band. IC Role / Device Role / Timing Role: Primary ADC capturing 185 MHz IF with 70.6 dBFS SNR and deterministic JESD204B latency for digital predistortion feedback. Use Value: Enables single-chip digitization of wide instantaneous bandwidths without external decimation, reducing FPGA resource usage. |
Use Scenario: Upstream receive path in cable modem termination systems handling multiple 6.4 MHz upstream channels simultaneously. IC Role / Device Role / Timing Role: High-linearity ADC sampling at 250 MSPS to resolve composite upstream spectrum with 88 dBc SFDR suppression of in-band interferers. Use Value: Supports >30 dB CNR margin in noisy reverse-path HFC networks through superior spurious-free dynamic range. |
| Radar Pulse Detection | Electronic Warfare System |
|
Use Scenario: Digital receiver in ground-based radar detecting short-duration pulses across 100–400 MHz bandwidth. IC Role / Device Role / Timing Role: Wideband ADC with 1000 MHz full-power bandwidth and fast detect output triggering pulse capture logic. Use Value: Captures transient radar returns with minimal dead time-7-cycle FD latency enables real-time pulse gating and analysis. |
Use Scenario: SIGINT platform performing real-time spectrum analysis and jamming waveform synthesis across 50–2000 MHz. IC Role / Device Role / Timing Role: Dual-role ADC for signal acquisition and DAC reference clock synchronization via JESD204B SYSREF alignment. Use Value: Ensures phase-coherent multi-channel sampling across distributed EW sensors using deterministic JESD204B subclass 1 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 |
|---|---|---|---|
| AD9684BCPZ-250 | 14-bit, 250 MSPS, dual-channel version with identical JESD204B interface and SNR/SFDR specs. | Required where simultaneous sampling of two independent IF paths is needed (e.g., I/Q demodulation or MIMO). | Select AD9684BCPZ-250 only if dual-channel correlation or channel-matched performance is mandatory; otherwise AD9683BCPZ-250 offers lower power and cost per channel. |
| ADS54J60IRGCT | 14-bit, 500 MSPS, JESD204B subclass 1, but higher 725 mW power and no integrated voltage reference. | Suitable for wider instantaneous bandwidth (>200 MHz) or higher Nyquist-rate sampling where 250 MSPS is insufficient. | Choose ADS54J60IRGCT only when >250 MSPS sampling is required; AD9683BCPZ-250 provides better power efficiency and simpler power supply design for 250 MSPS use cases. |
Compared with AD9684BCPZ-250 and ADS54J60IRGCT, the AD9683BCPZ-250 delivers optimal balance of 250 MSPS performance, 434 mW power, integrated reference, and deterministic JESD204B latency-making it the preferred choice for single-channel IF digitization in space- and power-constrained communications platforms.
Availability
AD9683BCPZ-250 is available at Aetrix Electronics and suitable for communications receivers, DOCSIS 3.0 CMTS equipment, radar pulse detection systems, and electronic warfare platforms requiring stable component supply and long-term obsolescence management.
Supply support for AD9683BCPZ-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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and defense markets since 1965.
The AD9683BCPZ-250 belongs to Analog Devices' high-speed data converter product line, designed specifically for wideband communications infrastructure, software-defined radio, and instrumentation applications demanding low power, high linearity, and JESD204B interoperability.
FAQ
What is the maximum RF clock frequency supported by the AD9683BCPZ-250?
The AD9683BCPZ-250 supports RFCLK input frequencies from 500 MHz to 1500 MHz, enabling direct RF sampling without external downconversion. This capability is documented in Table 3 of the Rev. D datasheet under "RF CLOCK INPUT (RFCLK)" specifications, where the "RF Clock Rate" parameter specifies 500–1500 MHz as the operational range for the AD9683BCPZ-250.
Does the AD9683BCPZ-250 require an external voltage reference?
No, the AD9683BCPZ-250 includes an internal analog-to-digital converter voltage reference, eliminating the need for an external reference IC. This is confirmed in the "General Description" section (Page 1) and "Product Highlights" (Page 3), which state "Internal analog-to-digital converter (ADC) voltage reference" and list it as a key feature for easing design considerations.
What JESD204B subclass modes does the AD9683BCPZ-250 support?
The AD9683BCPZ-250 supports both JESD204B Subclass 0 and Subclass 1 operation, as explicitly stated in the "Features" section (Page 1) and "JESD204B Transmit Top Level Description" (Page 24). Subclass 1 mode requires SYSREF± for deterministic latency, while Subclass 0 uses SYNCINB± for basic synchronization-both are fully implemented in the AD9683BCPZ-250.
What is the typical power consumption of the AD9683BCPZ-250 at full 250 MSPS operation?
The AD9683BCPZ-250 consumes 434 mW total power at 250 MSPS with sine-wave input, as specified in the "Features" section (Page 1) and Table 1 ("ADC DC SPECIFICATIONS") on Page 4 of the Rev. D datasheet. This value includes contributions from AVDD (163 mA), DRVDD + DVDD (97 mA), and accounts for all active circuitry including JESD204B serialization.
How many pins does the AD9683BCPZ-250 package have, and what is its footprint?
The AD9683BCPZ-250 uses a 32-lead LFCSP package measuring 5 mm × 5 mm, as stated in the "Product Highlights" (Page 3) and "Pin Configuration and Function Descriptions" (Page 11). The top-view pin diagram (Figure 4) confirms 32 physical terminals, including 7 AVDD pins, 2 DVDD pins, and an exposed thermal pad (EPAD) that must be soldered to AGND.
AD9683BCPZ-250 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 32-WFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 250M
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- JESD204B
- Configuration:
- ADC
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 1
- Architecture:
- Pipelined
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 1.7V ~ 1.9V
- Voltage - Supply, Digital:
- 1.7V ~ 1.9V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 32-LFCSP (5x5)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9683BCPZ-250 FAQ
1.How can I place an order for AD9683BCPZ-250 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9683BCPZ-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 AD9683BCPZ-250 reliable?
The price and inventory of AD9683BCPZ-250 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9683BCPZ-250 is usually 5 days.
3.What payment methods are accepted for AD9683BCPZ-250?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9683BCPZ-250 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9683BCPZ-250?
AD9683BCPZ-250 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9683BCPZ-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 AD9683BCPZ-250?
For technical support, including AD9683BCPZ-250 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9683BCPZ-250 requirements.
6.How does Aetrix verify that AD9683BCPZ-250 is sourced from the original manufacturer or authorized distributors?
All AD9683BCPZ-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 AD9683BCPZ-250 meets industry standards.
7.What is the process for return or replacement of AD9683BCPZ-250?
All AD9683BCPZ-250 units undergo pre-shipment inspection (PSI). If there is an issue with AD9683BCPZ-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 AD9683BCPZ-250 part is unused and in its original packaging.
Return procedure for AD9683BCPZ-250:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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