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Analog Devices Inc. AD9461BSVZ
- Part No.:
- AD9461BSVZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 100-TQFP Exposed Pad
- Datasheet:
-
AD9461BSVZ.pdf
- Description:
- IC ADC 16BIT PIPELINED 100TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,854
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Product details
Overview
AD9461BSVZ from Analog Devices is a 16-bit, 130 MSPS IF sampling analog-to-digital converter optimized for high-fidelity signal acquisition in radar, MRI, and broadband wireless receivers. It delivers 77.7 dBFS SNR at 170.3 MHz input, 60 fsec rms aperture jitter, and supports differential 2.0–4.0 Vp-p analog inputs with on-chip track-and-hold and internal reference.
For engineers reviewing the AD9461BSVZ datasheet, AD9461BSVZ pinout, AD9461BSVZ application, or AD9461BSVZ equivalent, this page provides verified technical context, real-world performance boundaries, package-validated pin functions, and selection-critical alternatives for IF digitization systems operating up to 225 MHz analog bandwidth.
Technical Context
The AD9461BSVZ employs a pipeline ADC architecture with integrated track-and-hold, clock duty cycle stabilizer (DCS), and dual-mode digital outputs (LVDS or CMOS). Its analog front end supports 615 MHz small-signal bandwidth and configurable input common-mode voltage (3.2–3.9 V) with buffered differential inputs.
It operates from 3.3 V (AVDD1) and 5.0 V (AVDD2) supplies, includes an output clock (DCO±), out-of-range (OR±) flags, and SFDR optimization via the SFDR pin-enabling tailored performance across 40–215 MHz and <40/>215 MHz input bands.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit guaranteed no-missing-codes operation ensures full dynamic range utilization without code dropout in precision instrumentation. |
| Max Sampling Rate | 130 MSPS maximum conversion rate enables Nyquist-compliant digitization of IF signals up to 65 MHz or undersampled RF bands. |
| SNR @ 10 MHz | 77.7 dBFS typical SNR at 10 MHz input supports high-fidelity baseband capture in medical imaging and test equipment. |
| Aperture Jitter | 60 fsec rms jitter limits sampling uncertainty, preserving ENOB >12.5 bits at 10 MHz and >11.9 bits at 225 MHz. |
| Analog Bandwidth | 615 MHz small-signal analog bandwidth allows accurate digitization of wideband IF signals without front-end filtering penalties. |
| Differential Input Range | 2.0–4.0 Vp-p selectable full-scale span accommodates varying signal chain gain stages without external attenuation or amplification. |
| Output Interface | ANSI-644-compliant LVDS or CMOS outputs reduce EMI and simplify timing closure in high-speed FPGA or ASIC interfaces. |
Pinout & Package
AD9461BSVZ is housed in a Pb-free, 100-lead TQFP_EP (exposed heat sink) package, specified for −40°C to +85°C operation. The exposed thermal pad must be soldered to AGND for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN+, VIN− | Differential analog input | High-impedance buffered inputs accepting 2.0–4.0 Vp-p differential signals; common-mode voltage programmable from 3.2 V to 3.9 V. |
| CLK+, CLK− | Differential clock input | LVPECL-compatible low-voltage differential clock interface requiring 0.2 V minimum differential swing and 1.3–1.6 V common-mode range. |
| D0+ to D15+ | Data output (true) | 16-bit parallel digital output bits; true-side LVDS or CMOS levels depending on OUTPUT MODE pin state. |
| DCO+, DCO− | Data clock output | Source-synchronous LVDS clock aligned to data edges, enabling deterministic timing capture in FPGA-based receivers. |
| OR+, OR− | Out-of-range indicator | Differential flag signaling when input exceeds selected full-scale range-critical for automatic gain control and overload detection. |
| DCS MODE | Clock duty cycle stabilizer enable | CMOS input that activates internal DCS circuitry when pulled low, maintaining ADC performance across variable clock duty cycles. |
| SFDR | Front-end optimization control | Selects analog path configuration: AGND for <40 MHz or >215 MHz inputs; AVDD1 for 40–215 MHz band to maximize SFDR and reduce AVDD2 power by ~40 mW. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip track-and-hold with buffered inputs | Eliminates need for external driver amplifiers in many IF sampling applications, reducing board area and signal path complexity. |
| Internal 1.7 V reference with SENSE pin control | Enables 3.4 Vp-p full-scale input range without external reference components; external reference option available via SENSE pin. |
| Configurable output mode (LVDS/CMOS) | Reduces system-level power and EMI: LVDS for long traces or noise-sensitive environments; CMOS for short, low-power FPGA connections. |
| Data format select (offset binary/twos complement) | Allows direct compatibility with DSP/FPGA arithmetic logic without post-conversion bit manipulation or sign extension. |
| Pipeline latency of 13 clock cycles | Predictable, fixed delay simplifies timing budgeting in real-time processing chains such as digital downconverters and beamforming engines. |
Applications
| Radar Receivers | MRI Signal Acquisition |
|---|---|
Use Scenario: Digitizing intermediate frequency (IF) outputs from heterodyne radar front ends operating at 100–225 MHz. IC Role / Device Role / Timing Role: High-linearity IF sampling ADC capturing pulsed Doppler waveforms with minimal harmonic distortion and spurious content. Use Value: 84 dBc SFDR at 170 MHz and 60 fsec jitter preserve target resolution and velocity accuracy in pulse-Doppler and SAR systems. |
Use Scenario: Converting gradient coil and RF receive channel signals in 1.5T and 3T MRI scanners. IC Role / Device Role / Timing Role: Precision digitizer for time-domain k-space data acquisition requiring >77 dBFS SNR and monotonic 16-bit transfer function. Use Value: Guaranteed no-missing-codes and ±5.0 LSB INL ensure artifact-free image reconstruction in high-field magnetic resonance imaging. |
| Broadband Wireless Base Stations | Communications Test Equipment |
Use Scenario: Multicarrier, multimode cellular receiver digitization in LTE, 5G NR, and WiMAX infrastructure. IC Role / Device Role / Timing Role: Wideband IF ADC supporting simultaneous capture of multiple adjacent channels with high SFDR and low intermodulation. Use Value: 89 dBFS two-tone SFDR at 169/170 MHz enables clean multi-carrier analysis without adjacent-channel interference. |
Use Scenario: High-accuracy signal analysis in vector signal analyzers and arbitrary waveform generators. IC Role / Device Role / Timing Role: Reference-grade digitizer for calibration, spectral purity verification, and dynamic range validation. Use Value: 76.3 dBFS SNR at 225 MHz and 615 MHz analog bandwidth support metrology-grade measurements up to third Nyquist zone. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9467BCPZ-200 | 200 MSPS max rate, identical 16-bit resolution and LVDS/CMOS output flexibility, but higher power (3.1 W vs. 2.4 W) and wider input bandwidth (750 MHz). | Preferred for systems requiring >130 MSPS sampling or extended IF coverage beyond 225 MHz. | Select AD9467BCPZ-200 when higher sample rate or broader analog bandwidth is required; verify thermal management for increased power dissipation. |
| ADS5463IPFP | Texas Instruments 16-bit, 500 MSPS ADC with 65 dBFS SNR at 170 MHz (lower than AD9461BSVZ's 77.7 dBFS), JESD204B serial output instead of parallel. | Suitable for space-constrained designs where serial interface and smaller QFN package (64-pin) outweigh SNR trade-off. | Choose ADS5463IPFP only if serial interface and footprint reduction are prioritized over SNR and parallel timing simplicity. |
Compared with AD9461BSVZ, AD9467BCPZ-200 extends sample rate and bandwidth at higher power cost, while ADS5463IPFP trades SNR and parallel interface for compactness and serial data efficiency-making AD9461BSVZ optimal for balanced IF digitization where SNR, jitter, and ease of FPGA interfacing are critical.
Availability
AD9461BSVZ is available at Aetrix Electronics and suitable for radar receivers, MRI systems, and broadband wireless infrastructure requiring stable component supply, industrial temperature operation, and long-term obsolescence management.
Supply support for AD9461BSVZ 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 technologies, serving precision instrumentation, communications, and industrial markets since 1965.
The AD9461 is part of Analog Devices' high-speed data converter product line, designed specifically for demanding IF sampling applications in radar, medical imaging, and wireless infrastructure where SNR, linearity, and timing fidelity are non-negotiable.
FAQ
What is the maximum analog input frequency supported by the AD9461BSVZ?
The AD9461BSVZ specifies a 615 MHz small-signal analog bandwidth, enabling accurate digitization of IF signals up to 225 MHz at 125 MSPS or 170 MHz at full 130 MSPS rate. Performance metrics like SNR and SFDR are validated at these frequencies per Table 2 in the datasheet, confirming usability well into the third Nyquist zone.
Does the AD9461BSVZ require external reference components?
No-the AD9461BSVZ includes an internal trimmed 1.7 V reference usable with 3.4 Vp-p input range when the SENSE pin is tied to AGND. External reference operation is optional and enabled by connecting SENSE to AVDD1; no external reference IC or resistor network is needed for standard configurations.
How does the SFDR pin affect AD9461BSVZ performance?
The SFDR pin configures the analog front end for optimal spurious-free dynamic range: connect to AGND for best SFDR below 40 MHz or above 215 MHz; connect to AVDD1 for 40–215 MHz inputs. This selection improves SFDR by up to 6 dBc and reduces AVDD2 current by ~8 mA in the mid-band case.
What is the pipeline latency of the AD9461BSVZ, and why does it matter?
The AD9461BSVZ has a fixed pipeline latency of 13 clock cycles. This deterministic delay is essential for time-critical signal processing-such as digital downconversion or real-time beamforming-where consistent phase alignment between input and output data streams must be maintained across all operating conditions.
Can the AD9461BSVZ operate with CMOS outputs instead of LVDS?
Yes-the AD9461BSVZ supports both LVDS (ANSI-644 compliant) and CMOS output modes selected via the OUTPUT MODE pin. CMOS mode draws less current (14 mA DRVDD vs. 81 mA in LVDS) and is ideal for short-trace FPGA interfaces, though it sacrifices noise immunity and timing margin compared to LVDS.
AD9461BSVZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 100-TQFP Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 130M
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- LVDS - Parallel, Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- Pipelined
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 3.3V, 5V
- Voltage - Supply, Digital:
- 3V ~ 3.6V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 100-TQFP-EP (14x14)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9461BSVZ FAQ
1.How can I place an order for AD9461BSVZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9461BSVZ 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 AD9461BSVZ reliable?
The price and inventory of AD9461BSVZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9461BSVZ is usually 5 days.
3.What payment methods are accepted for AD9461BSVZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9461BSVZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9461BSVZ?
AD9461BSVZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9461BSVZ 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 AD9461BSVZ?
For technical support, including AD9461BSVZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9461BSVZ requirements.
6.How does Aetrix verify that AD9461BSVZ is sourced from the original manufacturer or authorized distributors?
All AD9461BSVZ 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 AD9461BSVZ meets industry standards.
7.What is the process for return or replacement of AD9461BSVZ?
All AD9461BSVZ units undergo pre-shipment inspection (PSI). If there is an issue with AD9461BSVZ, 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 AD9461BSVZ part is unused and in its original packaging.
Return procedure for AD9461BSVZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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