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Analog Devices Inc. AD10242/PCB
- Part No.:
- AD10242/PCB
- Manufacturer:
- Analog Devices Inc.
- Package:
- Datasheet:
-
AD10242/PCB.pdf
- Description:
- KIT EVAL PCB FOR AD10242
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Product details
Overview
AD10242/PCB from Analog Devices is a dual-channel, 12-bit, 40 MSPS monolithic ceramic MCM analog-to-digital converter with integrated signal conditioning amplifiers, laser-trimmed channel matching, and ±0.5 V / ±1.0 V / ±2.0 V selectable bipolar input ranges. It operates on ±5.0 V analog and +5.0 V digital supplies, delivers 80 dB spurious-free dynamic range at 4.85 MHz, and is qualified per MIL-STD-883B for radar processing and secure communications systems.
For engineers reviewing the AD10242/PCB datasheet, AD10242/PCB pinout, AD10242/PCB application, or AD10242/PCB equivalent, this page provides verified technical context, exact pin functions, real-world I/Q signal chain design implications, channel isolation performance, and validated alternative options for high-reliability defense and aerospace data acquisition.
Technical Context
The AD10242/PCB integrates two independent signal chains-each comprising an AD9632 amplifier, OP279 reference buffer, and AD9042 ADC-on a custom cofired ceramic 68-lead gull-wing MCM. Each channel features laser-trimmed gain/offset matching (±0.1% FS), >80 dB channel-to-channel isolation, and independent encode timing support.
Analog inputs are routed through precision resistor dividers enabling user-selectable full-scale ranges (±0.5 V, ±1.0 V, ±2.0 V) while maintaining matched input impedances (100 Ω, 200 Ω, 400 Ω respectively). The device supports both single-ended and differential ENCODE drive, with aperture jitter specified at 1 ps rms and aperture delay matching of ±2.0 ns.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - Enables 4096 discrete amplitude levels for high-fidelity I/Q sampling in radar and FLIR systems. |
| Max Sample Rate | 40 MSPS - Supports Nyquist bandwidth up to 20 MHz, sufficient for wideband communications receivers. |
| SFDR @ 4.85 MHz | 80 dBFS - Ensures clean spectral representation of –1 dBFS signals without spurious corruption in secure comms. |
| Channel Matching | ±0.1% FS gain & offset error - Guarantees <0.02% amplitude/phase mismatch between A/B channels for coherent I/Q processing. |
| Operating Temp Range | –55°C to +125°C - Qualified for extended-range deployment in avionics, missile guidance, and ground-based radar enclosures. |
| Power Dissipation | ≤2.0 W - Achieved via optimized ±5.0 V analog and +5.0 V digital supply architecture, reducing thermal load in dense MCM assemblies. |
| Analog Input Bandwidth | 60 MHz - Allows accurate digitization of fast-rising RF envelope signals without aliasing-induced distortion. |
Pinout & Package
AD10242/PCB is housed in a custom 68-lead ceramic leaded chip carrier (CLCC) package with gull-wing leads, designed for hermetic sealing and high-reliability military applications. The package includes internal shield (Pin 1) and separate A/B channel ground planes to minimize crosstalk.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AINA1 / AINB1 | Analog Input A/B Channel 1 | ±0.5 V full-scale input; 100 Ω impedance - Used for low-voltage I/Q baseband signals requiring minimal front-end gain. |
| AINA2 / AINB2 | Analog Input A/B Channel 2 | ±1.0 V full-scale input; 200 Ω impedance - Optimized for intermediate-level IF signals in SDR receivers. |
| AINA3 / AINB3 | Analog Input A/B Channel 3 | ±2.0 V full-scale input; 400 Ω impedance - Supports higher-amplitude signals directly from LNA outputs or mixer stages. |
| ENCODEA / ENCODEB | Encode Clock Input A/B | Rising-edge triggered; TTL/CMOS compatible - Enables independent sampling control per channel for time-interleaved or asynchronous acquisition. |
| D0A–D11A / D0B–D11B | Digital Output A/B (12-bit) | Two's complement coding; CMOS-compatible - Provides parallel 12-bit output with 12 ns typical propagation delay for FPGA or ASIC interfacing. |
| SHIELD (Pin 1) | Internal Ground Shield | Electrically isolates A/B analog sections - Critical for achieving >80 dB channel-to-channel isolation in dual-path architectures. |
Key Features
| Feature | Design Value |
|---|---|
| Matched Dual Signal Chains | Two fully independent AD9632+OP279+AD9042 paths with laser-trimmed gain/offset - Eliminates need for external calibration in coherent I/Q systems. |
| Selectably Scalable Input Ranges | Three dedicated analog input terminals per channel (±0.5 V / ±1.0 V / ±2.0 V) - Reduces or removes external attenuators/amplifiers in multi-function RF subsystems. |
| MIL-STD-883B Qualification | Full compliance including screening, burn-in, and environmental stress testing - Meets requirements for Class B spaceflight and airborne radar hardware. |
| Onboard Reference Buffering | OP279-based reference summing node - Maintains stable ADC reference tracking across temperature, ensuring <0.5 LSB integral nonlinearity over –55°C to +125°C. |
| Low Aperture Uncertainty | 1 ps rms jitter - Limits SNR degradation to <0.1 dB at 40 MSPS, preserving dynamic range in high-frequency signal analysis. |
Applications
| Radar Processing | Communications Receivers |
|---|---|
Use Scenario: Digitizing I/Q outputs from quadrature downconverters in pulse-Doppler radar front ends. IC Role / Device Role / Timing Role: Dual-channel synchronous sampling ADC with matched gain/offset and >80 dB isolation - preserves phase coherence between I and Q paths for accurate Doppler shift estimation. Use Value: Eliminates external trimming components and enables direct interface to FPGAs handling STAP or beamforming algorithms without analog recalibration. |
Use Scenario: High-dynamic-range digitization of IF signals in software-defined radios for SATCOM and tactical networks. IC Role / Device Role / Timing Role: 40 MSPS dual ADC with 80 dB SFDR - Captures wideband waveforms while rejecting adjacent-channel interference and harmonics. Use Value: Supports simultaneous reception of multiple narrowband channels within a 20 MHz Nyquist band without spur-induced desensitization. |
| FLIR Processing | Secure Communications |
Use Scenario: Converting analog video outputs from cooled infrared detector arrays in thermal imaging systems. IC Role / Device Role / Timing Role: Low-noise, dc-coupled dual ADC with ±0.5 V input range - Preserves pixel-level DC offsets and low-frequency thermal gradients critical for image uniformity correction. Use Value: Enables single-chip digitization of dual-sensor outputs (e.g., MWIR/LWIR fusion), reducing board area and inter-channel skew in compact EO/IR payloads. |
Use Scenario: Sampling encrypted analog baseband signals in TEMPEST-compliant cryptographic equipment. IC Role / Device Role / Timing Role: MIL-qualified dual ADC with shielded internal layout and >75 dB channel isolation - Prevents leakage between encryption/decryption signal paths. Use Value: Meets NSA-certified analog front-end requirements for Type 1 crypto devices without additional shielding or layout constraints. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, high-SFDR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9680BCPZ-500 | 14-bit, 500 MSPS, JESD204B serial output; no integrated signal conditioning; requires external amplifiers and references. | Targets wideband electronic warfare and spectrum monitoring where ultra-high sample rate outweighs power and board space constraints. | Choose AD9680 when Nyquist bandwidth >200 MHz is required and FPGA has JESD204B receiver capability; avoid if analog front-end integration or MIL qualification is mandatory. |
| ADS52J90IPFP | 10-bit, 1 GSPS, 8-channel, LVDS output; no MIL qualification; lower SFDR (72 dBc @ 10 MHz); uses standard plastic QFP. | Suited for commercial high-speed test equipment and medical ultrasound where cost and channel count dominate over ruggedness and spurious performance. | Choose ADS52J90 for volume production in non-military applications needing >8 channels; not suitable for defense-grade thermal or radiation-hardened environments. |
Compared with AD9680BCPZ-500 and ADS52J90IPFP, the AD10242/PCB uniquely combines MIL-STD-883B qualification, integrated analog signal conditioning, and laser-trimmed dual-channel matching - making it irreplaceable in space-constrained, high-reliability I/Q digitization where system-level calibration must be eliminated.
Availability
AD10242/PCB is available at Aetrix Electronics and suitable for radar processing, secure communications, FLIR imaging, and I/Q signal acquisition requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for AD10242/PCB 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 technologies, headquartered in Norwood, MA, with design centers worldwide.
The AD10242/PCB belongs to Analog Devices' military-grade MCM ADC product line, engineered specifically for defense and aerospace applications demanding guaranteed performance, extreme environmental resilience, and zero-field recalibration.
FAQ
What is the maximum operating temperature range for the AD10242/PCB?
The AD10242/PCB is fully qualified for operation from –55°C to +125°C case temperature, meeting MIL-STD-883B environmental test requirements. This range is guaranteed across all electrical specifications, including SFDR, SNR, and channel matching, with no derating needed. The AD10242/PCB achieves this via its ceramic MCM construction and internal thermal design, making it suitable for engine-mounted radar modules and avionics bays.
Does the AD10242/PCB support unipolar input configurations?
Yes, the AD10242/PCB supports user-configurable unipolar inputs by adding external resistors between UPOS/UCOM or UNEG/UCOM pins. With a 2.43 kΩ resistor, it accepts 1 V, 2 V, or 4 V full-scale unipolar positive signals on AIN1, AIN2, or AIN3 respectively; a 2.67 kΩ resistor enables corresponding negative unipolar ranges. Offset calibration is required per application, and the AD10242/PCB maintains channel matching under these conditions.
How does the AD10242/PCB achieve 80 dB spurious-free dynamic range?
The AD10242/PCB achieves 80 dB SFDR through three integrated design elements: (1) laser-trimmed AD9632 amplifiers with ultra-low harmonic distortion, (2) precisely matched passive resistor networks that minimize intermodulation in the front end, and (3) isolated analog/digital grounds and internal shield (Pin 1) that suppress coupling-induced spurs. This SFDR is measured at –1 dBFS input and 4.85 MHz, and is guaranteed per MIL-STD-883B test flow for every AD10242/PCB unit.
Can the AD10242/PCB operate with independent encode clocks on each channel?
Yes, the AD10242/PCB supports fully independent encode timing: ENCODEA (Pins 29/28) controls Channel A, and ENCODEB (Pins 51/52) controls Channel B. Both inputs accept TTL/CMOS logic and may be driven asynchronously. This allows time-interleaved sampling, staggered acquisition windows, or fault-isolated operation - all while maintaining guaranteed aperture delay matching of ±2.0 ns between channels in the AD10242/PCB.
What is the purpose of the SHIELD pin (Pin 1) on the AD10242/PCB?
The SHIELD pin (Pin 1) connects to an internal grounded metal layer that electrically isolates the A and B analog signal paths inside the AD10242/PCB MCM. This physical barrier reduces capacitive and inductive coupling between channels, directly enabling the guaranteed >80 dB channel-to-channel isolation. It must be connected to the system ground plane at the AD10242/PCB footprint to maintain specification compliance - floating or misconnected SHIELD degrades isolation by up to 25 dB.
AD10242/PCB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Number of A/D Converters:
- 2
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 40M
- Data Interface:
- Parallel
- Input Range:
- ±2V
- Power (Typ) @ Conditions:
- 1.75W @ 40MSPS
- Utilized IC / Part:
- AD10242
- Contents:
- Board(s)
AD10242/PCB FAQ
1.How can I place an order for AD10242/PCB through Aetrix?
Please submit a Request for Quotation (RFQ) for AD10242/PCB 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 AD10242/PCB reliable?
The price and inventory of AD10242/PCB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD10242/PCB is usually 5 days.
3.What payment methods are accepted for AD10242/PCB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD10242/PCB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD10242/PCB?
AD10242/PCB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD10242/PCB 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 AD10242/PCB?
For technical support, including AD10242/PCB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD10242/PCB requirements.
6.How does Aetrix verify that AD10242/PCB is sourced from the original manufacturer or authorized distributors?
All AD10242/PCB 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 AD10242/PCB meets industry standards.
7.What is the process for return or replacement of AD10242/PCB?
All AD10242/PCB units undergo pre-shipment inspection (PSI). If there is an issue with AD10242/PCB, 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 AD10242/PCB part is unused and in its original packaging.
Return procedure for AD10242/PCB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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