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Analog Devices Inc./Maxim Integrated MAX4609ESE+
- Part No.:
- MAX4609ESE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4609ESE+.pdf
- Description:
- IC SW SPST-NO/NCX2 2.5OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:700
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Product details
Overview
MAX4609ESE+ from Maxim Integrated is a dual single-pole/single-throw (SPST) CMOS analog switch with one normally closed (NC) and one normally open (NO) channel, 2.5Ω max on-resistance, rail-to-rail signal handling, ±4.5V to ±20V dual-supply or +4.5V to +36V single-supply operation, and 2.5nA max off-leakage at +85°C - used in reed relay replacement and audio-signal routing.
For engineers reviewing the MAX4609ESE+ datasheet, MAX4609ESE+ pinout, MAX4609ESE+ application, or MAX4609ESE+ equivalent, key selection criteria include guaranteed RON match (≤0.5Ω), RON flatness (≤0.5Ω), TTL/CMOS-compatible logic thresholds (+0.8V/+2.4V), ESD protection (>2kV), and -40°C to +85°C industrial temperature rating.
Technical Context
The MAX4609ESE+ implements two independent SPST switches in a single monolithic BiCMOS process: Switch 1 is NC (closed when IN1 = LOW), Switch 2 is NO (closed when IN2 = HIGH). Each channel supports bidirectional analog signals spanning V− to V+, with matched on-resistance and flat RON over full signal range.
Logic control uses separate digital inputs (IN1, IN2) referenced to VL (logic supply), enabling compatibility with +5V TTL/CMOS levels regardless of analog supply configuration. Internal protection diodes clamp input voltages beyond V+ or V−, limiting forward current to rated maximums.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 2.5Ω max at TA = −40°C to +85°C, ICCOM = 10mA - ensures minimal voltage drop and power loss in precision signal paths. |
| RON Match Between Channels | 0.5Ω max - enables accurate differential or ratiometric measurements without calibration. |
| RON Flatness | 0.5Ω max over full signal range - preserves linearity and THD in audio and instrumentation applications. |
| Off-Leakage Current | 2.5nA max at +85°C - prevents DC error accumulation in high-impedance sensor or sample-hold circuits. |
| Supply Range | +4.5V to +36V (single) or ±4.5V to ±20V (dual) - supports wide-range industrial and test equipment power architectures. |
| Logic Thresholds | +0.8V (VIL max), +2.4V (VIH min) - guarantees reliable switching with standard +5V TTL/CMOS drivers. |
| Turn-On/Off Time | 110ns / 150ns typical at VCOM = ±10V - suitable for medium-speed multiplexing and automatic test equipment (ATE) sequencing. |
Pinout & Package
MAX4609ESE+ is housed in a 16-pin narrow SO (Small Outline) package, RoHS-compliant and lead-free, with 1.27mm pitch and JEDEC MS-012AC outline (S16-8).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 6, 8, 10, 15 | N.C. | No internal connection; recommended tied to GND for improved off-isolation and noise immunity. |
| 2, 7 | IN1, IN2 | Digital control inputs for Switch 1 (NC) and Switch 2 (NO); TTL/CMOS-compatible with VL reference. |
| 4 | V− | Negative analog supply rail; connect to DGND in single-supply mode. |
| 5 | GND | Analog/digital ground reference; common return for V−, VL, and logic inputs. |
| 9, 16 | NC1, NO1 | Normally closed and normally open terminals for Switch 1 - COM1 connects to NC1 when IN1 = LOW. |
| 11, 14 | COM1, COM2 | Common analog terminals - bidirectional signal path entry/exit points for each switch. |
| 12 | VL | Logic supply input; decouples control logic from analog rails, enabling mixed-voltage system interfacing. |
| 13 | V+ | Positive analog supply rail; defines upper signal limit and powers internal switch circuitry. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports V− to V+ continuous voltage swing - eliminates level-shifting in ±15V instrumentation or +24V industrial I/O. |
| Guaranteed RON match and flatness | 0.5Ω max match and flatness across temperature and signal range - critical for matched-channel applications like balanced audio or differential ADC front-ends. |
| TTL/CMOS-compatible logic inputs | +0.8V/+2.4V thresholds with <±0.5µA input current - allows direct interface to microcontrollers and FPGAs without level translators. |
| ESD protection >2kV (HBM) | Robust handling of human-body-model ESD events - reduces need for external protection in board-level assembly and field service. |
| Low charge injection (45pC typical) | Minimizes voltage glitch on sampled nodes - essential for precision data acquisition and sample-and-hold circuits. |
Applications
| Reed Relay Replacement | Audio-Signal Routing |
|---|---|
Use Scenario: Replacing electromechanical relays in automated test equipment where cycle life, speed, and size are critical. IC Role / Device Role / Timing Role: Dual SPST analog switch providing solid-state isolation and signal path control with sub-200ns switching. Use Value: Eliminates mechanical wear-out, reduces PCB area by >70%, and enables 100x faster switching than typical reed relays. |
Use Scenario: Routing line-level or microphone signals between multiple sources and destinations in professional audio mixers. IC Role / Device Role / Timing Role: Low-distortion, low-RON analog switch managing bidirectional audio paths with minimal crosstalk (-66dB). Use Value: Preserves signal fidelity (THD <0.01%) and channel separation without audible switching artifacts or pop/click. |
| Test Equipment Multiplexing | Avionics Signal Conditioning |
Use Scenario: Multiplexing sensor inputs (thermocouples, RTDs) into a shared ADC in benchtop or rack-mounted test systems. IC Role / Device Role / Timing Role: Precision analog switch with matched RON and low leakage ensuring measurement accuracy across channels. Use Value: Enables <0.1% gain error contribution and <1µV offset drift per channel - meets Class II ATE calibration requirements. |
Use Scenario: Isolating and routing analog sensor outputs (e.g., pressure, temperature) in flight control and navigation subsystems. IC Role / Device Role / Timing Role: Industrial-grade analog switch operating reliably from -40°C to +85°C with robust ESD and supply tolerance. Use Value: Meets DO-160 Section 22 lightning-induced transient immunity via internal clamping and wide supply margin (±4.5V to ±20V). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual SPST analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG1419BRUZ | 4.7Ω max RON, ±15V max dual supply, no VL pin, 16-TSSOP package | Higher RON limits use in low-voltage (<1V) precision sensing; lacks logic supply decoupling | Select when footprint compatibility with TSSOP is required and RON >4Ω is acceptable. |
| TS5A23157DGSR | 0.9Ω max RON, +1.65V to +5.5V single supply only, 10-pin VSSOP, no dual-supply support | Cannot replace MAX4609ESE+ in ±15V or +24V systems; unsuitable for industrial temperature range | Choose only for low-voltage, space-constrained consumer applications where supply range is strictly ≤5.5V. |
Compared with ADG1419BRUZ and TS5A23157DGSR, the MAX4609ESE+ uniquely combines industrial temperature rating, dual-supply flexibility, logic supply decoupling (VL), and guaranteed RON matching - making it the preferred choice for ATE, avionics, and high-reliability analog routing where supply and signal integrity constraints are stringent.
Availability
MAX4609ESE+ is available at Aetrix Electronics and suitable for reed relay replacement, audio-signal routing, and test equipment multiplexing requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.
Supply support for MAX4609ESE+ 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, mixed-signal, and power management ICs for industrial, communications, and computing applications.
The MAX4607/MAX4608/MAX4609 family was engineered specifically for solid-state replacement of electromechanical relays and precision analog signal routing in harsh environments - emphasizing low RON, tight matching, wide supply range, and industrial temperature operation.
FAQ
What is the operating temperature range of the MAX4609ESE+?
The MAX4609ESE+ is rated for operation from -40°C to +85°C, meeting industrial temperature requirements. This range is confirmed in the Ordering Information table and Absolute Maximum Ratings section of the datasheet, and applies specifically to the "E" grade suffix in the MAX4609ESE+ part number.
Does the MAX4609ESE+ support dual-supply operation?
Yes, the MAX4609ESE+ supports dual-supply operation from ±4.5V to ±20V, as specified in both the General Description and Electrical Characteristics tables. The device maintains 2.5Ω max on-resistance and 0.5Ω max RON match across this full dual-supply range.
What is the function of the VL pin on the MAX4609ESE+?
The VL pin on the MAX4609ESE+ provides a dedicated logic supply reference for the digital control inputs (IN1, IN2), decoupling logic-level thresholds from analog supply rails. It accepts +2.7V to +5.5V and enables reliable TTL/CMOS compatibility even when V+ and V− operate at ±15V or +36V.
How does the MAX4609ESE+ differ from the MAX4607ESE+ and MAX4608ESE+?
The MAX4609ESE+ integrates one normally closed (NC) and one normally open (NO) SPST switch, whereas the MAX4607ESE+ has two NC switches and the MAX4608ESE+ has two NO switches. All three share identical electrical specs (RON, leakage, timing) and pinout - only the switch logic polarity differs per channel.
Is the MAX4609ESE+ pin-compatible with other packages in the same family?
Yes, the MAX4609ESE+ (16-pin narrow SO) shares identical pinout and functionality with the MAX4609EPE (16-pin plastic DIP) and all C/E-grade variants in the MAX4607/MAX4608/MAX4609 family - enabling drop-in replacement across SO and DIP packages without layout changes.
MAX4609ESE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO/NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 2.5Ohm
- Channel-to-Channel Matching (ΔRon):
- 50mOhm
- Voltage - Supply, Single (V+):
- 4.5V ~ 36V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 110ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 45pC
- Channel Capacitance (CS(off), CD(off)):
- 64pF, 64pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -66dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX4609ESE+ FAQ
1.How can I place an order for MAX4609ESE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4609ESE+ 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 MAX4609ESE+ reliable?
The price and inventory of MAX4609ESE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4609ESE+ is usually 5 days.
3.What payment methods are accepted for MAX4609ESE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4609ESE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4609ESE+?
MAX4609ESE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4609ESE+ 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 MAX4609ESE+?
For technical support, including MAX4609ESE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4609ESE+ requirements.
6.How does Aetrix verify that MAX4609ESE+ is sourced from the original manufacturer or authorized distributors?
All MAX4609ESE+ 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 MAX4609ESE+ meets industry standards.
7.What is the process for return or replacement of MAX4609ESE+?
All MAX4609ESE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4609ESE+, 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 MAX4609ESE+ part is unused and in its original packaging.
Return procedure for MAX4609ESE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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