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Analog Devices Inc. ADVFC32SH/883B
- Part No.:
- ADVFC32SH/883B
- Manufacturer:
- Analog Devices Inc.
- Category:
- V/F and F/V Converters
- Package:
- TO-100-10 Metal Can
- Datasheet:
-
ADVFC32SH/883B.pdf
- Description:
- IC F/V & V/F CONV 500KHZ TO100
- Quantity:
- Payment:
- Shipping:
Inventory:2,647
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Product details
Overview
ADVFC32SH/883B from Analog Devices is a MIL-STD-883-compliant monolithic voltage-to-frequency (V/F) and frequency-to-voltage (F/V) converter optimized for high-reliability aerospace and defense systems. It delivers 0.01% max nonlinearity at 10 kHz full-scale, supports ±15 V dual supply, operates across –55°C to +125°C, and features TTL/CMOS-compatible open-collector output with 30 V voltage range - enabling precision analog signal conditioning in radiation-tolerant telemetry and avionics data acquisition.
For engineers reviewing the ADVFC32SH/883B datasheet, ADVFC32SH/883B pinout, ADVFC32SH/883B application, or ADVFC32SH/883B equivalent, key selection criteria include its 6-decade dynamic range (0–500 kHz), ±150 ppm/°C full-scale calibration drift, current/voltage input flexibility, charge-balancing architecture requiring only one precision RC pair, and hermetic TO-100 (H-10A) packaging for extended temperature and reliability assurance.
Technical Context
The ADVFC32SH/883B implements a charge-balancing architecture where full-scale frequency is set solely by external capacitor C1 and resistor RIN - tolerances of other components (e.g., integration capacitor C2) do not affect linearity or drift. Its input amplifier supports both unipolar and bipolar voltage/current inputs via configurable external networks, while the comparator stage accommodates TTL/CMOS logic levels for F/V mode.
In V/F mode, the device uses an internal 1 mA current source and integrator to generate frequency proportional to input magnitude; in F/V mode, it integrates switched 1 mA pulses timed by C1 to produce output voltage proportional to input frequency. Input offset drift is 3 ppm/°C of full scale, and the open-collector output supports pull-up to 30 V with ≤8 mA sink capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Full-Scale Frequency Range | 0–500 kHz - enables wide dynamic range signal conversion without range switching |
| Nonlinearity (10 kHz FS) | ±0.01% - ensures monotonic 16-bit-equivalent resolution in microprocessor A/D front ends |
| Supply Voltage | ±9 V to ±18 V - supports standard ±15 V rails with margin for transient tolerance |
| Operating Temperature | –55°C to +125°C - qualified per MIL-STD-883 for harsh-environment deployment |
| Input Current Range (V/F) | 0–0.25 mA - sets scaling via external RIN; allows direct connection to current-output sensors |
| Output Type | Open-collector frequency output - permits flexible logic-level interfacing (5 V, 15 V, or up to 30 V pull-up) |
| Full-Scale Calibration Drift | ±150 ppm/°C - requires periodic gain calibration in high-accuracy long-duration measurements |
Pinout & Package
ADVFC32SH/883B is housed in a hermetically sealed TO-100 metal can package (H-10A), rated for military-grade thermal and mechanical robustness. Pin numbering follows top-view orientation with Pin 1 identified by dot or tab.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Offset Null (–) | Connects to trimming network for input offset voltage adjustment; referenced to Pin 2 |
| Pin 2 | Offset Null (+) | Reference terminal for offset null potentiometer; used with Pin 1 to trim amplifier offset |
| Pin 3 | Integrator Output | Amplifier output node driving integrator capacitor; critical for loop stability in V/F mode |
| Pin 4 | Comparator Inverting Input | Input to internal comparator; used in F/V mode to detect logic transitions |
| Pin 5 | Comparator Noninverting Input | Ground reference for comparator threshold in standard configurations |
| Pin 6 | Logic Ground | Digital ground return for open-collector output stage; separate from analog ground in mixed-signal layouts |
| Pin 7 | Negative Supply (–VS) | Connects to –15 V rail; powers analog core and comparator stages |
| Pin 8 | Positive Supply (+VS) | Connects to +15 V rail; supplies bias for input amplifier and timing circuitry |
| Pin 9 | Frequency Output | Open-collector output; sinks up to 8 mA; requires external pull-up for logic-level compatibility |
| Pin 10 | Analog Ground | Primary analog reference plane; must be tied to system analog ground with low-inductance path |
Key Features
| Feature | Design Value |
|---|---|
| Charge-balancing V/F architecture | Full-scale frequency depends only on one precision RC pair (C1/RIN); ±20% components acceptable elsewhere |
| Bipolar/unipolar input support | Configurable via external resistors to accept ±10 V, 0–10 V, or 4–20 mA signals without redesign |
| MIL-STD-883B compliance | Screened for burn-in, thermal cycling, and hermeticity; meets Class B requirements for space-qualified systems |
| 6-decade dynamic range | Operates linearly from 0.01 Hz to 500 kHz - eliminates need for multiple gain ranges in telemetry systems |
| TTL/CMOS-compatible output | Open-collector driver supports 5 V, 15 V, or 30 V logic interfaces - simplifies integration with FPGA, MCU, or discrete logic |
Applications
| Aerospace Telemetry Transmitter | Avionics Sensor Signal Conditioning |
|---|---|
Use Scenario: Converting analog pressure, temperature, and acceleration sensor outputs into noise-immune frequency signals for transmission over long harnesses in aircraft flight control systems. IC Role / Device Role / Timing Role: V/F converter providing galvanic isolation-ready FM modulation; replaces analog wiring with robust digital-like signaling. Use Value: Achieves >60 dB common-mode rejection using optocoupler-coupled FM links - eliminates ground-loop errors in distributed sensor networks. |
Use Scenario: Front-end signal conversion for inertial measurement units (IMUs) operating in high-vibration, wide-temperature environments aboard fighter jets and UAVs. IC Role / Device Role / Timing Role: Precision V/F converter with –55°C to +125°C operation and MIL-qualified packaging - serves as primary analog interface before ADC sampling. Use Value: Delivers 0.01% linearity at 10 kHz and ±150 ppm/°C drift stability - enables calibrated 16-bit-equivalent resolution without onboard DAC feedback. |
| Defense System Data Acquisition | Radiation-Hardened Test Equipment |
Use Scenario: Digitizing analog outputs from radiation monitors, power supply monitors, and environmental sensors in nuclear command-and-control shelters. IC Role / Device Role / Timing Role: Dual-mode (V/F and F/V) converter supporting both sensor digitization and reference signal reconstruction in closed-loop calibration rigs. Use Value: Enables self-calibrating A/D subsystems using microprocessor-controlled timing - achieves monotonic 16-bit performance with offset/gain correction cycles. |
Use Scenario: Building portable, battery-powered field test sets for verifying analog subsystems in missile guidance electronics under extreme thermal stress. IC Role / Device Role / Timing Role: High-stability F/V converter reconstructing frequency-modulated test stimuli into precise DC voltage references for DUT validation. Use Value: Maintains <15 mV output ripple and 2 kHz bandwidth with simple RC filtering - provides clean, traceable analog stimulus without active op-amp stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage-to-frequency and frequency-to-voltage conversion applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD650SD/883B | Higher accuracy (0.002% nonlinearity), wider supply range (±5 V to ±18 V), but limited to 100 kHz full-scale and higher quiescent current (12 mA) | Preferred for metrology-grade calibration equipment; less suitable for high-speed telemetry due to bandwidth limit | Select AD650SD/883B when absolute linearity dominates over bandwidth and power constraints |
| VFC32K/883B (Texas Instruments) | Pin-compatible legacy part; same H-10A package and functional block diagram, but higher full-scale drift (±200 ppm/°C) and no guaranteed 500 kHz operation | Used in legacy repair scenarios; lacks ADVFC32SH/883B's 0.01% 10 kHz linearity guarantee and MIL-883B screening depth | Choose VFC32K/883B only for form-fit replacement where original design validation is retained |
Compared with AD650SD/883B, ADVFC32SH/883B trades metrology-grade linearity for 5× wider bandwidth and lower power; versus VFC32K/883B, it delivers tighter drift control and verified 500 kHz operation - making it optimal for new designs demanding speed, stability, and military qualification in one package.
Availability
ADVFC32SH/883B is available at Aetrix Electronics and suitable for aerospace telemetry transmitters, avionics sensor signal conditioning, and defense system data acquisition requiring stable component supply across extended temperature and long-lifecycle programs.
Supply support for ADVFC32SH/883B 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, serving precision instrumentation, aerospace, and industrial markets since 1965.
The ADVFC32SH/883B belongs to Analog Devices' precision converter product line, engineered specifically for high-reliability analog signal translation in mission-critical systems where linearity, temperature stability, and MIL qualification are mandatory.
FAQ
What is the maximum full-scale frequency supported by the ADVFC32SH/883B?
The ADVFC32SH/883B supports a full-scale frequency range of 0–500 kHz, verified per MIL-STD-883B testing. At 500 kHz, nonlinearity is specified at ±0.20%, making it suitable for high-speed telemetry and real-time monitoring applications where bandwidth outweighs ultra-fine linearity requirements. This capability is explicitly confirmed in the ADVFC32SH/883B datasheet's Dynamic Performance table.
Does the ADVFC32SH/883B require external passive components to operate?
Yes, the ADVFC32SH/883B requires external components for both V/F and F/V modes: a precision timing capacitor (C1), input scaling resistor (RIN), and integration capacitor (C2). The full-scale frequency is determined solely by C1 and RIN, while C2 value affects settling time but not linearity. Component selection guidelines - including temperature coefficient limits - are provided in the official ADVFC32SH/883B datasheet.
Is the ADVFC32SH/883B pin-compatible with older VFC32 variants?
Yes, the ADVFC32SH/883B is designed as a pin-for-pin replacement for VFC32 devices from other manufacturers, including TI's VFC32K/883B. It shares identical H-10A (TO-100) pinout, supply connections, and functional terminal roles. However, ADVFC32SH/883B improves upon full-scale drift (±150 ppm/°C vs. ±200 ppm/°C) and guarantees 500 kHz operation - enhancements validated in its MIL-STD-883B screening report.
What is the purpose of Pins 1 and 2 on the ADVFC32SH/883B?
Pins 1 and 2 on the ADVFC32SH/883B serve as the offset null terminals for the internal input amplifier. A potentiometer (typically 10 kΩ) is connected between them, with its wiper grounded, to trim input offset voltage to zero. This adjustment is critical for achieving the specified 0.01% nonlinearity at 10 kHz full-scale and is performed during system calibration per the ADVFC32SH/883B application notes.
Can the ADVFC32SH/883B operate with a single supply voltage?
No, the ADVFC32SH/883B requires dual ±VS supplies (±9 V to ±18 V) to function correctly in both V/F and F/V modes. Its internal architecture relies on symmetric rail operation for the integrator, comparator, and current sources. Attempting single-supply operation will result in incorrect biasing, loss of negative input capability, and failure to meet specified linearity or dynamic range - as confirmed in the ADVFC32SH/883B Electrical Specifications table.
ADVFC32SH/883B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- TO-100-10 Metal Can
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Volt to Frequency and Frequency to Volt
- Frequency - Max:
- 500 kHz
- Full Scale:
- ±150ppm/°C
- Linearity:
- ±0.05%
- Mounting Type:
- Through Hole
- Grade:
- Military
- Qualification:
- MIL-STD-883
- Supplier Device Package:
- TO-100-10
ADVFC32SH/883B FAQ
1.How can I place an order for ADVFC32SH/883B through Aetrix?
Please submit a Request for Quotation (RFQ) for ADVFC32SH/883B 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 ADVFC32SH/883B reliable?
The price and inventory of ADVFC32SH/883B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADVFC32SH/883B is usually 5 days.
3.What payment methods are accepted for ADVFC32SH/883B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADVFC32SH/883B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADVFC32SH/883B?
ADVFC32SH/883B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADVFC32SH/883B 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 ADVFC32SH/883B?
For technical support, including ADVFC32SH/883B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADVFC32SH/883B requirements.
6.How does Aetrix verify that ADVFC32SH/883B is sourced from the original manufacturer or authorized distributors?
All ADVFC32SH/883B 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 ADVFC32SH/883B meets industry standards.
7.What is the process for return or replacement of ADVFC32SH/883B?
All ADVFC32SH/883B units undergo pre-shipment inspection (PSI). If there is an issue with ADVFC32SH/883B, 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 ADVFC32SH/883B part is unused and in its original packaging.
Return procedure for ADVFC32SH/883B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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