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Analog Devices Inc. AD581SH/883B
- Part No.:
- AD581SH/883B
- Manufacturer:
- Analog Devices Inc.
- Category:
- Voltage Reference
- Package:
- TO-205AA, TO-5-3 Metal Can
- Datasheet:
-
AD581SH/883B.pdf
- Description:
- IC VREF SERIES 10V TO5
- Quantity:
- Payment:
- Shipping:
Inventory:1,643
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Product details
Overview
AD581SH/883B from Analog Devices is a hermetically sealed, MIL-STD-883-compliant, 3-pin TO-5 monolithic band gap voltage reference delivering a precise +10.000 V ±5 mV output with 10 ppm/°C max temperature coefficient over −55°C to +125°C, 10 mA source capability, and 25 ppm/1000 hrs long-term stability - used as primary reference for high-resolution ADCs and DACs in aerospace and defense systems.
For engineers reviewing the AD581SH/883B datasheet, AD581SH/883B pinout, AD581SH/883B application, or AD581SH/883B equivalent, key selection criteria include guaranteed military-grade tempco, TO-5 hermetic packaging, −55°C to +125°C specified operation, no external trim requirement, and compatibility with precision 12-bit to 14-bit data converters requiring stable 10 V excitation.
Technical Context
The AD581SH/883B implements a laser-trimmed band gap core with integrated output buffer, enabling full accuracy without external components. Its architecture eliminates Zener-based drift mechanisms and achieves monotonic S-curve temperature behavior verified by three-point characterization across the full military range.
It operates from 13 V to 30 V unregulated input, supports both sourcing (up to 5 mA over full temperature) and sinking (up to 200 μA over full temperature), and maintains 0.2 Ω typical output impedance in standard 3-pin configuration - critical for low-noise, low-drift analog signal chains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | +10.000 V ±5 mV at +25°C - ensures ≤0.05% initial error for 12-bit DAC full-scale calibration. |
| Tempco | 10 ppm/°C max (−55°C to +125°C) - guarantees ≤±10 mV total deviation from 25°C value across military range. |
| Long-Term Stability | 25 ppm/1000 hrs noncumulative - enables recalibration intervals ≥1 year in field-deployed instrumentation. |
| Load Regulation | 200–500 μV/mA (0–5 mA) - maintains <0.05 mV shift per mA load change, supporting dynamic converter biasing. |
| Quiescent Current | 0.75–1.0 mA - allows integration into low-power 12 V systems with minimal supply overhead. |
| Noise (0.1–10 Hz) | 40 μV p-p - avoids LSB dither in 14-bit ADCs with 10 V FS range (LSB = 610 μV). |
| Turn-On Settling | 200 μs to 0.1% - enables power-gated precision subsystems with sub-millisecond wake-up latency. |
Pinout & Package
AD581SH/883B is housed in a hermetically sealed 3-pin TO-5 metal can (package option H-03B), with case grounded. Pin assignment is defined per bottom-view orientation: Pin 1 = +VS, Pin 2 = VOUT, Pin 3 = GND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| +VS (Pin 1) | Unregulated positive supply input | Accepts 13–30 V; internal regulation rejects line variation ≤3 mV over 15–30 V range. |
| VOUT (Pin 2) | Precision +10 V reference output | Low-impedance buffered node; capable of sourcing up to 5 mA continuously over full temperature range. |
| GND (Pin 3) | Analog ground reference | Internally tied to case; must be connected to system analog ground plane for optimal noise and stability performance. |
Key Features
| Feature | Design Value |
|---|---|
| Laser wafer trimming | Simultaneously calibrates initial offset and tempco on-die - eliminates post-packaging trim and enables guaranteed 10 ppm/°C spec without external circuitry. |
| Hermetic TO-5 package | MIL-STD-883B compliant sealing - ensures reliability in high-humidity, vacuum, and thermal shock environments typical of avionics and space payloads. |
| Negative reference mode | Configurable as −10 V Zener reference using only one external resistor - retains 10 ppm/°C tempco and 25 ppm/1000 hrs stability in inverted topology. |
| Current sink capability | Sinks up to 200 μA over −55°C to +125°C - enables low-voltage operation down to 12 V ±5% via current-sinking bias network. |
| Band gap architecture | Eliminates Zener-related aging and curvature - delivers monotonic S-curve drift and matches long-term stability of selected Zener references without oven control. |
Applications
| Aerospace Data Acquisition | Defense Radar Signal Processing |
|---|---|
|
Use Scenario: High-speed 14-bit SAR ADC digitizing IF signals in airborne radar front-ends under wide ambient temperature swings. IC Role / Device Role / Timing Role: Primary voltage reference supplying stable 10 V to ADC reference input, directly determining full-scale accuracy and differential nonlinearity. Use Value: 10 ppm/°C tempco ensures <±10 mV reference drift over −55°C to +125°C, preserving ENOB >12.8 bits across flight envelope. |
Use Scenario: Precision current source for phased-array T/R module bias control in ground-based missile defense systems. IC Role / Device Role / Timing Role: Reference element in two-component current limiter (AD581SH/883B + external resistor), setting programmable 0.75–5 mA bias current. Use Value: Laser-trimmed tempco and 25 ppm/1000 hrs stability maintain <0.1% current accuracy over 5-year field deployment without recalibration. |
| Spacecraft Telemetry Converters | Tactical Radios ADC/DAC Calibration |
|
Use Scenario: Reference for radiation-tolerant 12-bit DACs generating sensor excitation waveforms in satellite attitude control subsystems. IC Role / Device Role / Timing Role: Stable 10 V reference driving multiplying DAC (e.g., AD7533) in closed-loop feedback path for motor position control. Use Value: Hermetic TO-5 package and MIL-STD-883B screening ensure survivability during launch vibration and sustained operation in vacuum. |
Use Scenario: Dual-role reference in handheld SDR transceivers: +10 V for DAC full-scale and −10 V (Zener mode) for ADC input scaling. IC Role / Device Role / Timing Role: Single-component solution providing both polarities with matched tempco and stability - reduces BOM count and layout area. Use Value: Identical 10 ppm/°C tempco in both configurations ensures <20 mV total mismatch between +10 V and −10 V rails over military temperature range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| REF5010MDT | 10 ppm/°C max (−40°C to +125°C); SOIC-8 package; 3.8 mA quiescent current; requires external decoupling. | Not MIL-STD-883 qualified; unsuitable for vacuum or high-shock environments; lower ESD robustness. | Preferred for cost-sensitive industrial designs where hermeticity and military screening are unnecessary. |
| ADR441BRZ | 3 ppm/°C max (−40°C to +125°C); SOIC-8; 4.5 mA quiescent current; 12 V min input; no sink capability. | Higher precision but narrower input range and no current sink mode; not screened to MIL-STD-883B. | Select when ultra-low tempco is mandatory and TO-5 packaging or −55°C operation is not required. |
Compared with REF5010MDT and ADR441BRZ, the AD581SH/883B uniquely combines MIL-STD-883B compliance, −55°C start-up capability, current sink functionality for low-voltage operation, and hermetic TO-5 packaging - making it irreplaceable in mission-critical aerospace and defense analog signal chains where reliability trumps raw spec minimization.
Availability
AD581SH/883B is available at Aetrix Electronics and suitable for aerospace data acquisition, defense radar signal processing, and spacecraft telemetry converters requiring stable component supply with full traceability and extended lifecycle support.
Supply support for AD581SH/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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The AD581 product line delivers laser-trimmed monolithic voltage references optimized for military, aerospace, and industrial systems demanding guaranteed tempco, hermetic reliability, and zero-external-component operation across extreme temperatures.
FAQ
What is the operating temperature range certified for AD581SH/883B?
The AD581SH/883B is fully specified and tested over −55°C to +125°C, with guaranteed operation up to +150°C junction temperature. This range is validated per MIL-STD-883B test methods, including Method 1010 (Temperature Cycling) and Method 1015 (Steady-State Life), ensuring suitability for high-reliability aerospace and defense platforms where extended thermal margins are mandatory.
Does AD581SH/883B require external capacitors or trimming resistors for basic operation?
No - the AD581SH/883B achieves full specified accuracy with no external components. Its laser-trimmed band gap core and integrated buffer eliminate need for trim pots, compensation caps, or output filtering in standard 3-pin configuration. An optional 0.1 μF capacitor is recommended only for highly capacitive loads, per Figure 10 in the datasheet.
Can AD581SH/883B generate a negative reference voltage?
Yes - the AD581SH/883B supports 2-pin Zener-mode operation to deliver a precision −10.00 V reference. As shown in Figure 13, +VS and VOUT are shorted to system ground, while GND is connected through a resistor to the negative rail. Output is taken from the GND pin, retaining 10 ppm/°C tempco and 25 ppm/1000 hrs stability.
What is the maximum continuous output current AD581SH/883B can source across its full temperature range?
The AD581SH/883B guarantees 5 mA continuous source current from −55°C to +125°C, as confirmed in Table 2 of the datasheet. At +25°C, it supports up to 10 mA. This capability enables direct drive of multiple precision op-amps, DAC reference inputs, or low-power ADCs without external buffers.
Is AD581SH/883B compatible with 12 V unregulated supplies?
Yes - although rated for 13–30 V, the AD581SH/883B typically regulates down to 12 V ±5% when used with a current-sinking configuration (Figure 11). The internal sink capability allows net device current to remain within 1–5 mA even at reduced input, avoiding dropout while maintaining 10 ppm/°C tempco performance.
AD581SH/883B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- TO-205AA, TO-5-3 Metal Can
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 10V
- Voltage - Output (Max):
- -
- Current - Output:
- 10 mA
- Tolerance:
- -
- Temperature Coefficient:
- 30ppm/°C
- Noise - 0.1Hz to 10Hz:
- 40µVp-p
- Noise - 10Hz to 10kHz:
- -
- Voltage - Input:
- 12V ~ 30V
- Current - Supply:
- 1mA
- Current - Cathode:
- -
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- Military
- Qualification:
- MIL-STD-883
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-5-3
AD581SH/883B FAQ
1.How can I place an order for AD581SH/883B through Aetrix?
Please submit a Request for Quotation (RFQ) for AD581SH/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 AD581SH/883B reliable?
The price and inventory of AD581SH/883B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD581SH/883B is usually 5 days.
3.What payment methods are accepted for AD581SH/883B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD581SH/883B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD581SH/883B?
AD581SH/883B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD581SH/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 AD581SH/883B?
For technical support, including AD581SH/883B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD581SH/883B requirements.
6.How does Aetrix verify that AD581SH/883B is sourced from the original manufacturer or authorized distributors?
All AD581SH/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 AD581SH/883B meets industry standards.
7.What is the process for return or replacement of AD581SH/883B?
All AD581SH/883B units undergo pre-shipment inspection (PSI). If there is an issue with AD581SH/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 AD581SH/883B part is unused and in its original packaging.
Return procedure for AD581SH/883B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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