AD630BD Analog Devices Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The Analog Devices AD630BD is a precision 2 MHz balanced modulator/demodulator IC in a 20-pin ceramic DIP package, designed for synchronous detection and lock-in amplifier applications. It delivers high carrier suppression and operates from ±15 V supplies for demanding analog signal processing. Available worldwide for instrumentation, communications, and scientific measurement system designs.
- Manufacturer
- Analog Devices
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- AD630BD Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 2 MHz channel bandwidth with high carrier suppression for precision synchronous modulation and demodulation
- 20-pin hermetic ceramic DIP package supports -55°C to +125°C operation for military and high-reliability instrumentation
- Operates from ±15 V supply rails providing high dynamic range for lock-in amplifier and phase-sensitive detector applications
Applications
The AD630BD is a core building block for lock-in amplifiers and phase-sensitive detectors used to recover microvolt-level signals buried in noise across a 2 MHz bandwidth. It is widely applied in scientific instruments, seismic monitoring, and biomedical equipment where synchronous demodulation of low-frequency signals is required. Defense and aerospace systems also leverage its ceramic DIP packaging and wide operating temperature range for long-term reliable signal processing.
Specifications
| YTEOL | 0 |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for AD630BD:
Rochester Electronics LLC RF/Microwave Modulator/Demodulator
Frequently Asked Questions
What bandwidth and supply voltage does the AD630BD support, and how does this suit lock-in amplifier designs?
The AD630BD supports a 2 MHz channel bandwidth and operates from ±15 V supply rails, giving it a wide dynamic range for synchronous detection. These specs allow lock-in amplifiers to track carrier frequencies from audio range up to 2 MHz while recovering signals as small as a few microvolts riding on noisy baselines in precision laboratory measurement systems.
How does the 20-pin ceramic DIP package of the AD630BD benefit high-reliability instrumentation environments?
The 20-pin ceramic DIP package provides hermetic sealing that protects the die from humidity and contamination, extending service life in demanding environments. It supports junction operation from -55°C to +125°C, making the AD630BD suitable for military-grade instruments, avionics signal processors, and industrial control systems requiring continuous reliability across wide temperature swings.
For a 1 kHz tone detection task in a noisy factory environment, why choose the AD630BD over a software demodulator?
The AD630BD performs hardware phase-sensitive demodulation at frequencies up to 2 MHz with no processing latency, recovering 1 kHz tones from signals as low as a few microvolts against rail-to-rail noise on ±15 V lines. A software-based approach introduces algorithmic delay and quantization noise, while the AD630BD provides real-time analog output with inherently continuous amplitude tracking in high-throughput feedback loops.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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