ADI Is Raising Analog Prices 30% on Military Chips in September — What Avionics, Defense, and Aerospace Buyers Need to Do Before Q4

By Procurement Priya · icboms supply-chain desk · data through August 22, 2026

The Q3 earnings season for high-performance analog ended with a quieter but sharper letter from Analog Devices: a third round of 2026 price increases will land on September 1, and the steepest hikes are reserved for military- and aerospace-grade product lines (TrendForce, Aug 13 2026). On a record fiscal-Q3 print — Analog Devices reported revenue of $2.88 billion for the quarter ended August 2, beating consensus, with industrial and aerospace/defense as the two largest end markets (PR Newswire, Aug 19 2026) — ADI chose to push prices up again on the parts the defense industrial base cannot switch off. This report covers what the September letter looks like, which ADI families are first in line, where we still see factory-channel availability on the icboms shelf, and how a procurement desk for an avionics, radar, EW, or flight-control program should structure orders through Q4 2026.

What the ADI September letter actually says

The third ADI price letter of 2026 will take effect on September 1 and applies across the standard catalog of high-performance analog — precision converters, op-amps, isolators, sensor signal-chain, RF, and timing (TrendForce, Aug 13 2026). The headline number reported by TrendForce is up to 30% on military-grade parts, with the standard catalog seeing a lower but still meaningful increase. ADI did not publish the letter publicly; the channel-side read is consistent with the August 13 TrendForce briefing and with the Aug 19 earnings call commentary on aerospace/defense end-market strength (Analog Devices Q3 FY2026 earnings call transcript, Aug 20 2026).

The price-hike cadence matters. ADI raised prices in February 2026 with a 10–30% range across the high-performance analog catalog (TrendForce, Dec 19 2025), then again mid-year, and now the September move brings the count to three letters in eight months. This is not a one-off inflation adjustment — it is the new floor. The same pattern is visible across the high-performance analog peer group: TI has issued three letters in six months, the third in May 2026 included up-to-85% increases on certain legacy and high-reliability lines (finance.biggo.com, May 8 2026), and the trend of passives, discretes, and analog moving together has been documented across the second quarter (Electronics Weekly, May 12 2026).

What is unusual about the ADI September letter is the carve-out for military-grade parts. A 30% increase on parts already running weeks of allocation — ADI's LTM2889 isolated RS485/RS422 transceiver family and the ADuM12xN digital isolator family have both been on extended lead times for most of 2026 — is the kind of move that pushes defense and aerospace buyers into the spot market for the first time. We expect the cost pass-through to hit avionics line-replaceable units (LRUs) and Mil/Aero ground systems first, then ripple into industrial-grade designs that share the same silicon.

The macroeconomic backdrop on ADI's side supports a defensive letter. The fiscal-Q3 2026 print posted record revenue of $2.88 billion, up from $2.64 billion in the prior-year quarter, with industrial 41%, automotive 18%, aerospace/defense 14%, and consumer 14% as the disclosed end-market mix (Analog Devices Q3 FY2026 earnings press release, Aug 19 2026). Aerospace and defense, while smaller than industrial, is the most pricing-resilient segment of the ADI book — exactly the segment a CFO protects when capacity is tight.

Which ADI families are first in line for the 30% hit

The TrendForce briefing groups the affected parts by family rather than by specific part number. Based on the channel-side read and the parts we see moving most actively on the icboms desk, the September letter will land hardest on four families. None of these are new allocations; all of them were already tight before the letter was announced.

High-speed digital isolators, especially ADuM12xN / ADuM14x / ADuM32x families. These are the workhorse isolators across digital control loops, gate-drive interfaces, and industrial serial-bus isolation. The two-channel ADUM121N0WBRZ (ADuM121N replacement) is the part we see quoted most often by avionics and industrial buyers. AEC-Q100-qualified and reinforced-insulation variants on this family are running at the longest lead times we track. Our shelves stock ADUM121N0WBRZ today; AEC-Q100 variants are intermittent. The September letter on this family is the most likely to lift unit ASPs into the upper end of the 30% range.

Isolated transceivers and bus interfaces — LTM288x and MAX22446. LTM2889 is ADI's isolated RS485/RS422 transceiver with integrated DC-DC isolation; MAX22446 is the higher-density isolated RS485 with integrated transformer driver. Both families sit inside flight-control, ground-station, and serial-backplane designs where the isolator + bus IC combination is on the BOM. LTM2889 has been on allocation through 1H 2026, and the September letter does not unwind that — it adds a price layer on top of already extended lead times.

Precision op-amps and zero-drift amplifiers — MAX4208, ADA4522, ADA4084 families. Precision signal-chain for strain-gauge bridges, thermocouples, RTDs, and inertial sensors runs through these amplifiers. MAX4208AUA+T is on our shelf as a representative zero-drift precision amp. Defense and aerospace platforms do not switch this family quickly because of the calibration and gain-temperature-coefficient specs that are baked into the system-level test. The September letter is unlikely to drive an immediate spec-out, but it will reset the BOM cost for new designs.

Voltage supervisors, references, and housekeeping — ADM181x, ADRxxx reference families. ADM1816-R22ART-RL is the voltage supervisor we stock most often for low-voltage reset circuits. These are not the marquee high-performance parts, but they show up on every microprocessor BOM and the September round is the right time for the analog vendor to lift ASPs on the catalog tail. 国防 and aerospace reference designs in particular rely on the extended-temperature variants of these families, and the channel-side read is that the September letter targets those grades specifically.

The trend we are seeing across all four families is identical: the price letter is a margin move on the parts that were already tight, layered on top of an existing allocation. Buyers who waited out the February and mid-year letters are now facing the third letter in eight months. This is the quarter to commit to a multi-quarter pre-book or to qualify an alternate source — not to negotiate harder on a single PO.

What is actually tight vs what is still flowing

Our sourcing desk is still receiving factory-channel allocation on a subset of ADI parts, but the picture is not uniform. The tight list is concentrated in three buckets:

Reinforced-insulation digital isolators, AEC-Q100 grade and above. The ADuM12xN/14x families with reinforced isolation rating (5 kV rms and up) and the automotive/AEC-Q100 grade are quoted at 30+ weeks through authorized channels. Standard isolation variants are still flowing but at reduced allocation.
Isolated RS485/RS422 with integrated isolated DC-DC — LTM2889 family. 30–40 weeks is the range we see; some variants on the LTM2889 have been on stop-ship status for the bulk of 2026. MAX22446 is on a shorter allocation but still tight.
Aerospace and defense reference designs that pin a specific date code or lot. These are the BOMs that the September letter is most directly aimed at — long-life-cycle aerospace/defense platforms that pin a specific ADI part number and cannot switch without a qualification cycle.

The non-tight list, where channel stock is still moving, is concentrated in standard-grade precision converters, standard op-amps without the zero-drift or low-noise spec, and the MAX224xx isolated RS485 variants without the integrated DC-DC. These are still flowing, but they will be repriced when the September letter lands.

What is also worth flagging: the domestic substitution window. SG Micro, Shanghai Belling, 3Peak, and Hi-SiLi have been gaining share in the standard-grade precision amplifier and isolated transceiver segments for two years. None of them is a drop-in for ADI's aerospace-grade signal chain on a live defense program. But for industrial-grade designs that were paying the ADI tax without using the aerospace-grade spec, the September letter is the cleanest reason to begin a qualification on a domestic alternate. We can help with cross-reference and 现货 samples for industrial-grade SG Micro and 3Peak parts; the ICBOMS sourcing desk runs those qualifications on a case-by-case basis.

What we carry on the ADI shelf — real catalog rows

The parts below are confirmed ADI SKUs on our catalog with active stock or confirmed channel flow. These are not marketed as qualified substitutes for any specific ADI aerospace reference design; they are the parts we hold for cross-reference, sample orders, and industrial-grade BOM support. For programs where a specific ADI aerospace-grade lot or date code is mandated, contact the ADI authorized channel directly.

ADUM121N0WBRZ — ADI two-channel digital isolator, default-low output, SOIC-8 wide-body package, 5 kV rms reinforced isolation, 25 Mbps. In stock on our shelf. 现货 available for industrial-grade designs. 询价可提样品, MOQ 10 units. Lead time on standard grade is short; AEC-Q100 grade is on allocation.
LTM2889HY-3#PBF — ADI isolated RS485/RS422 transceiver with integrated isolated DC-DC converter, 5 kV rms isolation, BGA package. On allocation through 1H 2026, expected to remain tight through Q4. We can check 现货 availability case-by-case; 询价可提具体数量, MOQ 50 units.
MAX22446CAWE+ — ADI isolated RS485/RS422 transceiver, 25 Mbps, integrated transformer driver, wide SOIC package. Standard grade on shelf; aerospace-grade variants on allocation. MOQ 10 units, 询价可提批量.
ADM1816-R22ART-RL — ADI microprocessor voltage supervisor, 2.88 V threshold, SOT-23 package. Standard grade on shelf; extended-temperature variants on allocation. MOQ 100 units, 样品可索, 现货 in stock.
ADP1073AN — ADI synchronous flyback/forward controller, current-mode, with frequency synchronization, industrial-grade. Standard grade on shelf. MOQ 10 units, 询价可提样品, 交期 short.
MAX9720AEUE — ADI audio power amplifier, Class-AB, 60 mW into 32 ohm, TSSOP package. Standard grade on shelf. MOQ 100 units, 样品可索.
MAX4208AUA+T — ADI zero-drift precision op-amp, low offset, low noise, low power, µMAX package. Standard grade on shelf. MOQ 100 units, 样品可索, 交期 short.
DS1270AB-70# — ADI non-volatile SRAM, 16 Mbit, 70 ns access, EDIP package. Standard grade on shelf. MOQ 10 units, 询价确认 availability.

For each of these parts, the icboms sourcing desk can provide current 现货 stock, 询价 for channel flow, and a cross-reference to a domestic alternate when the program requirements allow. For avionics and defense programs where the ADI aerospace-grade specification is mandated, the best move in September is to pre-book through the authorized channel for Q4 2026 and Q1 2027 deliveries rather than chase the spot market.

How to buy in this market — the procurement playbook for Q4 2026

The September letter is the third in eight months. The next move is not negotiation, it is program-level action. The following playbook assumes you are a procurement desk supporting an avionics, defense, aerospace, or industrial-grade program that has ADI analog parts on the BOM and is exposed to the September letter.

Audit the BOM for ADI parts on the military/aerospace-grade spec. Pull the full BOM and tag every ADI part with its grade — automotive (AEC-Q100), industrial, extended-temperature, military/aerospace. The September letter hits the highest grades hardest. Without the grade split you cannot size the budget impact.
Pre-book Q4 2026 and Q1 2027 deliveries through authorized channels now. ADI authorized distributors — Avnet, Arrow, Digi-Key, Mouser — are taking LTA bookings on the families that are tight. Get a multi-quarter LTA in place before September 1; the channel price after the letter lands will be the new spot baseline. We can assist on 现货 quotes for industrial-grade parts and 交期 confirmation for allocated parts.
Open the qualification conversation on a domestic alternate for industrial-grade designs. SG Micro (SGM), Shanghai Belling, 3Peak, and Hi-SiLi have analog parts in the precision amplifier, isolated transceiver, and LDO segments. 询价 can be run through the icboms desk; 样品 is available on representative part numbers. Defense programs cannot switch, but industrial programs should at least open the conversation before the September letter drives the BOM cost above the qualification-cycle threshold.
Lot and date code verification on every ADI delivery in Q4. Aerospace and defense procurement teams should require a CoC and lot-traceable date code on every ADI delivery starting in Q4. The price-hike cycle historically correlates with a rise in remark-and-rebadge activity — particularly on allocated parts. We run lot verification on every ADI shipment that we 现货, with an external visual and decapsulation sample where the lot warrants.
Avoid the below-market spot offer trap. A 30% price letter creates the conditions for a one-time surge in off-channel offers on allocated ADI parts. Treat any spot offer more than 5% below the new authorized-channel baseline as suspect. Verify the CoC, the date code, and the chain of custody before wiring. If a quote is well below the new baseline, it is almost certainly refurbished, remarked, or from a stopped production lot.
Push the LTA risk to the supplier, not the buyer. Where the authorized channel offers a fixed-price LTA on the tight ADI parts, take it. The risk to the buyer is the BOM cost overrun from a third letter — pass that risk back to the channel with the fixed-price LTA, not by chasing the spot market. Where the channel will not offer a fixed-price LTA, document the quote expiry and walk away from below-market spot offers.

The September letter does not unwind the tight allocation on aerospace-grade ADI parts. It layers price on top. The procurement decision in Q4 is to lock the Q4 and Q1 deliveries now, audit the grade-level exposure, and decide which industrial-grade lines are candidates for a domestic alternate.

Data notes

Data cutoff: August 22, 2026. Sources: TrendForce (Aug 13 2026), Analog Devices Q3 FY2026 earnings press release (PR Newswire, Aug 19 2026), Analog Devices Q3 FY2026 earnings call transcript (Aug 20 2026), TrendForce (Dec 19 2025), finance.biggo.com (May 8 2026), Electronics Weekly (May 12 2026). All figures are channel-side reads and trade-press reports; they are directional planning data, not quotes. Verify lead times and date codes with your authorized ADI channel before committing to a Q4 or Q1 booking. The catalog parts cited are confirmed SKUs on the icboms shelf at the time of writing; 现货 status can shift within a quarter. The September letter has not been publicly published by ADI; the price-hike forecast is based on the TrendForce briefing and the ADI Q3 FY2026 earnings commentary.

Closing

For avionics, defense, aerospace, and industrial-grade procurement teams with ADI analog on the BOM, the September letter is the moment to lock Q4 and Q1 deliveries, audit the grade-level exposure, and open the qualification conversation on alternates for the industrial-grade lines that were paying the ADI tax without using the aerospace spec. We work with avionics, defense, and industrial-grade buyers across the Shenzhen, Hong Kong, and broader China procurement desk — let us know what your BOM looks like and we will respond with 现货 quotes, authorized-channel 交期 estimates, and cross-reference options for industrial-grade lines within one business day.

Brand: Analog Devices (ADI), Maxim Integrated (now part of ADI). Services: independent distributor sourcing, cross-reference, lot verification, authorized-channel LTA support, domestic-alternate qualification for industrial-grade lines. Applicable Buyers: avionics, defense, aerospace, industrial-grade OEMs and EMS/ODM factories. Languages: 中文 / English / Русский / Español / العربية.