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Analog Devices Inc. AD9643BCPZRL7-210
- Part No.:
- AD9643BCPZRL7-210
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9643BCPZRL7-210.pdf
- Description:
- IC ADC 14BIT PIPELINED 64LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,155
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Product details
Overview
AD9643BCPZRL7-210 from Analog Devices is a dual-channel, 14-bit, 210 MSPS analog-to-digital converter (ADC) designed for high-performance IF sampling in communications infrastructure. It operates from a single 1.8 V analog supply and features LVDS outputs, integrated voltage reference, and a duty cycle stabilizer. The device supports up to 400 MHz input frequencies and delivers 70.6 dBFS SNR at 185 MHz with 210 MSPS sampling - enabling direct RF sampling in LTE and WCDMA base stations.
For engineers reviewing the AD9643BCPZRL7-210 datasheet, AD9643BCPZRL7-210 pinout, AD9643BCPZRL7-210 application, or AD9643BCPZRL7-210 equivalent, key selection criteria include its 210 MSPS real-time sampling rate, 95 dB channel isolation, −151.6 dBFS/Hz input noise floor, LVDS output compliance (ANSI-644), and support for interleaved or channel-multiplexed data formatting.
Technical Context
The AD9643BCPZRL7-210 implements two independent, multistage pipelined ADC cores with integrated error correction logic and a proprietary differential analog front end optimized for wideband IF inputs. Its integer 1-to-8 clock divider accepts up to 625 MHz input, and the internal duty cycle stabilizer ensures consistent performance across varying clock edge timing.
It uses a flexible 1.4–2.0 Vp-p analog input range (1.75 Vp-p nominal), supports both interleaved and even/odd channel-multiplexed LVDS output modes, and provides SPI-based register control via a 3-wire interface compatible with 1.8 V logic levels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - Enables precise digitization of wide dynamic range signals in wireless receivers. |
| Max Sample Rate | 210 MSPS - Supports real-time capture of 105 MHz Nyquist bandwidth signals per channel. |
| SNR @ 185 MHz | 70.6 dBFS - Delivers >11.2 ENOB for high-fidelity demodulation of dense modulation schemes. |
| Input Noise Density | −151.6 dBFS/Hz - Minimizes quantization-limited degradation in low-SNR RF front ends. |
| Channel Isolation | 95 dB - Ensures minimal crosstalk between dual channels in I/Q or diversity receiver architectures. |
| Power Consumption | 785 mW at 250 MSPS - Scales linearly; AD9643BCPZRL7-210 draws ~680 mW at rated 210 MSPS operation. |
| Digital Output | LVDS (ANSI-644) - Provides robust, low-noise, high-speed serial data transmission over PCB traces or cables. |
| Supply Voltage | 1.8 V AVDD & DRVDD - Simplifies power delivery with single-rail design and eliminates level-shifting requirements. |
Pinout & Package
The AD9643BCPZRL7-210 is housed in a 64-lead LFCSP (9 mm × 9 mm) package with an exposed thermal paddle that must be soldered to the PCB ground plane for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN+A / VIN−A VIN+B / VIN−B | Differential analog inputs (Ch A & Ch B) | Accepts 1.4–2.0 Vp-p balanced RF/IF signals up to 400 MHz; requires external AC coupling and common-mode biasing via VCM. |
| CLK+ / CLK− | Differential clock input | Supports CMOS/LVDS/LVPECL clocks up to 625 MHz; internal DCS compensates for duty cycle distortion. |
| D0+ to D13+ / D0− to D13− | LVDs data outputs (14-bit per channel) | Deliver interleaved or multiplexed 14-bit samples at 210 MSPS; ANSI-compliant swing (250–450 mV) enables noise-immune routing. |
| DCO+ / DCO− | LVDs data clock output | Provides source-synchronous clock aligned to data edges; critical for timing-critical FPGA or ASIC capture. |
| SYNC | Synchronization input | Enables deterministic phase alignment across multiple AD9643BCPZRL7-210 devices in multi-ADC systems. |
| SCLK / SDIO / CSB | SPI interface pins | Allow full configuration of gain, offset, test modes, and power states using 1.8 V–compatible 3-wire serial protocol. |
Key Features
| Feature | Design Value |
|---|---|
| Integer 1-to-8 clock divider | Enables use of lower-frequency, low-jitter master clocks (e.g., 105 MHz × 2 = 210 MSPS) while maintaining timing margin. |
| Internal voltage reference | Eliminates need for external precision reference ICs, reducing BOM count and layout complexity in compact radios. |
| ADC clock duty cycle stabilizer | Compensates for >40% duty cycle variation, preserving aperture jitter performance without requiring perfect clock symmetry. |
| Flexible power-down modes | Reduces power to 10 mW in full power-down or 90 mW in standby - critical for adaptive receive chain power management. |
| 95 dB channel isolation | Ensures independent signal paths for I/Q or diversity processing without calibration overhead for inter-channel leakage. |
| LVDS output with reduced-swing mode | Supports 150–280 mV differential swing for lower EMI and improved signal integrity on dense PCBs. |
Applications
| Base Station Remote Radio Head (RRH) | Software-Defined Radio (SDR) Transceiver |
|---|---|
Use Scenario: Digitizing dual-channel IF signals from up/down-conversion mixers in 4G/5G macrocell RRH units operating at 185 MHz center frequency. IC Role / Device Role / Timing Role: Dual ADC core performing simultaneous I/Q sampling at 210 MSPS with <1 ps rms jitter, feeding FPGA-based digital downconverters. Use Value: 70.6 dBFS SNR and 95 dB isolation enable clean separation of adjacent LTE carriers without analog pre-filtering. | Use Scenario: Reconfigurable wideband receiver in military or test equipment supporting multi-standard waveforms (LTE, WiMAX, TD-SCDMA). IC Role / Device Role / Timing Role: High-speed digitizer providing programmable sample rates (up to 210 MSPS) and flexible LVDS output formatting for real-time spectrum analysis. Use Value: Integrated reference and clock stabilizer reduce system-level calibration burden while maintaining ENOB >11.2 across 30–220 MHz input band. |
| Ultrasound Beamformer Front End | Phased Array Radar Receiver |
Use Scenario: Capturing echo return signals from 5–15 MHz transducer arrays with precise time-of-flight resolution. IC Role / Device Role / Timing Role: Dual-channel ADC acquiring synchronized analog beamformed signals with sub-ns timing alignment via SYNC input. Use Value: 14-bit resolution and −151.6 dBFS/Hz noise floor preserve weak echo amplitude detail critical for tissue contrast imaging. | Use Scenario: Digitizing X-band (8–12 GHz) downconverted IF outputs (e.g., 100–300 MHz) in active electronically scanned array (AESA) radar receivers. IC Role / Device Role / Timing Role: Dual ADC delivering high SFDR (>85 dBc) and low spurious content to support pulse-Doppler processing. Use Value: 85 dBc SFDR at 185 MHz and 210 MSPS enables detection of small radar cross-section targets amid strong clutter. |
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 |
|---|---|---|---|
| AD9643BCPZRL7-170 | Lower max sample rate (170 MSPS); identical pinout, package, and feature set. | Suitable for cost-sensitive 3G/WiMAX systems where 105 MHz Nyquist bandwidth suffices. | Select when system clock constraints or power budget require reduced throughput without redesign. |
| AD9680BCPZRL7-500 | Higher speed (500 MSPS), 14-bit resolution, same LFCSP-64 package but different pin mapping and SPI register map. | Required for direct RF sampling above 250 MHz IF or wideband electronic warfare receivers. | Choose only if higher sample rate justifies revalidation of layout, timing, and firmware integration. |
Compared with AD9643BCPZRL7-170, the AD9643BCPZRL7-210 offers +40 MSPS throughput and marginally better SNR/SFDR at high IFs; versus AD9680BCPZRL7-500, it trades raw speed for proven stability, lower power, and drop-in compatibility within existing AD9643-based designs.
Availability
AD9643BCPZRL7-210 is available at Aetrix Electronics and suitable for LTE base station development, phased-array radar prototyping, and ultrasound beamformer production requiring stable component supply and long-term industrial temperature support (−40°C to +85°C).
Supply support for AD9643BCPZRL7-210 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 communications, industrial, automotive, and healthcare markets with precision data conversion and RF technologies.
The AD9643 product line delivers dual-channel, high-speed ADCs optimized for communications infrastructure - emphasizing wide input bandwidth, low power, and seamless integration into FPGAs and SoCs via LVDS interfaces.
FAQ
What is the maximum analog input frequency supported by the AD9643BCPZRL7-210?
The AD9643BCPZRL7-210 supports analog input frequencies up to 400 MHz, as specified in its full-power bandwidth and verified in AC performance plots (e.g., Figure 21). This capability enables direct IF sampling in LTE and WCDMA receivers without additional analog downconversion stages. The device maintains 70.6 dBFS SNR at 185 MHz input with 210 MSPS sampling, confirming robust high-frequency linearity.
Does the AD9643BCPZRL7-210 require an external voltage reference?
No, the AD9643BCPZRL7-210 includes an internal voltage reference, eliminating the need for external reference components. The internal reference sets the 1.75 Vp-p nominal full-scale input range and is factory-trimmed for accuracy. External decoupling (0.1 µF) on the VCM pin is required to stabilize the common-mode bias, but no separate reference IC or resistor network is needed for basic operation.
How does the SYNC input function in multi-ADC synchronization with the AD9643BCPZRL7-210?
The SYNC input on the AD9643BCPZRL7-210 enables deterministic phase alignment across multiple devices by resetting internal pipeline stages on the rising edge of the ADC clock. When asserted synchronously across all AD9643BCPZRL7-210 units, it ensures identical latency and sample timing - essential for coherent beamforming or I/Q channel matching. The timing requirement is strict: setup/hold of 0.3 ns/0.4 ns relative to CLK, per Table 5.
What LVDS output modes does the AD9643BCPZRL7-210 support, and how do they differ?
The AD9643BCPZRL7-210 supports two LVDS output configurations: interleaved parallel (single 14-bit bus carrying alternating Ch A/Ch B samples) and channel-multiplexed (even/odd time slots per channel). Interleaved mode uses shared D0–D13 pins for both channels; multiplexed mode dedicates separate pins (A D0+/D1+, B D0+/D1+, etc.) and requires different pin assignments (see Figures 4 and 5). Mode selection is controlled via SPI register 0x08[1:0].
Can the AD9643BCPZRL7-210 operate from a single 1.8 V supply rail?
The AD9643BCPZRL7-210 requires two 1.8 V supplies: AVDD for analog circuitry and DRVDD for LVDS output drivers. While both are 1.8 V nominal, they must be independently decoupled and routed to minimize noise coupling. The datasheet specifies separate current draw (IAVDD ≈ 265 mA, IDRVDD ≈ 185 mA at 210 MSPS), confirming distinct power domains - a single rail would compromise SNR and LVDS signal integrity.
AD9643BCPZRL7-210 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 64-VFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 210M
- Number of Inputs:
- 2
- Input Type:
- Differential
- Data Interface:
- LVDS - Parallel
- 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:
- 64-LFCSP-VQ (9x9)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9643BCPZRL7-210 FAQ
1.How can I place an order for AD9643BCPZRL7-210 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9643BCPZRL7-210 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 AD9643BCPZRL7-210 reliable?
The price and inventory of AD9643BCPZRL7-210 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9643BCPZRL7-210 is usually 5 days.
3.What payment methods are accepted for AD9643BCPZRL7-210?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9643BCPZRL7-210 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9643BCPZRL7-210?
AD9643BCPZRL7-210 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9643BCPZRL7-210 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 AD9643BCPZRL7-210?
For technical support, including AD9643BCPZRL7-210 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9643BCPZRL7-210 requirements.
6.How does Aetrix verify that AD9643BCPZRL7-210 is sourced from the original manufacturer or authorized distributors?
All AD9643BCPZRL7-210 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 AD9643BCPZRL7-210 meets industry standards.
7.What is the process for return or replacement of AD9643BCPZRL7-210?
All AD9643BCPZRL7-210 units undergo pre-shipment inspection (PSI). If there is an issue with AD9643BCPZRL7-210, 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 AD9643BCPZRL7-210 part is unused and in its original packaging.
Return procedure for AD9643BCPZRL7-210:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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