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Analog Devices Inc. AD9433BSVZ-105
- Part No.:
- AD9433BSVZ-105
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 52-TQFP Exposed Pad
- Datasheet:
-
AD9433BSVZ-105.pdf
- Description:
- IC ADC 12BIT PIPELINED 52TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,009
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Product details
Overview
AD9433BSVZ-105 from Analog Devices is a 12-bit, 105 MSPS analog-to-digital converter optimized for IF sampling up to 350 MHz, featuring 67.5 dB SNR at 70 MHz input and 83 dBc SFDR (dc–70 MHz), with on-chip track-and-hold, reference, and clock duty cycle stabilization. It operates from a 5 V analog supply and delivers TTL/CMOS-compatible outputs for cellular infrastructure receivers.
For engineers reviewing the AD9433BSVZ-105 datasheet, AD9433BSVZ-105 pinout, AD9433BSVZ-105 application, or AD9433BSVZ-105 equivalent, key selection criteria include IF bandwidth support (750 MHz full-power analog bandwidth), SFDR optimization mode control, differential encode clock interface, and industrial temperature range (−40°C to +85°C) compliance.
Technical Context
The AD9433BSVZ-105 implements a pipeline ADC architecture with integrated track-and-hold and proprietary SFDR optimization circuitry that dynamically adjusts transfer function linearity based on input frequency. Its differential analog inputs accept 2 V p-p signals with 4 kΩ input resistance and 4 pF capacitance, supporting wideband IF sampling in multicarrier 3G systems.
It uses a dual-supply configuration: 5 V analog (VCC) for core conversion and 3.3 V digital (VDD) for output drivers, with separate DGND and AGND domains. The encode clock accepts PECL-compatible differential inputs, and latency is fixed at 10 clock cycles with 0.25 ps rms aperture jitter.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - delivers 4096 discrete output codes for high-fidelity digitization of wide dynamic range IF signals. |
| Sampling Rate | 105 MSPS - supports Nyquist-sampled IF bands up to 52.5 MHz or undersampled bands up to 350 MHz. |
| SNR | 67.5 dB at fIN = 70 MHz, 105 MSPS - enables >11-bit effective resolution for demanding wireless receiver applications. |
| SFDR | 83 dBc (dc–70 MHz, SFDR MODE = 5 V) - suppresses spurious content critical for multicarrier WCDMA/LMDS base stations. |
| Analog Bandwidth | 750 MHz full-power - preserves signal integrity for high-frequency IF inputs without external amplification. |
| Power Dissipation | 1.35 W typical at 125 MSPS - requires thermal management via exposed pad soldering per JEDEC 4-layer board guidelines. |
| Digital Output Format | User-selectable twos complement or offset binary - simplifies interface alignment with FPGA or DSP data paths. |
Pinout & Package
The AD9433BSVZ-105 is housed in a 52-lead thin quad flat package with exposed thermal pad (TQFP_EP, SV-52-2), specified for −40°C to +85°C operation. The exposed paddle must be soldered to PCB ground plane to ensure thermal reliability and optimal jitter performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 7, 8 | ENCODE / ENCODE | Differential encode clock inputs; rising edge triggers sampling; PECL-compatible with 500 mV differential swing. |
| 49, 50 | AIN / AIN | Differential analog input pair; 2 V p-p full-scale range, 4 kΩ || 4 pF input impedance, common-mode voltage = 4.0 V. |
| 15–30 | D11 to D0 | 12-bit parallel digital outputs (D11 MSB to D0 LSB); TTL/CMOS-compatible with selectable twos complement or offset binary format. |
| 42 | SFDR MODE | CMOS control pin enabling proprietary SFDR optimization circuit; logic high (5 V) activates enhanced spurious suppression. |
| 41 | DFS | Data format select; logic low = twos complement, logic high = offset binary; floats low if unused. |
| 14 | OR | Out-of-range flag indicating analog input exceeds ±1 V differential swing; active-high, synchronous to ENCODE. |
| 46 | VREFOUT | 2.5 V internal reference output; requires 0.1 μF bypass capacitor to GND for stable ADC operation. |
| 45 | VREFIN | Reference input pin; accepts 2.5 V external reference if internal reference is disabled. |
Key Features
| Feature | Design Value |
|---|---|
| IF Sampling Capability | Supports input frequencies up to 350 MHz via undersampling, enabling direct digitization of 70 MHz, 150 MHz, and 250 MHz IF bands without downconversion. |
| On-Chip SFDR Optimization | Proprietary circuit improves spurious-free dynamic range by up to 11 dBc over standard mode, verified at 70 MHz and 150 MHz inputs. |
| Dual-Supply Architecture | Independent 5 V analog (VCC) and 3.3 V digital (VDD) supplies isolate noise coupling between conversion core and output drivers. |
| Integrated Reference & T/H | Eliminates need for external reference ICs or driver amplifiers in many IF receiver designs, reducing BOM count and layout complexity. |
| Industrial Temperature Range | Guaranteed operation from −40°C to +85°C with full AC/DC specifications, suitable for outdoor base station and radar environments. |
Applications
| 3G Multicarrier Base Station Receiver | LMDS/MMDS Wireless Broadband IF Digitizer |
|---|---|
Use Scenario: Digitizing multiple adjacent WCDMA carriers centered at 70 MHz IF in macrocell base stations. IC Role / Device Role / Timing Role: High-speed IF sampling ADC capturing composite RF spectrum with minimal aliasing and spurious generation. Use Value: 83 dBc SFDR at 70 MHz enables simultaneous decoding of ≥4 WCDMA carriers without intermodulation masking. |
Use Scenario: Converting 150–250 MHz IF signals in point-to-multipoint LMDS subscriber units operating in licensed 24–29 GHz bands. IC Role / Device Role / Timing Role: Wideband ADC providing 750 MHz analog bandwidth to preserve channel fidelity across 100+ MHz instantaneous bandwidth. Use Value: 65.4 dB SNR at 150 MHz supports >16-QAM modulation with BER < 1e-6 in noisy urban RF environments. |
| Cable Reverse Path Monitoring System | Radar Ground Station IF Processor |
Use Scenario: Capturing upstream DOCSIS reverse-path signals (5–42 MHz) in headend equipment with high dynamic range requirements. IC Role / Device Role / Timing Role: Low-jitter (0.25 ps rms) ADC enabling precise time-of-arrival measurement for upstream ranging. Use Value: 67.5 dB SNR at 10.3 MHz ensures accurate constellation analysis for upstream QPSK/16-QAM signal quality monitoring. |
Use Scenario: Digitizing pulsed IF outputs (250–350 MHz) from X-band radar mixers in ground-based tracking systems. IC Role / Device Role / Timing Role: High-input-bandwidth ADC supporting undersampling of 350 MHz IF with 61.2 dB SNR and 58 dBFS SFDR. Use Value: 750 MHz full-power analog bandwidth avoids external IF amplification, reducing phase noise and system latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed IF sampling ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9433BSVZ-125 | Higher sampling rate (125 MSPS), identical pinout and feature set; power dissipation increases to 1.5 W. | Better suited for wider instantaneous bandwidths (e.g., 125 MHz LMDS channels) but requires higher encode clock stability. | Select AD9433BSVZ-125 when system demands >105 MSPS sampling; otherwise AD9433BSVZ-105 offers optimal power/performance trade-off. |
| AD9432BSVZ-105 | 80/105 MSPS variant; same 52-lead TQFP_EP package and pin compatibility, but lower SFDR (72 dBc @ 70 MHz) and reduced analog bandwidth (500 MHz). | Acceptable for cost-sensitive 3G single-carrier receivers where SFDR >80 dBc is not required. | Choose AD9432BSVZ-105 only if SNR/SFDR margin allows; AD9433BSVZ-105 provides measurable improvement in multicarrier interference rejection. |
Compared with AD9433BSVZ-125 and AD9432BSVZ-105, the AD9433BSVZ-105 uniquely balances 105 MSPS throughput, 83 dBc SFDR, and 1.35 W power in a drop-in compatible footprint-making it the preferred choice for 3G/LMDS infrastructure where thermal budget and spurious performance are co-constrained.
Availability
AD9433BSVZ-105 is available at Aetrix Electronics and suitable for cellular infrastructure communication systems, LMDS wireless broadband units, and radar ground station IF processing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for AD9433BSVZ-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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with deep expertise in precision data conversion and RF signal chain solutions.
The AD9433BSVZ-105 belongs to Analog Devices' high-speed IF sampling ADC product line, engineered specifically for wireless infrastructure applications demanding wide analog bandwidth, low jitter, and superior SFDR in compact, thermally robust packages.
FAQ
What is the maximum analog input frequency supported by the AD9433BSVZ-105?
The AD9433BSVZ-105 supports IF sampling up to 350 MHz, verified by FFT measurements showing usable SNR (55.3 dB) and SFDR (61 dBFS) at 350.3 MHz input under 105 MSPS operation. This capability enables direct undersampling of L-band and S-band IF signals without analog pre-filtering.
Does the AD9433BSVZ-105 require an external reference voltage?
No, the AD9433BSVZ-105 includes an on-chip 2.5 V reference with ±80 ppm/°C drift, accessible via VREFOUT (Pin 46). An external reference may be applied to VREFIN (Pin 45) only if tighter accuracy or custom scaling is needed; default operation uses internal reference.
How does the SFDR MODE pin affect ADC performance?
When SFDR MODE (Pin 42) is pulled high to 5 V, the AD9433BSVZ-105 activates its proprietary SFDR optimization circuit, improving spurious-free dynamic range by up to 11 dBc (e.g., 83 dBc vs. 72 dBc at 70 MHz). In normal mode (pin grounded), SNR is maximized at the expense of SFDR.
What is the recommended power supply decoupling for the AD9433BSVZ-105?
Each VCC (analog 5 V) and VDD (digital 3.3 V) supply requires local 0.1 μF ceramic capacitors placed within 2 mm of respective pins, plus bulk 4.7 μF tantalum or ceramic capacitors near the package. VREFOUT (Pin 46) must be bypassed with 0.1 μF to AGND.
Is the AD9433BSVZ-105 pin-compatible with other members of the AD943x family?
Yes, the AD9433BSVZ-105 is pin-compatible with the AD9432BSVZ-105 (80/105 MSPS) and AD9433BSVZ-125 (125 MSPS), sharing identical 52-lead TQFP_EP footprint, pin functions, and power sequencing requirements-enabling hardware reuse across sampling rate variants.
AD9433BSVZ-105 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 52-TQFP Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 105M
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- 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:
- 5V
- Voltage - Supply, Digital:
- 2.7V ~ 3.3V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 52-TQFP-EP (10x10)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9433BSVZ-105 FAQ
1.How can I place an order for AD9433BSVZ-105 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9433BSVZ-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 AD9433BSVZ-105 reliable?
The price and inventory of AD9433BSVZ-105 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9433BSVZ-105 is usually 5 days.
3.What payment methods are accepted for AD9433BSVZ-105?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9433BSVZ-105 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9433BSVZ-105?
AD9433BSVZ-105 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9433BSVZ-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 AD9433BSVZ-105?
For technical support, including AD9433BSVZ-105 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9433BSVZ-105 requirements.
6.How does Aetrix verify that AD9433BSVZ-105 is sourced from the original manufacturer or authorized distributors?
All AD9433BSVZ-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 AD9433BSVZ-105 meets industry standards.
7.What is the process for return or replacement of AD9433BSVZ-105?
All AD9433BSVZ-105 units undergo pre-shipment inspection (PSI). If there is an issue with AD9433BSVZ-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 AD9433BSVZ-105 part is unused and in its original packaging.
Return procedure for AD9433BSVZ-105:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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