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Analog Devices Inc. AD9634BCPZ-210
- Part No.:
- AD9634BCPZ-210
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 32-WFQFN Exposed Pad, CSP
- Datasheet:
-
AD9634BCPZ-210.pdf
- Description:
- IC ADC 12BIT PIPELINED 32LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:3,020
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Product details
Overview
AD9634BCPZ-210 from Analog Devices is a 12-bit, 210 MSPS analog-to-digital converter optimized for wideband communications receivers. It features differential pipelined architecture, 1.8 V single-supply operation, LVDS DDR output interface, and integrated voltage reference. Its 185 MHz input frequency support with 69.6 dBFS SNR and 95 dBc SFDR enables high-fidelity digitization in LTE and W-CDMA baseband receivers.
For engineers reviewing the AD9634BCPZ-210 datasheet, AD9634BCPZ-210 pinout, AD9634BCPZ-210 application, or AD9634BCPZ-210 equivalent, key selection criteria include sampling rate tolerance (±10 MSPS), input noise floor (−150.6 dBFS/Hz at 250 MSPS), clock duty cycle stabilization, 12-bit ENOB retention up to 220 MHz, and compatibility with 1.75 Vp-p differential analog inputs.
Technical Context
The AD9634BCPZ-210 implements a multistage differential pipelined ADC core with integrated error correction logic and a duty cycle stabilizer that maintains performance across ±15% clock duty cycle variation. Its analog front-end supports 350 MHz full-power bandwidth and configurable common-mode bias via VCM output.
Digital interface uses parallel DDR LVDS outputs with embedded DCO clock and overrange (OR) flag signaling. Configuration and monitoring occur via a 3-wire SPI-compatible serial port operating at up to 50 MHz, supporting register readback and real-time control of power modes and input range scaling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - delivers 4096 discrete amplitude levels for precise signal quantization in software-defined radio and ultrasound beamforming. |
| Max Sampling Rate | 210 MSPS - supports Nyquist-limited IF sampling up to 105 MHz, enabling direct conversion of LTE 20 MHz channels without undersampling artifacts. |
| SNR @ 185 MHz | 69.6 dBFS - ensures >11.1 ENOB at high IF frequencies, critical for maintaining EVM in multimode cellular receivers. |
| Input Noise Density | −150.6 dBFS/Hz at 250 MSPS - translates to 0.391 LSBrms noise floor, minimizing quantization degradation in low-amplitude signal capture. |
| Power Consumption | 333 mW at 210 MSPS - balances performance and thermal load in dense RF front-end modules with limited airflow. |
| Analog Input Range | 1.4–2.0 Vp-p (1.75 Vp-p nominal) - matches standard transformer-coupled or balun-based RF receiver chains without external gain adjustment. |
| Output Interface | DDR LVDS - provides deterministic timing with 0.5 ns skew between DCO and data, simplifying FPGA capture using source-synchronous DDR logic. |
Pinout & Package
AD9634BCPZ-210 is housed in a 32-lead 5 mm × 5 mm LFCSP package with exposed thermal paddle connected to AGND. The package requires soldering the paddle to PCB ground plane for thermal integrity and analog performance stability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK+, CLK− | Differential clock input | Accepts CMOS/LVDS/LVPECL clocks up to 625 MHz; internal bias sets 0.9 V common-mode for robust jitter immunity. |
| VIN+, VIN− | Differential analog input | Supports 350 MHz full-power bandwidth; input capacitance 2.5 pF and resistance 20 kΩ enable stable termination with 1:1 or 1:2 RF transformers. |
| VCM | Analog common-mode bias output | Provides 0.9 V reference for external driver stage; must be decoupled with 0.1 µF capacitor to suppress noise coupling into analog path. |
| D0±/D1± through D10±/D11± | DDR LVDS data outputs (12-bit) | Deliver even/odd sample pairs per clock edge; ANSI-compliant swing (250–450 mV) ensures compatibility with Xilinx/Kintex FPGA LVDS I/O banks. |
| DCO± | Data clock output | Source-synchronous DDR clock aligned to data edges; propagation delay 4.7–5.8 ns enables reliable setup/hold timing in FPGA capture logic. |
| OR± | Overrange detection flag | Indicates input saturation on every sample cycle; used for automatic gain control (AGC) loop feedback in diversity radio systems. |
| SCLK, SDIO, CSB | SPI serial interface | 3-wire configuration port with 40 ns minimum SCLK period; supports real-time register access without interrupting ADC conversion flow. |
Key Features
| Feature | Design Value |
|---|---|
| Integer 1-to-8 clock divider | Enables use of lower-frequency, lower-jitter master clocks (e.g., 262.5 MHz ÷ 1.25 = 210 MSPS), reducing system clock distribution complexity. |
| ADC clock duty cycle stabilizer (DCS) | Compensates for >±15% input clock duty cycle distortion, preserving SNR/SFDR without requiring external clock conditioning circuitry. |
| Flexible analog input range | 1.4–2.0 Vp-p programmable span allows optimization for varying signal chain gain profiles-e.g., 1.75 Vp-p for typical mixer outputs, 1.4 Vp-p for high-gain LNA stages. |
| Fast overrange and threshold detect | OR flag updates synchronously with each sample, enabling sub-microsecond AGC response in smart antenna systems with dynamic interference environments. |
| Low-power standby and power-down modes | Reduces consumption to 50 mW (standby) or 5 mW (power-down), supporting burst-mode operation in battery-powered portable test equipment. |
Applications
| Communications Receiver | Diversity Radio System |
|---|---|
|
Use Scenario: Digitizing 70–220 MHz IF signals in LTE femtocell base stations with dual-channel MIMO architecture. IC Role / Device Role / Timing Role: Primary ADC in analog front-end; samples I/Q paths simultaneously with <1 ps inter-channel skew. Use Value: 69.6 dBFS SNR at 185 MHz preserves EVM <2.5% for 256-QAM modulation, meeting 3GPP Release 10 requirements. |
Use Scenario: Real-time signal combining from four spatially separated antennas in 5G NR small-cell deployments. IC Role / Device Role / Timing Role: Synchronized ADC across multiple RF chains; OR flag triggers adaptive beam nulling when interference exceeds −1 dBFS. Use Value: 12-bit resolution and 210 MSPS rate support 100 MHz instantaneous bandwidth per channel for wideband interference mapping. |
| Ultrasound Beamformer | Software-Defined Radio (SDR) |
|
Use Scenario: Digitizing 5–15 MHz echo return signals from phased-array transducers in portable diagnostic systems. IC Role / Device Role / Timing Role: High-speed digitizer in receive beamforming ASIC interface; low 0.391 LSBrms noise preserves contrast resolution. Use Value: 1.8 V supply and 333 mW power enable integration into handheld units with thermal budget <1.5 W per module. |
Use Scenario: Wideband spectrum sensing from 10 MHz to 300 MHz in cognitive radio test platforms with FPGA-based digital backend. IC Role / Device Role / Timing Role: Front-end ADC feeding multi-core processor; DDR LVDS interface sustains 4.2 Gbps aggregate throughput. Use Value: Full-power bandwidth of 1000 MHz supports direct sampling of VHF/UHF bands without image-reject filtering overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog-to-digital converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9642BCPZ-210 | 14-bit resolution, identical 210 MSPS rate and pinout; higher 74.5 dBFS SNR but 450 mW power at same speed. | Required where ENOB >12.2 is mandatory (e.g., high-dynamic-range radar pulse compression). | Select AD9642BCPZ-210 only if system SNR budget demands ≥1.5 dB improvement and thermal headroom permits +117 mW dissipation. |
| AD6672BCPZ-250 | 12-bit, 250 MSPS; lacks DCS and has higher 0.407 LSBrms input noise; shares SPI interface and LVDS output format. | Suitable for fixed-clock, low-jitter systems where clock conditioning is already implemented externally. | Choose AD6672BCPZ-250 when sampling rate >210 MSPS is required and clock source jitter <0.2 ps RMS is guaranteed. |
Compared with AD9642BCPZ-210 and AD6672BCPZ-250, the AD9634BCPZ-210 uniquely balances 12-bit fidelity, integrated DCS, and 333 mW power at 210 MSPS-making it optimal for thermally constrained, cost-sensitive communications receivers needing robust clock tolerance.
Availability
AD9634BCPZ-210 is available at Aetrix Electronics and suitable for LTE base station development, ultrasound equipment manufacturing, and software-defined radio prototyping requiring stable component supply across industrial temperature ranges (−40°C to +85°C).
Supply support for AD9634BCPZ-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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The AD9634 product line delivers high-speed, low-power ADCs for communications infrastructure and medical imaging, emphasizing wide input bandwidth, integrated clock conditioning, and simplified board-level design.
FAQ
What is the maximum analog input frequency supported by the AD9634BCPZ-210?
The AD9634BCPZ-210 supports a full-power analog input bandwidth of 1000 MHz, verified per datasheet Table 2. This allows faithful digitization of signals up to 350 MHz while maintaining >68 dBFS SNR, making it suitable for direct RF sampling in VHF/UHF SDR applications. Performance remains specified up to 305.1 MHz in FFT validation figures.
Does the AD9634BCPZ-210 require an external voltage reference?
No, the AD9634BCPZ-210 integrates a precision voltage reference, eliminating the need for external reference components. This reduces BOM count and layout complexity while ensuring consistent 1.75 Vp-p full-scale input range accuracy across temperature and process variations.
How does the duty cycle stabilizer (DCS) in the AD9634BCPZ-210 improve system design?
The DCS in the AD9634BCPZ-210 actively corrects clock duty cycle deviations, allowing the device to maintain 69.6 dBFS SNR even with input clock duty cycles ranging from 35% to 65%. This removes the need for external clock conditioners or complex PLL-based clock trees in space-constrained RF designs.
What LVDS output mode does the AD9634BCPZ-210 support?
The AD9634BCPZ-210 supports ANSI-644–compliant DDR LVDS outputs with programmable reduced-swing mode. Standard mode delivers 250–450 mV differential swing and 1.15–1.35 V common-mode offset, ensuring interoperability with Xilinx, Intel, and Lattice FPGA I/O banks without level-shifting circuitry.
Can the AD9634BCPZ-210 operate with a 1.7 V supply voltage?
Yes, the AD9634BCPZ-210 is fully specified for AVDD and DRVDD supply voltages from 1.7 V to 1.9 V. At 1.7 V, typical power consumption drops to 333 mW at 210 MSPS, and all AC/DC specifications-including SNR, INL, and timing-remain guaranteed across the industrial temperature range.
AD9634BCPZ-210 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:
- 12
- Sampling Rate (Per Second):
- 210M
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- LVDS - 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 ~ 1.9V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 32-LFCSP (5x5)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9634BCPZ-210 FAQ
1.How can I place an order for AD9634BCPZ-210 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9634BCPZ-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 AD9634BCPZ-210 reliable?
The price and inventory of AD9634BCPZ-210 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9634BCPZ-210 is usually 5 days.
3.What payment methods are accepted for AD9634BCPZ-210?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9634BCPZ-210 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9634BCPZ-210?
AD9634BCPZ-210 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9634BCPZ-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 AD9634BCPZ-210?
For technical support, including AD9634BCPZ-210 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9634BCPZ-210 requirements.
6.How does Aetrix verify that AD9634BCPZ-210 is sourced from the original manufacturer or authorized distributors?
All AD9634BCPZ-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 AD9634BCPZ-210 meets industry standards.
7.What is the process for return or replacement of AD9634BCPZ-210?
All AD9634BCPZ-210 units undergo pre-shipment inspection (PSI). If there is an issue with AD9634BCPZ-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 AD9634BCPZ-210 part is unused and in its original packaging.
Return procedure for AD9634BCPZ-210:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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