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Analog Devices Inc. AD9066JR
- Part No.:
- AD9066JR
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 28-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
AD9066JR.pdf
- Description:
- IC ADC 6BIT DUAL 60MSPS 28-SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,641
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Product details
Overview
AD9066JR from Analog Devices is a dual 6-bit, 60 MSPS monolithic analog-to-digital converter optimized for I/Q demodulation in digital direct broadcast satellite (DBS) receivers. It integrates two matched ADCs, an on-chip voltage reference, and CMOS-compatible digital outputs operating from a single +5 V supply. Its full-scale input range is 500 mV ±25 mV, differential linearity is ±0.5 LSB, and effective number of bits is 5.7 at 15.5 MHz.
For engineers reviewing the AD9066JR datasheet, AD9066JR pinout, AD9066JR application, or AD9066JR equivalent, this page delivers verified technical context, package mapping, real-world use value in QPSK demodulation systems, and validated alternative options - all grounded in Analog Devices' official specifications for the AD9066JR commercial-grade variant.
Technical Context
The AD9066JR employs a patented interpolated flash architecture using 32 comparator preamplifiers to achieve 64 quantization levels, minimizing input capacitance (15 pF max) and enabling high-speed sampling. Its internal voltage reference ladder (VT–VB) establishes a midscale bias point, allowing self-biased operation with AC-coupled inputs and configurable full-scale range via external VT/VB control.
Dual-channel conversion is synchronized by a single TTL-compatible ENCODE input (1.4 V threshold), with latched CMOS outputs exhibiting 11 ns propagation delay (tPD) and 4 ns output valid delay (tV). Aperture uncertainty is 10 ps rms, supporting stable dynamic performance up to 100 MHz input bandwidth and 60 MSPS conversion rate.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 6-bit dual-channel ADC - delivers 64 discrete output codes per channel for baseband I/Q signal digitization. |
| Max Conversion Rate | 60 MSPS - supports symbol rates up to 10 Mbaud in QPSK/DBS applications without undersampling. |
| Full-Scale Input Range | 500 mV ±25 mV - defined across VT–VB reference ladder; enables direct interfacing with IF stages after bandpass filtering. |
| Differential Linearity | ±0.5 LSB - ensures monotonic transfer function critical for error-free symbol decision in digital demodulators. |
| Effective Number of Bits | 5.7 bits @ 15.5 MHz - corresponds to ~36 dB SINAD, sufficient for 16-QAM and QPSK constellations in DBS receivers. |
| Power Dissipation | 400 mW typical - low-power operation enables integration into space-constrained satellite receiver front-ends. |
| Supply Voltage | +5 V ±0.25 V - single-supply operation simplifies power design and eliminates need for dual-rail supplies. |
| Operating Temperature | 0°C to +70°C - commercial-grade rating suitable for indoor set-top box and consumer-grade VSAT terminals. |
Pinout & Package
The AD9066JR is housed in a 28-lead SOIC package (R-28), with 14 pins per side, gull-wing leads, and standard JEDEC MS-012AC dimensions (0.311" × 0.212"). Pin 1 is located at bottom-left corner when viewed top-down with notch or dot orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ENCODE (Pin 1) | Sampling clock input | TTL-compatible CMOS input (1.4 V threshold); rising-edge triggered; minimum pulse width 7 ns required for 60 MSPS operation. |
| INA (Pin 6), INB (Pin 11) | Analog input channels | Differential-capable single-ended inputs biased to midscale (~2.5 V) internally; full-scale swing = 500 mV centered at VT/2. |
| REF A (Pin 10), REF B (Pin 12) | Mid-reference taps | Provide buffered midscale voltage for external DC offset compensation in dc-coupled configurations. |
| VT (Pin 9), VB (Pin 13) | Reference ladder terminals | Allow full-scale range adjustment: forcing VB lower increases input range (e.g., 705 mV at VB = 3.0 V). |
| D0A–D5A (Pins 23–28, 15–16), D0B–D5B (Pins 15–20) | Digital outputs | CMOS-compatible, offset binary coding; D0 = LSB, D5 = MSB; drive capability ≥1 mA at VOH/VOL limits. |
| +VS (Pins 2, 5, 8, 21) | Power supply | +5 V supply shared across analog core, digital logic, and output drivers; requires local 0.1 µF ceramic bypassing. |
| GND (Pins 3, 4, 7, 14, 22) | Ground return | Multiple dedicated ground pins minimize switching noise coupling between analog and digital sections. |
Key Features
| Feature | Design Value |
|---|---|
| Dual matched ADCs on single die | Guarantees <16 mV gain matching between channels - essential for maintaining I/Q amplitude balance in quadrature demodulators. |
| On-chip voltage reference ladder | Eliminates need for external reference ICs; provides stable midscale bias and configurable full-scale range via VT/VB control. |
| Self-biased for AC-coupled inputs | Internally biases analog inputs to midscale without external components - reduces BOM count and layout complexity in IF sampling paths. |
| CMOS-compatible digital interface | Direct connection to FPGA or DSP without level-shifting; supports 60 MSPS data throughput with 11 ns tPD and 4 ns tV timing margins. |
| Low-power 400 mW dissipation | Enables thermal management in compact consumer satellite receivers without heatsinking or forced airflow. |
Applications
| Direct Broadcast Satellite (DBS) Receivers | QAM Demodulators |
|---|---|
|
Use Scenario: Digitizing I/Q baseband signals from LNB downconverters in consumer satellite set-top boxes. IC Role / Device Role / Timing Role: Dual-channel ADC capturing in-phase and quadrature components simultaneously at 60 MSPS for QPSK symbol recovery. Use Value: Internal reference and self-biasing eliminate external op-amps and references, reducing component count by ≥3 while maintaining 5.7 ENOB at 15.5 MHz. |
Use Scenario: Sampling intermediate frequency outputs in cable modem upstream paths using 64-QAM modulation. IC Role / Device Role / Timing Role: High-speed dual ADC providing time-aligned I/Q samples to digital signal processor for constellation mapping. Use Value: Matched channel gain (<16 mV spread) and ±0.5 LSB DNL ensure minimal EVM degradation in multi-carrier QAM systems. |
| Wireless LANs (IEEE 802.11b) | VSAT Receivers |
|
Use Scenario: Baseband digitization in 2.4 GHz DSSS receivers requiring low-cost, low-power ADCs for correlation processing. IC Role / Device Role / Timing Role: Dual ADC sampling I/Q outputs of quadrature downconverter at 11 MSPS (for CCK modulation). Use Value: 100 MHz analog bandwidth and 10 ps aperture jitter preserve chip-level timing integrity during Barker code correlation. |
Use Scenario: Digitizing L-band IF signals in outdoor VSAT terminals deployed in telecom backhaul infrastructure. IC Role / Device Role / Timing Role: Dual ADC serving as front-end digitizer for carrier recovery and symbol timing loops in QPSK demodulator ASICs. Use Value: Single +5 V supply and 400 mW power enable integration into sealed, fanless enclosures with ambient temperature up to +70°C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel 6-bit ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9066AR | Identical architecture and pinout; rated for –40°C to +85°C industrial temperature range. | Suitable for outdoor VSAT, industrial telemetry, or automotive infotainment where extended thermal operation is required. | Select AD9066AR only if ambient operating temperature exceeds +70°C or falls below 0°C. |
| MAX1198 | Single 6-bit, 65 MSPS ADC (not dual); uses external reference; no integrated VT/VB ladder; different pinout and package (24-TSSOP). | Requires external biasing circuitry and dual ADC pairing; higher system-level design effort for I/Q paths. | Consider MAX1198 only when board space constraints favor smaller package and dual-channel matching is handled externally. |
Compared with AD9066JR, AD9066AR offers identical electrical performance with extended temperature support but same cost structure and footprint; MAX1198 trades integrated dual-channel functionality and self-biasing for higher sample rate and smaller package - increasing system complexity for I/Q applications.
Availability
AD9066JR is available at Aetrix Electronics and suitable for direct broadcast satellite receivers, QAM demodulators, and VSAT terminals requiring stable component supply, commercial-temperature-rated ADCs with proven I/Q channel matching.
Supply support for AD9066JR 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, founded in 1965 and headquartered in Wilmington, MA.
The AD9066 family was designed specifically for cost-sensitive, high-volume I/Q demodulation in digital satellite receivers - emphasizing integrated biasing, dual-channel matching, and single-supply operation to reduce system-level bill-of-materials.
FAQ
What is the maximum analog input frequency supported by the AD9066JR?
The AD9066JR supports an analog input bandwidth of 100 MHz (3 dB point), verified at +25°C with 15.5 MHz sine wave input. This allows faithful digitization of IF signals up to L-band (1–2 GHz after quadrature downconversion) when used with appropriate anti-alias filtering. The AD9066JR maintains 5.3+ ENOB across 10–100 MHz, making it suitable for broadband QPSK applications in DBS and VSAT systems.
Does the AD9066JR require external reference components?
No, the AD9066JR does not require external reference components for basic operation. It integrates a precision voltage reference ladder with VT and VB terminals, and internally biases the analog inputs to midscale for AC-coupled applications. REF A and REF B pins provide access to the midscale voltage for optional external offset correction in DC-coupled configurations, but no external reference IC or resistor network is needed for standard use.
What is the meaning of "offset binary" coding in the AD9066JR digital outputs?
Offset binary coding in the AD9066JR means the digital output represents analog input voltage linearly, where zero volts maps to hexadecimal 20h (010000b), mid-scale (2.5 V) maps to 000000b, and full-scale positive (2.5 V + 250 mV) maps to 111111b. This coding simplifies interface with DSPs and FPGAs performing baseband processing, as it avoids two's complement sign extension and preserves monotonicity across the entire input range.
Can the AD9066JR operate with a 3.3 V supply?
No, the AD9066JR is specified only for +5 V ±0.25 V operation (+4.75 V to +5.25 V). Its internal reference ladder, comparator thresholds, and CMOS output drivers are designed around this voltage. Applying 3.3 V will result in undefined behavior, failure to meet datasheet specifications (e.g., full-scale range collapse, increased DNL), and potential damage due to improper biasing of internal circuits. Use only the specified +5 V supply with proper decoupling.
How does the AD9066JR handle crosstalk between its two ADC channels?
The AD9066JR achieves ≥40 dBc crosstalk rejection between Channel A and Channel B, measured at +25°C with 15.5 MHz input. This is enabled by physical separation of analog input paths, independent reference ladder segments, and dedicated ground pins isolating digital switching noise. The specification ensures that I/Q signal integrity remains intact in QPSK demodulation, preventing constellation rotation or EVM degradation caused by inter-channel coupling.
AD9066JR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 28-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Number of Bits:
- 6
- Sampling Rate (Per Second):
- 60M
- Number of Inputs:
- -
- Input Type:
- -
- Data Interface:
- Parallel
- Configuration:
- -
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 2
- Architecture:
- -
- Reference Type:
- -
- Voltage - Supply, Analog:
- -
- Voltage - Supply, Digital:
- -
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 28-SOIC
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9066JR FAQ
1.How can I place an order for AD9066JR through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9066JR 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 AD9066JR reliable?
The price and inventory of AD9066JR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9066JR is usually 5 days.
3.What payment methods are accepted for AD9066JR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9066JR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9066JR?
AD9066JR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9066JR 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 AD9066JR?
For technical support, including AD9066JR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9066JR requirements.
6.How does Aetrix verify that AD9066JR is sourced from the original manufacturer or authorized distributors?
All AD9066JR 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 AD9066JR meets industry standards.
7.What is the process for return or replacement of AD9066JR?
All AD9066JR units undergo pre-shipment inspection (PSI). If there is an issue with AD9066JR, 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 AD9066JR part is unused and in its original packaging.
Return procedure for AD9066JR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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