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Analog Devices Inc. ADG526ATCHIPS
- Part No.:
- ADG526ATCHIPS
- Manufacturer:
- Analog Devices Inc.
- Package:
- Die
- Datasheet:
-
ADG526ATCHIPS.pdf
- Description:
- IC MUX 16:1 450OHM DIE
- Quantity:
- Payment:
- Shipping:
Inventory:3,111
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Product details
Overview
ADG526ATCHIPS from Analog Devices is a CMOS latched 16-channel single-ended analog multiplexer die, designed for high-voltage signal routing in data acquisition and test systems. It supports ±16.5 V dual supplies or 10.8–16.5 V single supply, features 280 Ω typical on-resistance, 20 pA typical off-leakage, break-before-make switching, and microprocessor-compatible 100 ns WR pulse timing.
For engineers reviewing the ADG526ATCHIPS datasheet, ADG526ATCHIPS pinout, ADG526ATCHIPS application, or ADG526ATCHIPS equivalent, this page delivers verified specifications, functional context, package-agnostic die-level interface details, and real-world selection guidance for precision analog switching in industrial and automated test environments.
Technical Context
The ADG526ATCHIPS implements a 4-bit binary decoder with integrated latches and enable control, allowing stable channel selection under microprocessor bus timing constraints. Its enhanced LC2MOS process enables full VSS-to-VDD analog signal swing (e.g., −16.5 V to +16.5 V) and guarantees break-before-make operation to prevent input shorting during address transitions.
Digital inputs (A0–A3, EN, WR, RS) are TTL and 5 V CMOS compatible, with level-sensitive latching on WR rising edge and asynchronous reset via RS. The die supports both single-supply (VSS = GND) and dual-supply (VSS negative) configurations without reconfiguration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | VSS to VDD - supports rail-to-rail analog signals across full supply range (e.g., −16.5 V to +16.5 V) |
| RON (typ) | 280 Ω at ±10 V - ensures minimal signal attenuation and gain error in precision measurement paths |
| Off Leakage (typ) | 20 pA - enables high-impedance sensor interfacing and low-error sampling in µV-level systems |
| tTRANSITION (typ) | 200 ns - allows ≥5 MHz channel switching in time-critical data acquisition sequences |
| Supply Range | 10.8 V to 16.5 V (single or dual) - accommodates standard ±15 V and +12 V industrial rails |
| Charge Injection | 4 pC - minimizes voltage glitch on sampled-hold capacitors, critical for ADC front-end accuracy |
| Off Isolation | 68 dB at 100 kHz - provides strong crosstalk suppression between unselected channels |
Pinout & Package
ADG526ATCHIPS is supplied as a bare die (no packaged leads or body). Interface is via bond pads matching the 28-pin PDIP/SOIC/CERDIP/PLCC footprint. Pin functions are identical across all package variants per datasheet Figure 3 and Table 4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Most positive supply | Accepts up to +16.5 V; powers internal logic and switch driver stages |
| VSS | Most negative supply | Accepts down to −16.5 V; defines lower analog rail and bias reference |
| D | Common drain/output | Single-ended output node; connects to one selected Sx input per address state |
| S1–S16 | Source inputs | 16 bidirectional analog terminals; only one connected to D at any time |
| A0–A3 | Address inputs | 4-bit binary code selects S1–S16; latched on WR rising edge |
| EN | Enable control | Active-high; disables all switches when low, independent of address |
| WR | Write strobe | Latches A0–A3 and EN states on rising edge; minimum 100 ns pulse width required |
| RS | Reset | Asynchronous clear; forces all switches open and resets latches to known state |
| GND | Digital ground reference | Logic return path; separate from analog ground in mixed-signal layouts |
Key Features
| Feature | Design Value |
|---|---|
| Break-before-make switching | Guaranteed timing prevents momentary shorting between source channels during transitions |
| VSS-to-VDD signal range | Enables direct interface with bipolar sensors, op-amp outputs, and ±10 V industrial I/O standards |
| Microprocessor-compatible timing | 100 ns WR pulse width and 10 ns address hold time align with legacy 80Cxx and modern FPGA control buses |
| Low RON drift | 0.6 %/°C ensures stable gain and linearity over −40°C to +85°C operating range |
| High off-isolation | 68 dB at 100 kHz suppresses crosstalk in multi-channel simultaneous-sampling systems |
Applications
| Data Acquisition Systems | Automatic Test Equipment (ATE) |
|---|---|
Use Scenario: Multiplexing 16 sensor outputs (e.g., thermocouples, strain gauges) into a single high-resolution ADC. IC Role / Device Role / Timing Role: Precision analog switch providing low-leakage, low-RON, rail-to-rail signal routing with deterministic break-before-make timing. Use Value: Enables <16-bit effective resolution by minimizing charge injection (4 pC) and leakage-induced offset drift (20 pA). |
Use Scenario: Routing stimulus and response signals between DUT pins and test instrumentation in semiconductor burn-in and functional testers. IC Role / Device Role / Timing Role: High-voltage analog switch supporting ±15 V test signal levels and fast channel reconfiguration (<300 ns max tTRANSITION). Use Value: Reduces test cycle time through sub-microsecond switching while maintaining isolation >50 dB between untested channels. |
| Communication System Monitoring | Industrial PLC Analog I/O Modules |
Use Scenario: Sampling multiple RF front-end bias voltages or power amplifier monitor points in base station transceivers. IC Role / Device Role / Timing Role: High-isolation analog multiplexer handling DC to 100 kHz monitoring signals with minimal crosstalk. Use Value: Delivers 68 dB off-isolation at 100 kHz to prevent interference between adjacent RF subsystems during diagnostics. |
Use Scenario: Consolidating 16 field sensor inputs (4–20 mA, ±10 V) into a centralized controller's analog input stage. IC Role / Device Role / Timing Role: Industrial-grade analog switch rated for 44 V absolute max supply and −40°C to +85°C operation. Use Value: Supports direct connection to industrial sensors without external level-shifting, reducing BOM count and layout complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG526AKR | Same die, assembled in 28-lead SOIC (RW-28); includes molded plastic body and standardized leadframe | Requires PCB footprint and soldering process for surface-mount assembly; no die bonding needed | Select ADG526AKR for turnkey prototyping or low-volume production where die handling and wire bonding are impractical. |
| MAX396ESE+ | 16-channel CMOS MUX with 35 Ω RON, but limited to +15 V single supply only; no dual-supply or negative rail support | Not suitable for bipolar signal routing or systems requiring VSS < 0 V; lacks break-before-make guarantee | Choose MAX396ESE+ only for cost-sensitive, single-supply +5 V/+12 V applications where low RON outweighs voltage range limitations. |
Compared with ADG526AKR, ADG526ATCHIPS eliminates packaging parasitics and thermal resistance for higher reliability in hermetic modules, while MAX396ESE+ trades voltage range and safety margins for lower on-resistance in unipolar systems.
Availability
ADG526ATCHIPS is available at Aetrix Electronics and suitable for data acquisition systems, automatic test equipment, and industrial PLC analog I/O modules requiring stable component supply across extended temperature and voltage ranges.
Supply support for ADG526ATCHIPS 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 industrial, communications, automotive, and healthcare markets since 1965.
The ADG526A product line delivers high-voltage, latch-based analog multiplexers optimized for precision signal routing in harsh environments-designed specifically for applications demanding wide supply tolerance, low leakage, and guaranteed switching behavior.
FAQ
What is the maximum allowable supply voltage for ADG526ATCHIPS?
The ADG526ATCHIPS supports a maximum VDD-to-VSS differential of 44 V. Absolute maximum ratings specify VDD to GND ≤ +25 V and VSS to GND ≥ −25 V. Operation within the recommended 10.8 V to 16.5 V single- or dual-supply range ensures full specification compliance and long-term reliability. Exceeding these limits risks permanent damage.
Does ADG526ATCHIPS require external pull-up or pull-down resistors on its digital control lines?
No. ADG526ATCHIPS digital inputs (A0–A3, EN, WR, RS) have defined TTL/CMOS-compatible thresholds (VINH ≥ 2.4 V, VINL ≤ 0.8 V) and low input current (≤1 μA), eliminating need for external biasing. Direct connection to FPGA GPIO or microcontroller outputs meeting these voltage levels is sufficient.
How does the break-before-make behavior of ADG526ATCHIPS protect downstream circuitry?
ADG526ATCHIPS guarantees break-before-make switching: the previously selected channel disconnects before the newly addressed channel connects. This prevents momentary shorting between source inputs (e.g., S3 and S7), avoiding signal corruption, current surges, or damage to sensitive sensors or instrumentation amplifiers sharing common analog backplanes.
Can ADG526ATCHIPS operate with a single +12 V supply?
Yes. ADG526ATCHIPS is fully specified for single-supply operation from 10.8 V to 16.5 V with VSS = GND. At +12 V, it delivers 500 Ω typical RON, 20 pA leakage, and 300 ns typical tTRANSITION, making it suitable for 12 V industrial control and portable instrumentation where dual supplies are unavailable.
What is the purpose of the RS (reset) pin on ADG526ATCHIPS?
The RS pin asynchronously clears the internal address and enable latches, forcing all 16 switches to the OFF state regardless of A0–A3 or EN state. Tying RS to a system reset line ensures a known, safe analog path state at power-up or fault recovery-critical for preventing undefined signal routing in safety-critical or automated test systems using ADG526ATCHIPS.
ADG526ATCHIPS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 16:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 450Ohm
- Channel-to-Channel Matching (ΔRon):
- 22.5Ohm
- Voltage - Supply, Single (V+):
- 10.8V ~ 16.5V
- Voltage - Supply, Dual (V±):
- ±10.8V ~ 16.5V
- Switch Time (Ton, Toff) (Max):
- 300ns, 300ns
- -3db Bandwidth:
- -
- Charge Injection:
- 4pC
- Channel Capacitance (CS(off), CD(off)):
- 5pF, 44pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Die
ADG526ATCHIPS FAQ
1.How can I place an order for ADG526ATCHIPS through Aetrix?
Please submit a Request for Quotation (RFQ) for ADG526ATCHIPS 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 ADG526ATCHIPS reliable?
The price and inventory of ADG526ATCHIPS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADG526ATCHIPS is usually 5 days.
3.What payment methods are accepted for ADG526ATCHIPS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADG526ATCHIPS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADG526ATCHIPS?
ADG526ATCHIPS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADG526ATCHIPS 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 ADG526ATCHIPS?
For technical support, including ADG526ATCHIPS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADG526ATCHIPS requirements.
6.How does Aetrix verify that ADG526ATCHIPS is sourced from the original manufacturer or authorized distributors?
All ADG526ATCHIPS 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 ADG526ATCHIPS meets industry standards.
7.What is the process for return or replacement of ADG526ATCHIPS?
All ADG526ATCHIPS units undergo pre-shipment inspection (PSI). If there is an issue with ADG526ATCHIPS, 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 ADG526ATCHIPS part is unused and in its original packaging.
Return procedure for ADG526ATCHIPS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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