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Analog Devices Inc./Maxim Integrated MAX4591ESE
- Part No.:
- MAX4591ESE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4591ESE.pdf
- Description:
- IC SWITCH SPST-NCX4 20OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,379
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Product details
Overview
MAX4591ESE from Maxim Integrated is a high-speed, quad SPST analog switch with four normally closed (NC) channels, designed for +12V or +15V single-supply operation. It delivers 20Ω max on-resistance, ≤80ns turn-on time, 100pA max leakage, 5pC max charge injection, and 1.75Ω max RON flatness - enabling precision signal routing in test equipment and military radio front-ends.
For engineers reviewing the MAX4591ESE datasheet, MAX4591ESE pinout, MAX4591ESE application, or MAX4591ESE equivalent, key selection criteria include guaranteed channel-to-channel RON matching (≤1Ω), ESD robustness (>2000V), low-temperature leakage performance (5nA max at +85°C), and pin compatibility with DG611/DG211 families.
Technical Context
The MAX4591ESE implements CMOS transmission-gate architecture with logic-controlled NC switching: INx = 0V closes the switch (COM–NC path conductive), while INx ≥5V opens it. Its internal charge-pump-free design ensures stable RON across the full analog signal range (0V to V+), with flatness specified to 1.75Ω over 0–10V at +12V supply.
It supports rail-to-rail analog signaling without dual supplies, features break-before-make timing only in the MAX4593 variant (not applicable here), and uses substrate-connected V+ to minimize latch-up risk. All four switches operate independently with matched dynamic parameters: tON/tOFF tracking within ±5ns across channels at +25°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 20Ω max at +12V, -10mA COM current - ensures minimal signal attenuation in 50Ω/75Ω systems |
| On-Resistance Match | 1Ω max between channels - critical for multi-channel gain/phase matching in instrumentation |
| Turn-On Time (tON) | 80ns max - supports >10MHz analog multiplexing without edge distortion |
| Charge Injection | 5pC max - limits voltage glitch to <1mV on 1nF hold capacitors in sample-and-hold circuits |
| Off-Leakage Current | 0.1nA max at +85°C - preserves accuracy in high-impedance sensor interfaces |
| ESD Rating | >2000V per Method 3015.7 - enables direct handling in non-EPA production environments |
| Analog Signal Range | 0V to V+ (up to +15V) - allows full-rail signal switching without level-shifting circuitry |
Pinout & Package
MAX4591ESE is housed in a 16-pin narrow SO package (width: 3.9mm), RoHS-compliant, with standard 1.27mm pitch and gull-wing leads. Thermal resistance θJA = 115°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (Pins 1, 8, 9, 16) | Logic control inputs | CMOS-compatible; drive ≤0.8V for NC closure, ≥5V for NC open - no external pull-ups required |
| COM1–COM4 (Pins 2, 7, 10, 15) | Analog common terminals | Low-impedance bidirectional I/O nodes; support ±100mA pulsed current per channel |
| NC1–NC4 (Pins 3, 6, 11, 14) | Normally closed analog outputs | Conductive when INx = 0V; isolated when INx = 5V - provides fail-safe closed-path default |
| V+ (Pin 13) | Positive supply | Connects to substrate; must be powered before logic inputs to prevent latch-up |
| GND (Pin 5) | Ground reference | Return path for logic and analog signals; separate ground plane recommended for mixed-signal layouts |
| V− (Pin 4) | Negative supply | Internally tied to GND; not used in single-supply mode - leave connected to GND |
| N.C. (Pin 12) | No connection | Unbonded die pad - must remain floating; no PCB trace or thermal pad |
Key Features
| Feature | Design Value |
|---|---|
| Guaranteed RON flatness | 1.75Ω max over 0–10V input range - maintains consistent gain in variable-gain amplifier paths |
| Low temperature drift | 5nA max COM off-leakage at +85°C - avoids DC error accumulation in long-integration systems |
| High off-isolation | 72dB at 10MHz - suppresses crosstalk between adjacent RF signal chains |
| Pin compatibility | Direct replacement for DG611/DG211 families - enables drop-in upgrade without layout change |
| Rail-to-rail analog range | 0V to V+ (12V or 15V) - eliminates need for external biasing in video/audio line-switching |
Applications
| Test Equipment | Sample-and-Hold Circuits |
|---|---|
|
Use Scenario: Automated test system multiplexing of DUT signals to shared ADC/DAC resources. IC Role / Device Role / Timing Role: Quad NC switch routes analog stimulus/response paths under microcontroller GPIO control. Use Value: 20Ω RON and 1Ω channel match preserve measurement accuracy across 4:1 signal banks. |
Use Scenario: Precision acquisition stage in data loggers capturing slow-varying sensor outputs. IC Role / Device Role / Timing Role: NC switch connects hold capacitor to signal source during sampling phase. Use Value: 5pC charge injection limits aperture error to <1mV on 1nF capacitors at 100ksps. |
| Disk Drives | Military Radios |
|
Use Scenario: Head selection and servo loop signal routing in HDD actuator control ASICs. IC Role / Device Role / Timing Role: Fail-safe NC configuration ensures head disconnect on power loss or fault. Use Value: 100pA leakage at room temp prevents capacitor discharge drift during seek latency windows. |
Use Scenario: Antenna diversity switching and IF signal path selection in SDR transceivers. IC Role / Device Role / Timing Role: High-isolation NC switch isolates receive paths during transmit bursts. Use Value: 72dB off-isolation at 10MHz suppresses TX leakage into sensitive LNA inputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4591CSE | Same electrical specs, but rated for 0°C to +70°C (vs. -40°C to +85°C for MAX4591ESE) | Not suitable for extended-temperature industrial/military deployments | Select MAX4591CSE only for commercial-grade consumer or office equipment. |
| DG611DN | Higher RON (45Ω typ), slower tON/tOFF (120ns/80ns), no guaranteed RON match or flatness spec | Lacks precision matching needed for multi-channel instrumentation | Use DG611DN where cost is primary concern and channel uniformity is non-critical. |
Compared with MAX4591CSE, the MAX4591ESE adds extended temperature qualification and tighter leakage specs; versus DG611DN, it delivers 2.25× lower RON, 40% faster switching, and guaranteed matching - making it essential for metrology-grade signal routing.
Availability
MAX4591ESE is available at Aetrix Electronics and suitable for test equipment, military radios, disk drive controllers, and sample-and-hold circuits requiring stable component supply across industrial temperature ranges.
Supply support for MAX4591ESE 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) designs high-performance analog and mixed-signal ICs for demanding industrial, automotive, and communications applications.
The MAX4591ESE belongs to Maxim's precision analog switch product line, engineered specifically for high-fidelity signal routing in test, defense, and data acquisition systems where channel matching and low distortion are mandatory.
FAQ
What is the maximum supply voltage rating for MAX4591ESE?
The MAX4591ESE has an absolute maximum V+ rating of +17V, but it is fully specified for reliable operation at +12V or +15V single-supply conditions. Operation above +15V is not characterized and may degrade RON matching or increase leakage beyond datasheet limits. Always observe the -0.3V to +17V V+–GND range and sequence V+ before logic inputs to avoid latch-up.
Does MAX4591ESE require a negative supply voltage?
No, the MAX4591ESE operates exclusively from a single positive supply (V+) referenced to GND; V− is internally tied to GND and must be connected to system ground. The device supports rail-to-rail analog signals from 0V to V+, eliminating need for dual supplies - unlike earlier generations such as the MAX391 that require split rails.
How does the normally closed (NC) configuration of MAX4591ESE behave during power loss?
When V+ is removed, all four NC switches in the MAX4591ESE default to closed state due to internal transistor biasing - maintaining continuity between COMx and NCx pins. This fail-safe behavior protects downstream circuitry by preventing open-circuit faults in critical signal paths like antenna switches or safety interlocks.
Can MAX4591ESE be used in audio signal routing applications?
Yes, the MAX4591ESE is well-suited for professional audio routing due to its 20Ω RON, 72dB off-isolation at 10MHz, and 5pC charge injection - all contributing to low THD (<0.01%) and minimal pop/click artifacts. Its 0°C to +85°C rating supports deployment in rack-mounted broadcast gear, though thermal derating above +70°C must follow the 8.70mW/°C SO package specification.
Is MAX4591ESE pin-compatible with the DG611 series?
Yes, the MAX4591ESE is explicitly documented as pin-compatible with DG611/DG211 families in the datasheet. Pin assignments, footprint, and logic polarity match exactly - allowing direct replacement without PCB modification. However, MAX4591ESE improves on RON (20Ω vs. 45Ω), speed (80ns vs. 120ns), and guarantees matching/flatness specs absent in DG611.
MAX4591ESE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 20Ohm
- Channel-to-Channel Matching (ΔRon):
- 500mOhm
- Voltage - Supply, Single (V+):
- 3V ~ 16V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 80ns, 45ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 9pF, 9pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -85dB @ 10MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX4591ESE FAQ
1.How can I place an order for MAX4591ESE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4591ESE 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 MAX4591ESE reliable?
The price and inventory of MAX4591ESE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4591ESE is usually 5 days.
3.What payment methods are accepted for MAX4591ESE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4591ESE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4591ESE?
MAX4591ESE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4591ESE 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 MAX4591ESE?
For technical support, including MAX4591ESE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4591ESE requirements.
6.How does Aetrix verify that MAX4591ESE is sourced from the original manufacturer or authorized distributors?
All MAX4591ESE 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 MAX4591ESE meets industry standards.
7.What is the process for return or replacement of MAX4591ESE?
All MAX4591ESE units undergo pre-shipment inspection (PSI). If there is an issue with MAX4591ESE, 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 MAX4591ESE part is unused and in its original packaging.
Return procedure for MAX4591ESE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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