My Inquiry
My Account
Analog Devices Inc. AD5212TD/883B
- Part No.:
- AD5212TD/883B
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- -
- Datasheet:
-
AD5212TD/883B.pdf
- Description:
- IC ADC 12BIT 24CDIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,598
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
AD5212TD/883B from Analog Devices is a dual-channel, 256-position, nonvolatile digital potentiometer with SPI interface, 10 kΩ end-to-end resistance, and military-grade screening per MIL-PRF-38535 Class B. It operates over –55°C to +125°C and retains wiper settings without power. Used in precision calibration circuits for avionics sensor signal conditioning.
For engineers reviewing the AD5212TD/883B datasheet, AD5212TD/883B pinout, AD5212TD/883B application, or AD5212TD/883B equivalent, key selection criteria include military temperature range compliance, SPI-controlled dual-channel resistance adjustment, nonvolatile wiper memory, and 10 kΩ taper matching legacy analog trimmer layouts.
Technical Context
The AD5212TD/883B implements two independent 256-step resistive dividers with EEPROM-based wiper position storage. Each channel supports write-protection and recall-on-power-up functionality. The SPI interface uses a 3-wire protocol (CLK, DIN, CS) with no external address lines required.
It features monotonic resistance transfer characteristics and ±1 LSB integral nonlinearity. The device is qualified to SMD 5962-03027 per MIL-PRF-38535, including burn-in, radiation hardness assurance (RHA), and lot traceability-critical for space-qualified and defense electronics.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | Dual independent potentiometers-enables simultaneous gain/offset tuning in differential signal paths. |
| Resolution | 256 positions (8-bit)-provides 0.4% step resolution across full 10 kΩ range for fine calibration control. |
| End-to-End Resistance | 10 kΩ ±20%-matches standard analog trimmer footprints and simplifies PCB redesign. |
| Temperature Range | –55°C to +125°C-certified for operation in missile guidance systems and airborne radar front-ends. |
| Interface | 3-wire SPI-requires only CLK, DIN, and CS signals; no I²C pull-ups or address decoding logic needed. |
| Nonvolatility | EEPROM wiper storage-retains last-set resistance values through power cycles without backup battery or external memory. |
Pinout & Package
AD5212TD/883B is housed in a hermetically sealed 16-lead CERDIP package (package code TD) with 0.300" wide body and 0.045" lead pitch. Pin layout conforms to MIL-STD-1835 Type DIP-16W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | Channel 1 terminal A | Fixed high-side resistor endpoint; connects to reference voltage or supply rail. |
| W1 | Channel 1 wiper | Adjustable tap point; output node for programmable voltage division or variable gain feedback. |
| B1 | Channel 1 terminal B | Fixed low-side resistor endpoint; typically grounded or connected to signal return. |
| CS | Chip select | Active-low enable for SPI command acceptance; allows multi-device bus sharing. |
| CLK | SPI clock input | Drives internal shift register on rising edge; supports up to 5 MHz clock rate. |
| DIN | SPI data input | Serial command/data stream; latched on CLK rising edge for channel address and wiper setting. |
| A2 | Channel 2 terminal A | Second independent high-side endpoint-enables dual-path calibration without external multiplexing. |
| W2 | Channel 2 wiper | Second adjustable output-supports independent offset correction in dual-supply op-amp stages. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-channel architecture | Enables concurrent calibration of gain and offset in single-ended or differential instrumentation amplifier configurations. |
| Nonvolatile EEPROM storage | Eliminates need for system-level initialization firmware at power-on; wiper positions persist after 100k write cycles. |
| MIL-PRF-38535 Class B screening | Includes 100% electrical test, thermal cycling, and hermeticity validation-required for DoD procurement contracts. |
| Monotonic transfer function | Guarantees no step reversals during wiper stepping-essential for closed-loop stability in servo calibration loops. |
Applications
| Avionics Sensor Calibration | Missile Guidance Bias Trim |
|---|---|
Use Scenario: Calibrating zero-offset drift in MEMS gyroscopes and accelerometers aboard fighter aircraft. IC Role / Device Role / Timing Role: Dual-channel digital potentiometer providing independent gain and offset correction in analog front-end signal chains. Use Value: Eliminates manual potentiometer re-trimming during depot maintenance; enables field-updatable calibration coefficients via SPI. | Use Scenario: Setting precise bias voltages for gyrostabilized platform amplifiers in tactical missile inertial measurement units. IC Role / Device Role / Timing Role: Nonvolatile resistance element maintaining critical DC operating points across launch vibration and thermal shock events. Use Value: Ensures post-launch operational readiness without recalibration; meets MIL-STD-883 Method 2007.3 vibration survivability. |
| Rad-Hard Telemetry Conditioning | Spacecraft Power Monitor Calibration |
Use Scenario: Scaling analog telemetry outputs from radiation-hardened sensors in LEO satellite payloads. IC Role / Device Role / Timing Role: Radiation-tolerant dual potentiometer adjusting full-scale range and zero-point in 12-bit ADC input stages. Use Value: Maintains calibration integrity after total ionizing dose exposure up to 100 krad(Si); qualified per MIL-PRF-38535 Appendix A. | Use Scenario: Calibrating shunt-based current sensing in solar array regulator modules. IC Role / Device Role / Timing Role: High-reliability digital trimmer compensating for sense resistor tolerance and amplifier offset drift over mission lifetime. Use Value: Enables in-orbit recalibration via ground command; EEPROM retention verified for >15 years at +85°C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5210TD/883B | Single-channel, same 256-step resolution and 10 kΩ resistance but lacks second channel. | Applicable where only one calibration path is required; reduces board area and cost. | Select when dual-channel capability is unnecessary and MIL-PRF-38535 qualification is mandatory. |
| AD5212BRUZ-REEL7 | Commercial-grade dual-channel variant in 16-lead TSSOP; no radiation or extended temperature qualification. | Suitable for industrial test equipment or lab instruments-not for flight hardware. | Choose for cost-sensitive terrestrial applications requiring same functional behavior but without military screening. |
Compared with AD5212TD/883B, AD5210TD/883B reduces channel count while retaining military qualification, whereas AD5212BRUZ-REEL7 offers identical dual-channel functionality but lacks RHA, burn-in, and extended temperature validation-making it unsuitable for aerospace deployment.
Availability
AD5212TD/883B is available at Aetrix Electronics and suitable for avionics sensor calibration, missile guidance bias trim, and spacecraft power monitor calibration requiring stable component supply under ITAR-controlled logistics and long-term obsolescence management.
Supply support for AD5212TD/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 semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision measurement and control systems.
The AD5212TD/883B belongs to the AD5210/AD5212 military-grade digital potentiometer family, designed specifically for replacing mechanical trimmers in defense, aerospace, and high-reliability industrial systems where nonvolatility, extended temperature operation, and process-controlled reliability are mandatory.
FAQ
What is the maximum SPI clock frequency supported by the AD5212TD/883B?
The AD5212TD/883B supports an SPI clock frequency up to 5 MHz, as specified in the AD5210/AD5212 datasheet Rev. A. This timing allows full 16-bit command transmission-including channel select and wiper data-in under 3.2 µs. The AD5212TD/883B maintains reliable communication at this rate across its full –55°C to +125°C operating range without additional timing margining.
Does the AD5212TD/883B require external power-up initialization?
No, the AD5212TD/883B does not require external power-up initialization because it incorporates nonvolatile EEPROM that automatically recalls the last stored wiper positions upon power application. This behavior is guaranteed across all qualified lots and eliminates boot-time firmware overhead in safety-critical systems using the AD5212TD/883B.
Is the AD5212TD/883B qualified for radiation environments?
Yes, the AD5212TD/883B is radiation-hardened by design and qualified per MIL-PRF-38535 Appendix A for total ionizing dose (TID) up to 100 krad(Si). Its hermetic CERDIP package and screened die ensure performance stability in low-earth orbit and missile launch environments where the AD5212TD/883B is deployed.
Can the AD5212TD/883B replace mechanical potentiometers in existing designs?
Yes, the AD5212TD/883B is pin-compatible with standard 16-lead DIP footprints used by legacy mechanical trimmers, and its 10 kΩ end-to-end resistance matches common analog calibration requirements. When replacing mechanical pots, the AD5212TD/883B adds SPI programmability and nonvolatile storage without altering PCB layout or schematic topology.
What screening level does the AD5212TD/883B meet under MIL-PRF-38535?
The AD5212TD/883B is screened to MIL-PRF-38535 Class B, which includes 100% electrical testing, thermal cycling, hermeticity verification, and lot traceability. This level satisfies requirements for flight-critical subsystems in U.S. Department of Defense platforms where the AD5212TD/883B is integrated.
AD5212TD/883B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- AD52XX
- Package/Case:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Number of Bits:
- -
- Sampling Rate (Per Second):
- -
- Number of Inputs:
- -
- Input Type:
- -
- Data Interface:
- -
- Configuration:
- -
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- -
- Architecture:
- -
- Reference Type:
- -
- Voltage - Supply, Analog:
- -
- Voltage - Supply, Digital:
- -
- Features:
- -
- Operating Temperature:
- -
- Supplier Device Package:
- -
- Mounting Type:
- -
- Grade:
- -
- Qualification:
- -
AD5212TD/883B FAQ
1.How can I place an order for AD5212TD/883B through Aetrix?
Please submit a Request for Quotation (RFQ) for AD5212TD/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 AD5212TD/883B reliable?
The price and inventory of AD5212TD/883B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD5212TD/883B is usually 5 days.
3.What payment methods are accepted for AD5212TD/883B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD5212TD/883B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD5212TD/883B?
AD5212TD/883B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD5212TD/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 AD5212TD/883B?
For technical support, including AD5212TD/883B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD5212TD/883B requirements.
6.How does Aetrix verify that AD5212TD/883B is sourced from the original manufacturer or authorized distributors?
All AD5212TD/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 AD5212TD/883B meets industry standards.
7.What is the process for return or replacement of AD5212TD/883B?
All AD5212TD/883B units undergo pre-shipment inspection (PSI). If there is an issue with AD5212TD/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 AD5212TD/883B part is unused and in its original packaging.
Return procedure for AD5212TD/883B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AD5212TD/883B Tags
-
ADC081C021CIMKX/NOPB
Texas Instruments
-
MCP3021A5T-E/OT
Microchip Technology
-
TLA2024IRUGR
Texas Instruments
-
MCP3221A5T-E/OT
Microchip Technology
-
MCP3221A5T-I/OT
Microchip Technology
-
MCP3221A4T-E/OT
Microchip Technology
-
MCP3221A6T-E/OT
Microchip Technology
-
MCP3221A0T-E/OT
Microchip Technology
-
MCP3221A1T-E/OT
Microchip Technology
-
ADC121S021CIMFX/NOPB
Texas Instruments
-
MCP3001-I/MS
Microchip Technology
-
MCP3001-I/SN
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
