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Analog Devices Inc. AD9246BCPZRL7-80
- Part No.:
- AD9246BCPZRL7-80
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 48-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9246BCPZRL7-80.pdf
- Description:
- IC ADC 14BIT PIPELINED 48LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:743
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Product details
Overview
AD9246BCPZRL7-80 from Analog Devices is a 14-bit, 80 MSPS analog-to-digital converter operating from a single 1.8 V analog supply with 1.8 V to 3.3 V digital output driver supply, delivering 71.9 dBc SNR at 2.4 MHz input and 71.7 dBc at 70 MHz, DNL ±0.4 LSB, and 650 MHz analog input bandwidth. It serves as a high-performance IF sampling ADC in communications receivers and ultrasound front-ends.
For engineers reviewing the AD9246BCPZRL7-80 datasheet, AD9246BCPZRL7-80 pinout, AD9246BCPZRL7-80 application, or AD9246BCPZRL7-80 equivalent, key selection criteria include its 80 MSPS sample rate, differential clock interface (CMOS/LVDS/LVPECL), on-chip duty cycle stabilizer, 48-lead LFCSP_VQ package, and support for offset binary/Gray/twos complement data formats.
Technical Context
The AD9246BCPZRL7-80 employs a multistage differential pipeline architecture with output error correction logic to guarantee 14-bit accuracy and no missing codes over −40°C to +85°C. Its patented sample-and-hold amplifier supports true differential inputs up to 225 MHz and flexible full-scale ranges (1 V p-p to 2 V p-p).
A dedicated duty cycle stabilizer (DCS) maintains performance across wide clock duty cycle variations (20%–80%), while the serial port interface enables configuration of data format, DCS enable, power-down mode, and reference selection without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - guarantees monotonicity and no missing codes across industrial temperature range |
| Sample Rate | 80 MSPS - fixed maximum conversion rate for this variant, enabling IF sampling up to ~35 MHz Nyquist zone |
| SNR @ 70 MHz | 71.7 dBc - defines usable dynamic range for wideband signal capture in CDMA/IMT-2000 baseband processing |
| SFDR @ 70 MHz | 85 dBc - determines spurious-free resolution for multi-carrier systems like WCDMA |
| Analog Input BW | 650 MHz - supports undersampling of RF/IF signals beyond Nyquist, e.g., direct IF sampling at 170 MHz |
| Power @ 80 MSPS | 350 mW (DRVDD = 3.3 V) - enables thermal management in compact battery-powered instruments |
| Differential Nonlinearity | ±0.4 LSB (25°C) - ensures low harmonic distortion in precision imaging and medical ultrasound digitization |
Pinout & Package
The AD9246BCPZRL7-80 is housed in a 48-lead LFCSP_VQ (7 mm × 7 mm, 0.75 mm height) with exposed thermal pad (Pin 0) soldered to AGND for optimal thermal performance and EMI control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN+, VIN− | Differential analog input | Accepts 1 V p-p to 2 V p-p full-scale swing; supports DC-coupled or AC-coupled IF inputs with 650 MHz bandwidth |
| CLK+, CLK− | Differential clock input | Supports CMOS/LVDS/LVPECL logic; internal bias enables single-ended drive with external termination |
| D0–D13 | Parallel digital outputs | 14-bit MSB-aligned data in offset binary, Gray, or twos complement; driven by DRVDD-supplied buffers |
| DCO | Data clock output | Source-synchronous clock aligned to data edges, critical for timing closure with FPGA/ASIC receivers |
| SDIO/DCS, SCLK/DFS, CSB | SPI-compatible control interface | Configures data format, DCS enable, power-down, and reference mode; operates independently of conversion clock |
| PDWN | Hardware power-down control | Reduces power to 1.8 mW; enables rapid wake-up (<350 μs) for burst-mode acquisition systems |
Key Features
| Feature | Design Value |
|---|---|
| Single 1.8 V analog supply | Eliminates dual-supply sequencing complexity and reduces board-level power regulation cost in portable medical devices |
| Programmable data format | Offset binary (default), Gray code, or twos complement selectable via SPI or hardware pins-enables seamless integration with legacy DSP/FPGA logic |
| On-chip duty cycle stabilizer | Compensates for >20% clock duty cycle variation without external circuitry, ensuring stable aperture jitter (<0.1 ps rms) |
| Flexible analog input range | 1 V p-p to 2 V p-p full-scale span configurable via REFT/REFB-supports both high-SNR narrowband and wide-dynamic-range IF inputs |
| Built-in test pattern generation | Selectable digital ramp, checkerboard, or PN sequence simplifies system-level validation without external signal sources |
Applications
| Ultrasound Beamforming | IF Sampling in Cellular Base Stations |
|---|---|
Use Scenario: Digitizing 5–15 MHz echo return signals from phased-array transducers in portable ultrasound systems. IC Role / Device Role / Timing Role: High-speed ADC capturing time-aligned channel data for real-time beam synthesis and Doppler processing. Use Value: 71.7 dBc SNR at 70 MHz input preserves tissue contrast resolution; 14-bit depth enables precise amplitude mapping of weak echoes. | Use Scenario: Direct sampling of 45–55 MHz IF signals in IS-95/CDMA-One receiver front-ends. IC Role / Device Role / Timing Role: Wideband ADC performing undersampling to bypass analog downconversion stages. Use Value: 650 MHz analog input bandwidth allows clean capture of second Nyquist zone signals; 85 dBc SFDR suppresses adjacent-channel interference. |
| Battery-Powered Scopemeters | Low-Cost Digital Oscilloscopes |
Use Scenario: Portable handheld instrument acquiring transient waveforms up to 35 MHz bandwidth with >100 kpts memory depth. IC Role / Device Role / Timing Role: Primary digitizer converting analog probe signals into time-domain samples for display and analysis. Use Value: 350 mW power at 80 MSPS extends battery life; DCO output simplifies FPGA-based data capture timing design. | Use Scenario: Entry-level bench oscilloscope requiring ≥50 MHz real-time bandwidth and ≥1 Mpts record length. IC Role / Device Role / Timing Role: Cost-optimized ADC delivering 14-bit resolution without external reference or driver amplifiers. Use Value: Integrated voltage reference and sample-and-hold eliminate 3–5 BOM components; LFCSP_VQ package enables compact 4-layer PCB layout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog-to-digital conversion applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9233BCPZRL7-80 | 12-bit resolution, identical 80 MSPS rate, pin-compatible LFCSP_VQ package, lower power (220 mW) | Lower dynamic range (67 dBc SNR) limits use in high-fidelity ultrasound or multi-carrier cellular IF | Select when 12-bit resolution suffices and system SNR budget permits 4–5 dB margin reduction |
| ADS5271IPFP | 12-bit, 65 MSPS, 48-pin TQFP, separate analog/digital supplies, no integrated reference | Lacks on-chip DCS and voltage reference; requires external clock conditioning and reference circuitry | Choose for TI ecosystem designs where external clock cleanup and reference are already present |
Compared with AD9233BCPZRL7-80 and ADS5271IPFP, the AD9246BCPZRL7-80 provides 2 additional bits of resolution and integrated features (DCS, reference, test patterns), enabling higher fidelity signal capture in space-constrained, low-power medical and communications equipment without added support components.
Availability
AD9246BCPZRL7-80 is available at Aetrix Electronics and suitable for ultrasound beamforming, IF sampling in cellular base stations, and battery-powered scopemeters requiring stable component supply and long-term production continuity.
Supply support for AD9246BCPZRL7-80 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.
The AD9246 product line delivers high-speed, low-power ADCs optimized for communications infrastructure, medical imaging, and portable test equipment where resolution, SNR, and integration reduce system complexity.
FAQ
What is the maximum analog input frequency supported by the AD9246BCPZRL7-80?
The AD9246BCPZRL7-80 features a 650 MHz analog input bandwidth, enabling reliable undersampling of input signals up to 225 MHz while maintaining specified SNR and SFDR performance. This capability is validated per the datasheet's patented sample-and-hold amplifier design and confirmed in Figures 12–19 for single-tone and two-tone FFTs up to 300.3 MHz.
Does the AD9246BCPZRL7-80 require an external voltage reference?
No, the AD9246BCPZRL7-80 integrates a precision voltage reference with 1.0 V nominal output and ±20 mV error over temperature. The SENSE pin allows selection between internal reference (default) or external reference mode, eliminating the need for external reference ICs in most applications unless tighter tolerance or custom voltage is required.
How does the duty cycle stabilizer (DCS) function in the AD9246BCPZRL7-80?
The AD9246BCPZRL7-80's DCS dynamically adjusts internal clock paths to maintain consistent aperture timing despite input clock duty cycles ranging from 20% to 80%. As shown in Figure 31, it preserves SNR and SFDR within 0.5 dB across that range-critical when using crystal oscillators or PLLs with variable edge symmetry.
What digital output formats does the AD9246BCPZRL7-80 support?
The AD9246BCPZRL7-80 supports three parallel output formats: offset binary (default), Gray code, and twos complement. Format selection is performed via SPI register writes or hardware pin strapping (SCLK/DFS pin), allowing compatibility with diverse FPGA logic families and legacy DSP interfaces without external translation logic.
Is the AD9246BCPZRL7-80 pin-compatible with other members of the AD9246 family?
Yes, all AD9246 speed grades-including AD9246BCPZRL7-80, AD9246BCPZRL7-105, and AD9246BCPZRL7-125-share identical 48-lead LFCSP_VQ pinouts and footprint. This allows hardware reuse across performance tiers, with only clock frequency and power supply decoupling adjustments needed for migration.
AD9246BCPZRL7-80 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):
- 80M
- Number of Inputs:
- 1
- Input Type:
- Differential, Single Ended
- 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:
- -
AD9246BCPZRL7-80 FAQ
1.How can I place an order for AD9246BCPZRL7-80 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9246BCPZRL7-80 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 AD9246BCPZRL7-80 reliable?
The price and inventory of AD9246BCPZRL7-80 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9246BCPZRL7-80 is usually 5 days.
3.What payment methods are accepted for AD9246BCPZRL7-80?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9246BCPZRL7-80 transactions.
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4.How is shipping managed for AD9246BCPZRL7-80?
AD9246BCPZRL7-80 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9246BCPZRL7-80 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 AD9246BCPZRL7-80?
For technical support, including AD9246BCPZRL7-80 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9246BCPZRL7-80 requirements.
6.How does Aetrix verify that AD9246BCPZRL7-80 is sourced from the original manufacturer or authorized distributors?
All AD9246BCPZRL7-80 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 AD9246BCPZRL7-80 meets industry standards.
7.What is the process for return or replacement of AD9246BCPZRL7-80?
All AD9246BCPZRL7-80 units undergo pre-shipment inspection (PSI). If there is an issue with AD9246BCPZRL7-80, 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 AD9246BCPZRL7-80 part is unused and in its original packaging.
Return procedure for AD9246BCPZRL7-80:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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