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Analog Devices Inc. AD9253BCPZ-105
- Part No.:
- AD9253BCPZ-105
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 48-WFQFN Exposed Pad, CSP
- Datasheet:
-
AD9253BCPZ-105.pdf
- Description:
- IC ADC 14BIT PIPELINED 48LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:2,781
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Product details
Overview
AD9253BCPZ-105 from Analog Devices is a quad-channel, 14-bit, 105 MSPS serial LVDS analog-to-digital converter optimized for high-speed imaging and ultrasound systems. It operates from a single 1.8 V supply, delivers 74 dB SNR and 90 dBc SFDR (to Nyquist), supports 650 MHz full-power analog bandwidth, and features programmable output resolution and multichip synchronization.
For engineers reviewing the AD9253BCPZ-105 datasheet, AD9253BCPZ-105 pinout, AD9253BCPZ-105 application, or AD9253BCPZ-105 equivalent, this page provides verified technical context, real-world timing behavior, confirmed LVDS lane configuration options, and validated alternative parts for medical imaging, radio receiver, and test equipment signal chains.
Technical Context
The AD9253BCPZ-105 implements a multistage pipelined ADC architecture with 1-bit redundancy per stage for digital error correction and 16-clock-cycle pipeline latency. It uses a switched-capacitor input sampling circuit with differential 2 Vp-p input range and midsupply common-mode biasing via the VCM pin.
Its serial LVDS interface supports both ANSI-644-compliant (345 mV typical VOD) and low-power reduced-signal modes (200 mV typical VOD), with programmable data alignment, frame clock (FCO), and data clock (DCO) outputs synchronized to the sample rate. The SPI-controlled configuration enables per-channel power-down, custom test pattern generation, and clock divider programming.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 discrete amplitude levels for high-fidelity digitization of wide dynamic range signals |
| Sampling Rate | 105 MSPS - supports Nyquist-limited input frequencies up to ~52.5 MHz with minimal aliasing in baseband applications |
| SNR / SFDR | 74 dB / 90 dBc (to Nyquist) - enables detection of weak signals buried >10,000× below strong interferers in RF and ultrasound front ends |
| Analog Bandwidth | 650 MHz - preserves signal integrity for IF sampling at 70–200 MHz without external anti-alias filtering |
| Supply Voltage | 1.8 V AVDD/DRVDD - reduces system power and simplifies PCB routing versus 3.3 V or 5 V ADCs |
| Power Consumption | 405 mW (4-channel sine input, ANSI-644 mode) - enables thermal management in dense multichannel modules |
| DNL / INL | ±0.75 LSB / ±2.0 LSB (typ) - ensures monotonicity and linearity critical for precision measurement and calibration |
| Output Interface | Serial LVDS (2-lane, DDR) - halves I/O count versus parallel interfaces while maintaining deterministic timing via DCO/FCO |
Pinout & Package
AD9253BCPZ-105 is housed in a RoHS-compliant 48-lead LFCSP (7 mm × 7 mm, CP-48-13) with exposed thermal pad soldered to analog ground. Pin functions are validated per Analog Devices Rev. E datasheet Figure 9 and Table 8.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN+A / VIN−A VIN+B / VIN−B VIN+C / VIN−C VIN+D / VIN−D | Differential analog inputs for channels A–D | Accept 2 Vp-p differential signals; require external common-mode bias via VCM pin for ac-coupled operation |
| CLK+ / CLK− | Differential encode clock input | Accepts LVDS/LVPECL/CMOS; drives internal sampling circuit on rising edge; supports up to 1 GHz input frequency |
| D0±A–D / D1±A–D | LVDS serial data outputs (2 lanes × 4 channels) | Transmit 14-bit samples in DDR format; configurable for 12- or 16-bit output; support lane swapping and bit orientation |
| DCO+ / DCO− FCO+ / FCO− | Data and frame clock outputs | DCO runs at half sample rate for DDR capture; FCO toggles per byte; both are phase-aligned and programmable for timing margin optimization |
| SCLK / SDIO / CSB | 3-wire SPI interface | Configures registers for power modes, test patterns, clock dividers, and output alignment; SDIO bidirectional with 10 ns switching latency |
| PDWN / SYNC | Control inputs | PDWN high places entire device in <2 mW power-down; SYNC synchronizes multichip clock dividers for coherent sampling |
| VCM / VREF / RBIAS | Analog reference and bias control | VCM sets input common-mode voltage (0.9 V typical); VREF provides 1.0 V internal reference; RBIAS sets bias current via 10 kΩ resistor to ground |
Key Features
| Feature | Design Value |
|---|---|
| Quad-channel integration in 7 mm × 7 mm LFCSP | Reduces board area by >60% vs. four discrete 14-bit ADCs; eliminates inter-channel skew in monolithic layout |
| Programmable LVDS output modes | Switches between ANSI-644 (345 mV VOD) and low-power reduced-signal (200 mV VOD) to cut driver power by ~35% in space-constrained systems |
| Built-in and custom digital test patterns | Enables production testing without external signal sources: deterministic, pseudorandom, and user-defined patterns loaded via SPI |
| Per-channel power-down | Disables individual ADCs to reduce dynamic power proportionally-e.g., 2-channel operation cuts total power by ~45% at 105 MSPS |
| Flexible clock and data alignment | Adjusts DCO-to-data delay and FCO phase via register settings to compensate for PCB trace length mismatches across multiple devices |
| Multichip sync with clock divider | Ensures deterministic phase alignment across multiple AD9253BCPZ-105 units using shared SYNC and programmable divide-by-N clocks |
Applications
| Medical Ultrasound Beamforming | High-Speed Industrial Imaging |
|---|---|
Use Scenario: Digitizing echo return signals from 128+ transducer elements in real time for synthetic aperture processing. IC Role / Device Role / Timing Role: Quad ADC captures four parallel RF channels simultaneously with sub-1 ns aperture jitter, enabling coherent summation and spatial resolution enhancement. Use Value: 74 dB SNR preserves low-amplitude tissue contrast; 650 MHz bandwidth supports harmonic imaging up to 15 MHz center frequency without analog prefiltering. | Use Scenario: Capturing high-frame-rate X-ray or optical line-scan images in semiconductor inspection and PCB AOI systems. IC Role / Device Role / Timing Role: Serves as front-end digitizer for CCD/CMOS sensor outputs, converting analog pixel streams into serialized LVDS data for FPGA-based image processing. Use Value: 105 MSPS sampling supports >100 fps at 1024×1024 resolution; LVDS serialization reduces connector pin count and EMI versus parallel CMOS interfaces. |
| Quadrature Radio Receiver Front End | Automated Test Equipment (ATE) |
Use Scenario: Direct IF sampling of I/Q signals in diversity receivers for cellular base stations and radar warning systems. IC Role / Device Role / Timing Role: Four independent ADCs digitize I+, I−, Q+, Q− paths with matched gain/phase (<2.13% FSR gain matching) for accurate complex baseband reconstruction. Use Value: 90 dBc SFDR suppresses third-order intermodulation products from adjacent channel interference; multichip sync enables MIMO channel calibration. | Use Scenario: High-precision waveform acquisition in modular ATE platforms requiring multi-channel synchronized sampling. IC Role / Device Role / Timing Role: Provides calibrated, low-jitter digitization for stimulus-response analysis across four independent test sites. Use Value: ±0.75 LSB DNL ensures monotonic response for metrology-grade measurements; SPI-configurable test patterns accelerate functional test coverage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad-channel, 14-bit, high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9253BCPZ-80 | Lower max sampling rate (80 MSPS); identical pinout, package, and feature set | Suitable for cost-sensitive designs where 105 MSPS headroom is unnecessary; consumes ~15% less power at full scale | Select when system clock constraints or thermal budget limit maximum throughput |
| AD9653BCPZ-125 | Higher sampling rate (125 MSPS); same 48-lead LFCSP package but requires higher DRVDD current (100 mA vs. 95 mA) | Required for applications needing >105 MSPS, such as wideband spectrum monitoring or advanced radar pulse compression | Choose only if design mandates ≥120 MSPS; verify PCB power delivery and thermal design meet increased dissipation |
Compared with AD9253BCPZ-80 and AD9253BCPZ-125, the AD9253BCPZ-105 offers optimal balance of speed, power (405 mW), and noise performance (74 dB SNR) for mid-tier ultrasound and communications receivers-avoiding overdesign penalties of the 125 MSPS variant while exceeding the bandwidth ceiling of the 80 MSPS version.
Availability
AD9253BCPZ-105 is available at Aetrix Electronics and suitable for medical imaging, quadrature radio receivers, and automated test equipment requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for AD9253BCPZ-105 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 industrial, automotive, communications, and healthcare markets.
The AD9253 product line delivers quad-channel, low-power, high-speed ADCs targeting space-constrained, thermally sensitive applications like portable ultrasound and compact software-defined radios-emphasizing integration, configurability, and ease of system-level timing alignment.
FAQ
What is the maximum analog input frequency supported by the AD9253BCPZ-105?
The AD9253BCPZ-105 has a full-power analog bandwidth of 650 MHz, meaning it maintains specified SNR and SFDR performance for input signals up to that frequency. This allows direct IF sampling of RF signals-for example, 70 MHz or 140 MHz carriers-without analog prefiltering, provided the input is within the 2 Vp-p differential range and properly biased via the VCM pin.
Does the AD9253BCPZ-105 require an external voltage reference?
No, the AD9253BCPZ-105 includes an internal 1.0 V reference with ±2% tolerance over temperature, eliminating the need for external reference components in most applications. The VREF pin can be used as an output or input; when used internally, it is decoupled with a 0.1 µF capacitor to AGND as specified in the datasheet.
How does the AD9253BCPZ-105 handle multichip synchronization?
The AD9253BCPZ-105 supports precise multichip sync via its SYNC input and programmable clock divider. When SYNC is asserted, all devices reset their internal dividers simultaneously, ensuring deterministic phase alignment of sampling clocks across multiple AD9253BCPZ-105 units-critical for beamforming and MIMO systems requiring sub-nanosecond inter-chip timing coherence.
Can the AD9253BCPZ-105 operate in a single-lane LVDS configuration?
Yes, the AD9253BCPZ-105 supports both two-lane and one-lane LVDS output modes via SPI register 0x21 Bits[6:4]. In one-lane mode, output channel assignments reconfigure to consolidate all four channels onto a single differential pair, reducing PCB routing complexity at the cost of doubled data rate per lane and slightly increased timing sensitivity.
What is the power consumption of the AD9253BCPZ-105 in standby mode?
In standby mode-activated via SPI-the AD9253BCPZ-105 consumes 209 mW (typical) at 105 MSPS, which is approximately 50% lower than full active operation (405 mW). Standby retains register settings and reference bias while disabling the ADC core and LVDS drivers, enabling rapid resumption of sampling within 250 ns.
AD9253BCPZ-105 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 48-WFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 105M
- Number of Inputs:
- 4
- Input Type:
- Differential
- Data Interface:
- LVDS - Serial
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 4
- 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 (7x7)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9253BCPZ-105 FAQ
1.How can I place an order for AD9253BCPZ-105 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9253BCPZ-105 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 AD9253BCPZ-105 reliable?
The price and inventory of AD9253BCPZ-105 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9253BCPZ-105 is usually 5 days.
3.What payment methods are accepted for AD9253BCPZ-105?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9253BCPZ-105 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9253BCPZ-105?
AD9253BCPZ-105 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9253BCPZ-105 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 AD9253BCPZ-105?
For technical support, including AD9253BCPZ-105 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9253BCPZ-105 requirements.
6.How does Aetrix verify that AD9253BCPZ-105 is sourced from the original manufacturer or authorized distributors?
All AD9253BCPZ-105 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 AD9253BCPZ-105 meets industry standards.
7.What is the process for return or replacement of AD9253BCPZ-105?
All AD9253BCPZ-105 units undergo pre-shipment inspection (PSI). If there is an issue with AD9253BCPZ-105, 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 AD9253BCPZ-105 part is unused and in its original packaging.
Return procedure for AD9253BCPZ-105:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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