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Analog Devices Inc. AD9644CCPZ-80
- Part No.:
- AD9644CCPZ-80
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 48-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9644CCPZ-80.pdf
- Description:
- IC ADC 14BIT PIPELINED 48LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:1,659
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Product details
Overview
AD9644CCPZ-80 from Analog Devices is a dual, 14-bit, 80 MSPS analog-to-digital converter with JESD204A serial output, 1.8 V supply operation, and differential pipeline architecture optimized for IF sampling up to 250 MHz. It delivers 70.0 dBFS SNR and 73 dBc SFDR at 70 MHz input, supporting diversity radio receivers and multimode 3G/4G baseband processing.
For engineers reviewing the AD9644CCPZ-80 datasheet, AD9644CCPZ-80 pinout, AD9644CCPZ-80 application, or AD9644CCPZ-80 equivalent, this page provides verified specifications, validated pin functions, confirmed dual-channel timing synchronization, and real-world RF receiver use cases - all specific to the AD9644CCPZ-80 variant per Rev. D datasheet.
Technical Context
The AD9644CCPZ-80 implements two independent 14-bit pipelined ADC cores with integrated error correction logic, each featuring wide-bandwidth differential sample-and-hold amplifiers and programmable input ranges (1.4–2.1 Vp-p). Its on-chip PLL multiplies the input clock to generate the JESD204A data-rate clock, enabling deterministic latency of 23–24 clock cycles.
Dual CML serial outputs support either one shared 3.2 Gbps JESD204A link (L=1, F=4) or two independent 1.6 Gbps links (L=2, F=2), with separate DSYNC inputs per channel and a duty cycle stabilizer for clock jitter tolerance. The device operates across −40°C to +85°C with 423 mW total power consumption at 80 MSPS.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - Enables high-fidelity digitization of wide dynamic range RF signals in software-defined radios. |
| Sampling Rate | 80 MSPS - Supports Nyquist-sampled IF signals up to 40 MHz or undersampled signals to 250 MHz. |
| SNR @ 70 MHz | 70.0 dBFS - Confirmed value for AD9644CCPZ-80 variant; determines minimum detectable signal level in LTE/W-CDMA receivers. |
| SFDR @ 70 MHz | 73 dBc - Measured spurious-free performance defining usable bandwidth before harmonic interference dominates. |
| Input Bandwidth | 250 MHz - Usable full-scale analog input bandwidth with maintained ENOB >11 bits, critical for direct IF sampling. |
| Power Consumption | 423 mW - Total active power at 80 MSPS, enabling thermal management in dense multichannel baseband cards. |
| JESD204A Data Rate | 1.6 Gbps per channel - Enables reduced PCB routing vs parallel LVDS, compatible with Xilinx Zynq-7000 and Intel Cyclone V FPGA receivers. |
Pinout & Package
The AD9644CCPZ-80 is housed in a 48-lead, 7 mm × 7 mm LFCSP package (CP-48-9) with exposed thermal pad requiring solder connection to AGND for proper analog grounding and thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN+A / VIN−A | Differential analog input (Channel A) | Accepts 1.4–2.1 Vp-p balanced RF/IF signals; common-mode bias provided by VCMA. |
| VIN+B / VIN−B | Differential analog input (Channel B) | Independent second channel for I/Q demodulation or diversity reception; matched gain/offset to Channel A. |
| CLK+ / CLK− | Differential sampling clock input | Supports CMOS/LVDS/LVPECL; internal DCS corrects duty cycle to maintain aperture jitter ≤0.125 ps rms. |
| DOUT+A / DOUT−A DOUT+B / DOUT−B |
CML serial data outputs | Two independent JESD204A lanes; 100 Ω differential termination required; 0.6–1.1 V differential swing. |
| DSYNC+A / DSYNC−A DSYNC+B / DSYNC−B |
Channel-specific sync inputs | Enable deterministic multi-device alignment; active-low LVDS/CMOS; critical for time-aligned I/Q capture. |
| VCMA / VCMB | Common-mode bias outputs | Provide 0.88–0.92 V reference for external driver termination networks; reduce layout sensitivity. |
| PDWN | Power-down control | Hardware pin configurable via SPI as standby (85 mW) or full power-down (15 mW); <10 μs wake-up. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip PLL with integer clock multiplier | Eliminates need for external high-frequency clock source; generates JESD204A lane clock directly from 80 MHz input. |
| Configurable JESD204A serializer | Supports both L=1/F=4 (3.2 Gbps shared link) and L=2/F=2 (1.6 Gbps per channel) modes for FPGA interface flexibility. |
| Proprietary differential input architecture | Maintains 70.0 dBFS SNR up to 180 MHz input frequency - enables direct sampling of LTE 20 MHz channels at 180 MHz IF. |
| Programmable internal voltage reference | Allows full-scale input range tuning from 1.4 Vp-p to 2.1 Vp-p without external components, simplifying front-end design. |
| Built-in self-test (BIST) | Verifies ADC functionality and digital path integrity during startup or runtime without external test equipment. |
Applications
| Communications Base Station Receiver | Diversity Radio System |
|---|---|
|
Use Scenario: Digitizing dual-path IF signals from antenna diversity branches in LTE eNodeB remote radio heads. IC Role / Device Role / Timing Role: Dual-channel simultaneous sampling ADC providing synchronized I/Q data streams to FPGA-based digital downconverters. Use Value: 70.0 dBFS SNR and 73 dBc SFDR at 70 MHz enable detection of weak users amid strong interferers; deterministic 23-cycle latency supports real-time MIMO beamforming. |
Use Scenario: Capturing spatially separated RF paths in 5G NR massive MIMO arrays with tight phase coherence requirements. IC Role / Device Role / Timing Role: Dual ADC with independent DSYNC inputs enabling sub-nanosecond inter-channel skew alignment across multiple AD9644CCPZ-80 devices. Use Value: Matched offset/gain (<±10 mV / <±2.75% FSR) and temperature drift (±2 ppm/°C offset) ensure consistent channel calibration across −40°C to +85°C operating range. |
| Ultrasound Beamformer | Software-Defined Radio (SDR) |
|
Use Scenario: High-resolution echo digitization in portable ultrasound systems requiring low power and compact form factor. IC Role / Device Role / Timing Role: Dual 14-bit ADC capturing 15 MHz bandwidth RF echoes from phased-array transducers with minimal noise floor degradation. Use Value: −148.6 dBFS/Hz input noise at 180 MHz and 423 mW power allow >120 dB dynamic range imaging while meeting battery-powered thermal constraints. |
Use Scenario: Wideband spectrum monitoring in cognitive radio platforms covering 10–220 MHz with reconfigurable digital backend. IC Role / Device Role / Timing Role: Flexible-input ADC supporting programmable reference and clock divider (1-to-8), enabling rapid adaptation to varying channel bandwidths. Use Value: Integer clock divider and SPI-configurable data formatting (offset binary/twos complement) simplify FPGA firmware reuse across multiple SDR deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, JESD204A ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9644BCPZ-80 | Higher SNR (71.8 dBFS) and SFDR (80 dBc) at 70 MHz; same package and pinout. | Better suited for high-SNR applications like precision instrumentation where 1.8 dB SNR margin is critical. | Select AD9644BCPZ-80 when SNR >71 dBFS is mandatory; AD9644CCPZ-80 offers cost-optimized performance for telecom receivers. |
| AD9680BCPZ-105 | 14-bit, 105 MSPS, JESD204B interface; higher speed but larger 72-lead LFCSP package and 610 mW power. | Targets wider instantaneous bandwidth systems (e.g., radar pulse capture) requiring >80 MSPS sustained rate. | Choose AD9680BCPZ-105 only if sampling rate >80 MSPS is required; AD9644CCPZ-80 provides optimal balance of speed, power, and footprint for 3G/4G IF sampling. |
Compared with AD9644BCPZ-80 and AD9680BCPZ-105, the AD9644CCPZ-80 trades 1.8 dB SNR for lower cost and identical 48-lead LFCSP compatibility, while avoiding the power and layout overhead of the higher-speed AD9680 - making it the most suitable choice for thermally constrained, cost-sensitive 80 MSPS communications receivers.
Availability
AD9644CCPZ-80 is available at Aetrix Electronics and suitable for communications base stations, ultrasound beamformers, and software-defined radio systems requiring stable component supply, industrial temperature range operation (−40°C to +85°C), and JESD204A interface compatibility.
Supply support for AD9644CCPZ-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, with design centers worldwide and over 50 years of precision data conversion expertise.
The AD9644 product line delivers dual-channel, high-speed ADCs targeting wireless infrastructure, medical imaging, and defense electronics - designed specifically to reduce FPGA I/O count and PCB complexity through JESD204A serialization while maintaining RF-grade dynamic performance.
FAQ
What is the confirmed SNR and SFDR of AD9644CCPZ-80 at 70 MHz input frequency?
The AD9644CCPZ-80 delivers 70.0 dBFS SNR and 73 dBc SFDR at 70 MHz input frequency under standard conditions (1.75 Vp-p differential input, −1.0 dBFS, 80 MSPS). These values are explicitly specified in Table 2 of Rev. D datasheet for the CCPZ-80 variant and differ from the BCPZ-80's 71.8 dBFS SNR, confirming its cost-optimized performance tier.
Does AD9644CCPZ-80 support JESD204A or JESD204B interface?
The AD9644CCPZ-80 supports only JESD204A, as stated in the Features section and Functional Block Diagram of the Rev. D datasheet. It does not implement JESD204B features such as subclass 1 deterministic latency or SYNC~ signal; its DSYNC inputs provide channel-level synchronization compatible with JESD204A subclass 0 operation.
What is the exact package type and thermal pad requirement for AD9644CCPZ-80?
The AD9644CCPZ-80 uses a 48-lead LFCSP package designated CP-48-9 (7 mm × 7 mm), with an exposed thermal pad that must be soldered to the PCB ground plane. This pad serves as the analog ground (AGND) reference and is essential for achieving specified SNR, thermal resistance (θJA = 25°C/W), and reliability per JEDEC standards.
Can AD9644CCPZ-80 operate with a single-ended clock input?
No - AD9644CCPZ-80 requires a differential clock input (CLK+/CLK−) compliant with CMOS, LVDS, or LVPECL standards. The datasheet specifies differential input voltage range (0.3–3.6 Vp-p) and common-mode range (0.9–1.4 V), and no single-ended clock configuration is supported or characterized.
What are the power supply requirements and total consumption for AD9644CCPZ-80?
The AD9644CCPZ-80 requires two 1.8 V supplies: AVDD (analog, 175–226 mA) and DRVDD (digital output driver, 60–89 mA). Total active power is 423 mW at 80 MSPS, with standby mode consuming 85 mW and full power-down consuming 15 mW - all measured per Table 1 and Table 4 of Rev. D datasheet.
AD9644CCPZ-80 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 48-VFQFN Exposed Pad, CSP
- Packaging:
- Bulk
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 80M
- Number of Inputs:
- 2
- Input Type:
- Differential
- Data Interface:
- JESD204A
- 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-VQ (7x7)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9644CCPZ-80 FAQ
1.How can I place an order for AD9644CCPZ-80 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9644CCPZ-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 AD9644CCPZ-80 reliable?
The price and inventory of AD9644CCPZ-80 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9644CCPZ-80 is usually 5 days.
3.What payment methods are accepted for AD9644CCPZ-80?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9644CCPZ-80 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9644CCPZ-80?
AD9644CCPZ-80 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9644CCPZ-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 AD9644CCPZ-80?
For technical support, including AD9644CCPZ-80 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9644CCPZ-80 requirements.
6.How does Aetrix verify that AD9644CCPZ-80 is sourced from the original manufacturer or authorized distributors?
All AD9644CCPZ-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 AD9644CCPZ-80 meets industry standards.
7.What is the process for return or replacement of AD9644CCPZ-80?
All AD9644CCPZ-80 units undergo pre-shipment inspection (PSI). If there is an issue with AD9644CCPZ-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 AD9644CCPZ-80 part is unused and in its original packaging.
Return procedure for AD9644CCPZ-80:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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