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Analog Devices Inc. AD9613BCPZ-250
- Part No.:
- AD9613BCPZ-250
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9613BCPZ-250.pdf
- Description:
- IC ADC 12BIT PIPELINED 64LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,112
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Product details
Overview
AD9613BCPZ-250 from Analog Devices is a dual 12-bit, 250 MSPS analog-to-digital converter (ADC) designed for high-bandwidth IF sampling in communications receivers. It features LVDS outputs, integrated voltage reference, 1.8 V supplies, and supports input frequencies up to 400 MHz with 95 dB channel isolation - deployed in LTE baseband receivers and I/Q demodulation systems.
For engineers reviewing the AD9613BCPZ-250 datasheet, AD9613BCPZ-250 pinout, AD9613BCPZ-250 application, or AD9613BCPZ-250 equivalent, key selection considerations include SNR at 185 MHz (69.2 dBFS), SFDR (86 dBc), power consumption (770 mW), LVDS output format options (interleaved or channel-multiplexed), and SPI-configurable synchronization for multi-device timing alignment.
Technical Context
The AD9613BCPZ-250 implements two independent pipelined ADC cores with integrated error correction logic and a duty cycle stabilizer (DCS) to maintain performance under clock jitter. Its differential analog inputs support 1.4–2.0 Vp-p ranges and exhibit 2.5 pF input capacitance and 20 kΩ input resistance.
Digital interface includes a 3-wire SPI port (CSB/SCLK/SDIO) for register programming, LVDS data outputs (D0± to D11±), dedicated OR± overrange flags, and DCO± clock outputs. It supports integer 1-to-8 clock division with up to 625 MHz input clock rate and offers both interleaved and channel-multiplexed output modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - delivers 4096 discrete amplitude levels per sample, sufficient for high-fidelity IF digitization in 3G/4G receivers. |
| Max Sample Rate | 250 MSPS - enables Nyquist-limited capture of signals up to 125 MHz baseband or IF-sampled bands up to 400 MHz using undersampling. |
| SNR @ 185 MHz | 69.2 dBFS - ensures >11-bit effective resolution for demanding wideband signal detection in WiMAX and TD-SCDMA systems. |
| SFDR @ 185 MHz | 86 dBc - suppresses spurious tones sufficiently to resolve weak adjacent-channel signals in dense RF environments. |
| Total Power | 770 mW at 250 MSPS - balances performance and thermal load in compact, air-cooled telecom modules. |
| Analog Input Range | 1.4–2.0 Vp-p (1.75 Vp-p nominal) - compatible with standard RF balun outputs and simplifies front-end gain staging. |
| Output Interface | LVDS (ANSI-644) - provides noise-immune, low-skew 12-bit parallel data transmission at 250 MSPS with DCO-synchronized timing. |
| Channel Isolation | 95 dB - prevents crosstalk-induced distortion in diversity antenna or I/Q path applications requiring independent signal fidelity. |
Pinout & Package
The AD9613BCPZ-250 is housed in a 64-lead LFCSP (9 mm × 9 mm) package with exposed paddle (AGND) requiring soldering to PCB ground plane for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK+, CLK− | Differential ADC clock input | Accepts CMOS/LVDS/LVPECL clocks up to 625 MHz; internal DCS compensates for duty cycle variation to preserve aperture accuracy. |
| VIN+A/VIN−A, VIN+B/VIN−B | Differential analog inputs (Ch A/B) | Support 1.4–2.0 Vp-p full-scale range; 20 kΩ input resistance and 2.5 pF capacitance simplify anti-alias filter design. |
| VCM | Common-mode bias output | Provides 0.9 V reference for external balun or driver biasing; requires 0.1 µF decoupling to AGND. |
| D0± to D11± | LVDS digital output data (12-bit) | Deliver interleaved or channel-multiplexed samples; ANSI-compliant swing (250–450 mV) ensures robustness across PCB trace lengths. |
| DCO+, DCO− | LVDS data clock output | Source-synchronous clock aligned to data edges; used for timing capture in FPGA or ASIC receivers. |
| OR+, OR− | LVDS overrange flag output | Indicates instantaneous input clipping on either channel; valid on DCO rising edge for deterministic monitoring. |
| SYNC | Digital synchronization input | Enables deterministic phase alignment across multiple AD9613BCPZ-250 devices in phased-array or MIMO systems. |
| CSB, SCLK, SDIO | 3-wire SPI interface | Allows runtime configuration of gain, test modes, power states, and output formatting without external logic. |
| OEB, PDWN | Output enable and power-down control | Active-low OEB gates LVDS drivers; PDWN (active-high) selects standby (90 mW) or full power-down (10 mW) modes. |
Key Features
| Feature | Design Value |
|---|---|
| Dual 12-bit pipelined ADC architecture | Enables simultaneous sampling of I/Q or diversity paths with <10-cycle pipeline latency and built-in error correction. |
| Integer 1-to-8 clock divider | Permits use of lower-frequency, lower-jitter master clocks (e.g., 125 MHz × 2 = 250 MSPS), easing clock tree design. |
| Internal voltage reference | Eliminates need for external reference IC or resistor network, reducing BOM count and layout sensitivity. |
| Flexible output formatting | Interleaved or channel-multiplexed LVDS modes allow optimization for FPGA pin count vs. channel separation requirements. |
| 95 dB channel isolation | Preserves signal integrity in dual-path architectures such as smart antennas or beamforming receivers where leakage causes pattern distortion. |
| Fast overrange detection | OR± flags respond within 3 cycles of input overload, enabling real-time AGC or gain adjustment in closed-loop RF systems. |
Applications
| Base Station LTE Receiver | I/Q Demodulation System |
|---|---|
|
Use Scenario: Digitizing 20 MHz LTE bandwidth at 185 MHz IF in macrocell base station transceivers. IC Role / Device Role / Timing Role: Dual-channel ADC captures I and Q paths simultaneously with matched gain/phase and <1 ps inter-channel skew. Use Value: 69.2 dBFS SNR and 86 dBc SFDR ensure EVM compliance below 2.5% for 64-QAM, while 95 dB isolation prevents I/Q crosstalk degradation. |
Use Scenario: Converting quadrature-mixed RF signals in software-defined radio front ends. IC Role / Device Role / Timing Role: Provides synchronized, low-latency digitization of in-phase and quadrature analog inputs for FPGA-based digital downconversion. Use Value: Interleaved LVDS output reduces FPGA pin count by 50% vs. separate bus interfaces, and DCO-synchronized timing eliminates setup/hold violations. |
| TD-SCDMA Multimode Baseband | Ultrasound Beamformer |
|
Use Scenario: Supporting multimode operation (TD-SCDMA/WiMAX/W-CDMA) in compact small-cell radios with shared RF front end. IC Role / Device Role / Timing Role: ADC core handles variable IF frequencies (up to 400 MHz) via undersampling; SPI reconfigures sampling rate and format per mode. Use Value: 1.8 V supply and 770 mW total power enable integration into thermally constrained 1RU units without active cooling. |
Use Scenario: Digitizing echo return signals from 128-element phased-array transducers operating at 5–15 MHz center frequencies. IC Role / Device Role / Timing Role: Dual-channel acquisition captures time-aligned receive channels for dynamic focusing and beam synthesis. Use Value: 250 MSPS sample rate supports >50 MHz analog bandwidth, enabling high-resolution B-mode imaging with minimal aliasing artifacts. |
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 |
|---|---|---|---|
| AD9643BCPZ-250 | 14-bit resolution, same 250 MSPS rate, identical LFCSP-64 package and pinout, but higher power (1.1 W). | Better ENOB (12.2 bits @ 185 MHz) suits higher-dynamic-range radar or test equipment where 2-bit resolution uplift justifies extra power and cost. | Select AD9643BCPZ-250 when system SNR requirement exceeds 72 dBFS and board thermal budget allows +45% power increase. |
| AD6649BCPZ | 14-bit, 250 MSPS, integrated digital downconverter (DDC), JESD204B output, different pinout and package (LFCSP-72). | Reduces FPGA processing load via on-chip NCO and decimation; targets SDR and cognitive radio where spectral efficiency matters more than raw ADC linearity. | Choose AD6649BCPZ when DDC offload is needed and PCB redesign for new footprint and JESD204B interface is acceptable. |
Compared with AD9643BCPZ-250 and AD6649BCPZ, the AD9613BCPZ-250 delivers optimal balance of resolution, power, and simplicity for IF-sampling receivers where 12-bit fidelity suffices and LVDS interoperability with legacy FPGAs is required.
Availability
AD9613BCPZ-250 is available at Aetrix Electronics and suitable for LTE infrastructure, ultrasound beamforming, and I/Q demodulation systems requiring stable component supply, long-term industrial temperature support (−40°C to +85°C), and consistent parametric performance across production lots.
Supply support for AD9613BCPZ-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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving communications, industrial, and healthcare markets since 1965.
The AD9613 belongs to Analog Devices' high-speed data converter product line, engineered specifically for wireless infrastructure and medical imaging applications demanding wide bandwidth, low power, and dual-channel synchronization.
FAQ
What is the maximum analog input frequency supported by the AD9613BCPZ-250?
The AD9613BCPZ-250 supports analog input frequencies up to 400 MHz using IF sampling techniques. Its full-power bandwidth is specified at 1000 MHz, and its proprietary differential input architecture maintains SNR performance up to 400 MHz - confirmed in Table 2 (AC specifications) and Product Highlights section of the Rev. E datasheet.
Does the AD9613BCPZ-250 require an external voltage reference?
No, the AD9613BCPZ-250 includes an internal voltage reference, eliminating the need for external reference components. This is explicitly stated in the General Description and Features sections of the datasheet, and the VCM pin provides the associated common-mode bias voltage for analog inputs.
What output data formats does the AD9613BCPZ-250 support?
The AD9613BCPZ-250 supports two LVDS output formats: interleaved (both channels multiplexed on one 12-bit bus) and channel-multiplexed (even/odd samples per channel on separate buses). These modes are configurable via SPI registers and correspond to distinct pin mappings shown in Figures 4 and 5 of the datasheet.
How is synchronization achieved across multiple AD9613BCPZ-250 devices?
Synchronization across multiple AD9613BCPZ-250 devices is achieved using the SYNC input pin, which aligns internal sampling phases. The datasheet confirms this capability in Product Highlights (Item 4) and details timing requirements (tSSYNC/tHSYNC) in Table 5, enabling deterministic multi-ADC timing in MIMO and phased-array systems.
What power-saving modes are available on the AD9613BCPZ-250?
The AD9613BCPZ-250 offers three power states: active (770 mW at 250 MSPS), standby (90 mW), and power-down (10 mW). These are controlled via the PDWN pin and SPI configuration, as documented in Table 1 (Power Consumption) and Pin Function Descriptions (Pin 48).
AD9613BCPZ-250 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 64-VFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 250M
- 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:
- -
AD9613BCPZ-250 FAQ
1.How can I place an order for AD9613BCPZ-250 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9613BCPZ-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 AD9613BCPZ-250 reliable?
The price and inventory of AD9613BCPZ-250 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9613BCPZ-250 is usually 5 days.
3.What payment methods are accepted for AD9613BCPZ-250?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9613BCPZ-250 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9613BCPZ-250?
AD9613BCPZ-250 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9613BCPZ-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 AD9613BCPZ-250?
For technical support, including AD9613BCPZ-250 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9613BCPZ-250 requirements.
6.How does Aetrix verify that AD9613BCPZ-250 is sourced from the original manufacturer or authorized distributors?
All AD9613BCPZ-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 AD9613BCPZ-250 meets industry standards.
7.What is the process for return or replacement of AD9613BCPZ-250?
All AD9613BCPZ-250 units undergo pre-shipment inspection (PSI). If there is an issue with AD9613BCPZ-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 AD9613BCPZ-250 part is unused and in its original packaging.
Return procedure for AD9613BCPZ-250:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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