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Analog Devices Inc./Maxim Integrated MAX398CSE+T
- Part No.:
- MAX398CSE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX398CSE+T.pdf
- Description:
- IC MUX 8:1 100OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,375
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Product details
Overview
The MAX398CSE+T from Maxim Integrated is a precision 8-channel CMOS analog multiplexer designed for low-distortion signal routing in data-acquisition and test systems. It delivers <100Ω on-resistance (typ. 60Ω), <6Ω channel-to-channel RON matching, <5pC charge injection, rail-to-rail analog signal handling (±4.5V or 0–4.5V), and operates from +3V to +15V single or ±3V to ±8V dual supplies - enabling high-accuracy sampling in battery-powered instrumentation.
For engineers reviewing the MAX398CSE+T datasheet, MAX398CSE+T pinout, MAX398CSE+T application, or MAX398CSE+T equivalent, this page provides verified electrical specifications, package-confirmed pin functions, real-world use cases in sample-and-hold and automatic test equipment, and two validated alternative parts with documented functional and parametric differences.
Technical Context
The MAX398CSE+T implements an 8:1 bidirectional analog switch architecture with three address lines (A0–A2) and enable control (EN), supporting break-before-make switching (150ns typical) and TTL/CMOS-compatible digital inputs. Its silicon-gate CMOS process ensures low leakage (<2.5nA COM off-leakage at +85°C) and ESD robustness (>2000V).
It maintains flat on-resistance (<11Ω variation over full analog range) and low crosstalk (–75dB), making it suitable for precision DC-coupled signal paths where gain error, offset drift, and channel crosstalk must be minimized - especially in multi-channel sensor front-ends and programmable gain amplifier interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 60Ω typ. at VCOM = ±3V, +25°C - enables <0.1% gain error with 60kΩ load in precision amplification stages |
| RON Matching | <6Ω max between channels - ensures consistent channel gain and minimal mismatch-induced harmonic distortion |
| Charge Injection | <5pC max - limits voltage glitch on hold capacitors to <5mV with 1nF sampling cap, critical for 12-bit+ SAR ADC drivers |
| Analog Signal Range | ±4.5V (dual supply) or 0–4.5V (single supply) - supports rail-to-rail input/output without clipping in ±5V or +5V systems |
| Off-Leakage Current | <2.5nA COM off-leakage at +85°C - preserves >16-bit hold accuracy over temperature in sample-and-hold circuits |
| Supply Range | +3V to +15V single or ±3V to ±8V dual - allows direct integration into legacy ±5V, modern low-voltage, and mixed-supply industrial systems |
| Transition Time | <250ns max - supports multiplexing rates up to ~1MHz in time-division-multiplexed data acquisition |
Pinout & Package
MAX398CSE+T is supplied in a 16-pin narrow SOIC (SOIC-N) package (package code S16-1), with standard 0.150" width, gull-wing leads, and JEDEC MS-012 outline. Pin 1 is marked by a notch or dot; exposed pad is absent (QFN variant has EP, but CSE does not).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1, 15, 16 | A0, A1, A2 | Binary address inputs selecting one of eight NOx channels to connect to COM |
| 2 | EN | Active-high enable: disables all switches when low, prevents unintended channel conduction during power-up |
| 3 | V− | Negative supply rail (for dual-supply operation); tie to GND for single-supply mode |
| 4–7, 9–12 | NO1–NO4, NO5–NO8 | Eight bidirectional analog input/output terminals - each can source or sink signal current |
| 8 | COM | Common bidirectional analog port - connects to selected NOx channel when EN = high and address matches |
| 13 | V+ | Positive supply rail (supports +3V to +15V); substrate tied internally to V+ |
| 14 | GND | Digital and analog ground reference - must be low-impedance for stable logic thresholds and low noise |
Key Features
| Feature | Design Value |
|---|---|
| PIN-COMPATIBLE WITH DG408/DG508A | Direct drop-in replacement for industry-standard 8-channel muxes - no PCB redesign required for upgrade paths |
| GUARANTEED RON FLATNESS | <11Ω variation across full analog signal range - eliminates gain nonlinearity in precision measurement front-ends |
| LOW POWER CONSUMPTION | <300µW typical at +5V - extends battery life in portable test gear and handheld instrumentation |
| Rail-to-Rail Signal Handling | Supports signals from V− to V+ - enables full utilization of ADC input range without level-shifting circuitry |
| TTL/CMOS-Logic Compatible Inputs | Accepts 0.8V/2.4V logic thresholds - interoperates directly with microcontrollers, FPGAs, and logic families without buffers |
Applications
| Sample-and-Hold Circuits | Automatic Test Equipment (ATE) |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs into a single high-precision ADC using a switched-capacitor hold stage. IC Role / Device Role / Timing Role: Analog switch controlling connection between sensor and sampling capacitor; timing-critical during acquisition phase. Use Value: Low charge injection (<5pC) minimizes hold-step error; flat RON ensures consistent RC time constants across channels. |
Use Scenario: Routing stimulus signals and responses between DUT pins and measurement instruments in modular ATE racks. IC Role / Device Role / Timing Role: High-fidelity signal path selector enabling parallel test execution across multiple DUTs. Use Value: <2.5nA off-leakage at +85°C preserves test accuracy over thermal soak cycles; pin compatibility simplifies legacy system upgrades. |
| Military Radios | Audio Signal Routing |
Use Scenario: Selecting between RF front-end calibration paths and antenna feeds in software-defined radio transceivers. IC Role / Device Role / Timing Role: Low-distortion analog switch in receive chain; must maintain signal integrity under wide temperature (-55°C to +125°C variants available). Use Value: Guaranteed ESD >2000V protects against field-handling damage; rail-to-rail operation supports direct coupling to mixer outputs. |
Use Scenario: Channel selection in professional audio mixers and effects processors requiring silent switching and low THD. IC Role / Device Role / Timing Role: Bidirectional analog path for line-level signals; break-before-make prevents pop/click during reconfiguration. Use Value: <–75dB crosstalk isolates adjacent audio channels; <100Ω RON avoids loading effects on op-amp outputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG408BRZ | 8-channel CMOS mux; RON = 45Ω typ., charge injection = 20pC, no guaranteed RON matching spec | Higher charge injection increases hold-error risk in precision sampling; lacks RON matching guarantee for gain-critical arrays | Select ADG408BRZ only if lower RON outweighs need for matched channels and low glitch performance. |
| TMUX6208RTER | 8-channel precision mux; RON = 5.5Ω typ., charge injection = 0.6pC, but requires ≥4.5V supply minimum | Superior specs for high-speed, high-resolution systems; incompatible with +3V-only or ±3V designs | Choose TMUX6208RTER when operating at ≥4.5V and sub-pC charge injection is mandatory for >16-bit accuracy. |
Compared with ADG408BRZ and TMUX6208RTER, the MAX398CSE+T uniquely balances ultra-low leakage, guaranteed RON matching, and wide supply flexibility (+3V to +15V), making it optimal for cost-sensitive, thermally demanding, or mixed-supply instrumentation where parametric consistency matters more than absolute lowest RON.
Availability
MAX398CSE+T is available at Aetrix Electronics and suitable for sample-and-hold circuits, automatic test equipment, and military radio subsystems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX398CSE+T 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
Maxim Integrated (now part of Analog Devices) is a semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and computing applications.
The MAX398 belongs to Maxim's precision analog switch product line, engineered for low-leakage, low-distortion signal routing in measurement, test, and control systems where DC accuracy and thermal stability are critical.
FAQ
What is the maximum analog signal range supported by the MAX398CSE+T?
The MAX398CSE+T supports an analog signal range of ±4.5V when operated from ±5V dual supplies, or 0V to +4.5V with a +5V single supply. This rail-to-rail capability allows full utilization of ADC input ranges without external level-shifting circuitry, and is confirmed in the Electrical Characteristics tables for both dual- and single-supply conditions.
Does the MAX398CSE+T require external pull-up resistors on its address or enable pins?
No, the MAX398CSE+T features CMOS-compatible digital inputs with guaranteed logic thresholds (0.8V low, 2.4V high) and negligible input current (<0.1µA). External pull-ups are unnecessary unless system-level noise immunity or default-state assurance is required - the device operates correctly with direct FPGA or MCU GPIO connections.
Is the MAX398CSE+T pin-compatible with the DG408, and what does that mean for PCB design?
Yes, the MAX398CSE+T is explicitly pin-compatible with the DG408, DG409, DG508A, and DG509A per its datasheet. This means identical pin count, function mapping, and SOIC footprint - allowing direct replacement on existing PCBs without layout changes, provided supply and signal integrity requirements are met.
What is the typical on-resistance flatness specification for the MAX398CSE+T, and why does it matter?
The MAX398CSE+T guarantees on-resistance flatness of ≤11Ω over its full analog signal range. This tight flatness ensures minimal gain nonlinearity when used in programmable-gain amplifier or precision attenuator configurations, directly improving measurement accuracy in multi-channel data acquisition systems.
Can the MAX398CSE+T operate from a +3V single supply, and what are the trade-offs?
Yes, the MAX398CSE+T operates from +3V to +15V single supply. At +3V, on-resistance rises to 425Ω (typ.), transition time increases to 575ns, and analog range reduces to 0–1.5V. These trade-offs are fully characterized in the Electrical Characteristics tables and must be accounted for in low-voltage, low-power designs.
MAX398CSE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 6Ohm (Max)
- Voltage - Supply, Single (V+):
- 3V ~ 15V
- Voltage - Supply, Dual (V±):
- ±3V ~ 8V
- Switch Time (Ton, Toff) (Max):
- 150ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 11pF, 40pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX398CSE+T FAQ
1.How can I place an order for MAX398CSE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX398CSE+T 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 MAX398CSE+T reliable?
The price and inventory of MAX398CSE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX398CSE+T is usually 5 days.
3.What payment methods are accepted for MAX398CSE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX398CSE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX398CSE+T?
MAX398CSE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX398CSE+T 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 MAX398CSE+T?
For technical support, including MAX398CSE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX398CSE+T requirements.
6.How does Aetrix verify that MAX398CSE+T is sourced from the original manufacturer or authorized distributors?
All MAX398CSE+T 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 MAX398CSE+T meets industry standards.
7.What is the process for return or replacement of MAX398CSE+T?
All MAX398CSE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX398CSE+T, 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 MAX398CSE+T part is unused and in its original packaging.
Return procedure for MAX398CSE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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