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Analog Devices Inc./Maxim Integrated MAX4608CSE-T
- Part No.:
- MAX4608CSE-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4608CSE-T.pdf
- Description:
- IC SW SPST-NOX2 2.5OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MAX4608CSE-T from Maxim Integrated is a dual, normally open (NO), single-pole single-throw (SPST) CMOS analog switch with 2.5Ω maximum on-resistance, rail-to-rail signal handling (±15V dual or +12V single supply), and guaranteed 0.5Ω max on-resistance matching between channels. It operates across -40°C to +85°C and is used in PBX systems, test equipment, and audio-signal routing where low distortion and mechanical relay replacement are required.
For engineers reviewing the MAX4608CSE-T datasheet, MAX4608CSE-T pinout, MAX4608CSE-T application, or MAX4608CSE-T equivalent, key selection criteria include verified on-resistance flatness (≤0.5Ω over ±10V), off-isolation (-60dB at 1MHz), charge injection (45pC), TTL/CMOS-compatible logic thresholds (+0.8V/+2.4V), and SO-16 narrow package compatibility.
Technical Context
The MAX4608CSE-T implements two independent SPST switches with NO configuration, each controlled by separate digital inputs (IN1, IN2) referenced to VL. Its BiCMOS process enables low leakage (≤2.5nA at +85°C) and fast switching (110ns turn-on, 150ns turn-off under ±15V dual supply).
It supports both single-supply (+4.5V to +36V) and dual-supply (±4.5V to ±20V) operation, with logic inputs tolerant of TTL/CMOS levels regardless of supply configuration. Internal protection diodes clamp signals exceeding V+ or V−, limiting analog range but preserving RON and leakage performance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 2.5Ω max at ±15V dual supply - ensures minimal voltage drop and power loss in signal paths up to ±10V. |
| RON Match Between Channels | 0.5Ω max - enables precise channel-to-channel signal amplitude tracking in differential or parallel routing. |
| RON Flatness | 0.5Ω max over ±10V signal range - maintains consistent gain and linearity across full analog input swing. |
| Off-Isolation | -60dB at 1MHz - suppresses crosstalk between active and inactive channels in high-frequency multiplexing. |
| Charge Injection | 45pC - limits transient voltage glitches at COM during switching, critical for sample-and-hold and precision ADC front-ends. |
| Supply Range | +4.5V to +36V (single) or ±4.5V to ±20V (dual) - supports industrial, telecom, and avionics rails without level-shifting. |
| Logic Thresholds | +0.8V low / +2.4V high - guarantees direct interface with 5V TTL and CMOS controllers without external biasing. |
Pinout & Package
MAX4608CSE-T is housed in a 16-pin narrow SO (Small Outline) package, 7.5mm × 10.3mm body, 1.27mm pitch, RoHS-compliant. Pin 1 is marked with a notch or dot; pin numbering follows standard SO convention (counterclockwise from top-left corner).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 6, 8, 10, 15 | No Connection (N.C.) | Internally unconnected; recommended to tie to GND for improved off-isolation and EMI suppression. |
| 2, 7 | Control Input (IN1, IN2) | Digital logic inputs controlling NO1 and NO2 switches; TTL/CMOS compatible, referenced to VL. |
| 4 | Negative Analog Supply (V−) | Analog ground reference for dual supply; connect to DGND for single-supply operation. |
| 5 | Ground (GND) | Digital ground return; must be tied to system ground and kept low-impedance. |
| 9, 16 | Normally Open Terminal (NO1, NO2) | Switch output terminals; open-circuit when IN = low, connected to COM when IN = high. |
| 11, 14 | Common Terminal (COM1, COM2) | Analog signal path inputs; carry bidirectional rail-to-rail signals up to ±10V with ≤2.5Ω RON. |
| 12 | Logic Supply (VL) | Reference for logic inputs; typically +5V, independent of analog supply rails. |
| 13 | Positive Analog Supply (V+) | Analog high-rail supply; supports up to +36V single or +20V dual operation. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals from V− to V+ (e.g., ±15V or 0V to +12V), eliminating level-shifting circuitry in mixed-supply systems. |
| Guaranteed RON match & flatness | 0.5Ω max mismatch and flatness over full signal range ensures matched gain and distortion performance across dual channels. |
| TTL/CMOS-compatible control | +0.8V/+2.4V thresholds enable direct drive from microcontrollers, FPGAs, or logic families without pull-ups or translators. |
| ESD protection >2kV | Meets Method 3015.7 human-body model - reduces need for external TVS in board-level ESD protection schemes. |
| Low off-leakage current | ≤2.5nA at +85°C - preserves signal integrity in high-impedance sensor interfaces and battery-powered measurement circuits. |
Applications
| Reed Relay Replacement | PBX and PABX Systems |
|---|---|
Use Scenario: Replacing electromechanical relays in automated test equipment (ATE) fixture switching matrices. IC Role / Device Role / Timing Role: Dual SPST analog switch providing solid-state, bounce-free, high-cycle-life signal path selection. Use Value: Eliminates relay wear-out, reduces PCB area by >70%, cuts power consumption by >95%, and enables sub-200ns switching vs. ms-scale relay actuation. | Use Scenario: Signal routing in telephone exchange hardware for voice path selection and line monitoring. IC Role / Device Role / Timing Role: Low-distortion analog switch managing bidirectional audio signals between subscriber lines and codec interfaces. Use Value: 2.5Ω RON and <0.5Ω matching preserve voice fidelity; -60dB off-isolation prevents talk-down between active and idle lines. |
| Test Equipment Multiplexing | Avionics Signal Conditioning |
Use Scenario: Channel selection in multichannel data acquisition systems for sensor calibration and DUT stimulus/response routing. IC Role / Device Role / Timing Role: Precision analog switch enabling sequential sampling of multiple transducers while maintaining signal integrity. Use Value: 45pC charge injection minimizes settling error in 16-bit+ ADC front-ends; rail-to-rail support accommodates ±10V sensor outputs directly. | Use Scenario: Signal gating and redundancy switching in flight control interface units handling analog sensor feedback (e.g., gyros, accelerometers). IC Role / Device Role / Timing Role: High-reliability analog switch operating across -40°C to +85°C with guaranteed parametric performance. Use Value: Extended temperature grade (E-grade) and 2kV ESD rating meet DO-160 environmental stress requirements; low leakage ensures stable bias in high-Z feedback loops. |
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 | Higher RON (3.8Ω typ), wider temp range (-40°C to +125°C), SPI-controlled instead of parallel logic. | Requires serial interface and additional firmware; better suited for programmable routing in embedded controllers. | Select ADG1419BRUZ when digital configurability and extended high-temp operation outweigh need for simple parallel control. |
| TS5A23159DRCR | Lower voltage rating (+5.5V max), smaller 10-pin WSON package, higher RON (0.9Ω typ at 3.3V), no dual-supply support. | Optimized for portable, low-voltage consumer electronics-not suitable for ±15V or industrial rails. | Select TS5A23159DRCR only for space-constrained 3.3V systems where rail-to-rail analog range is not required. |
Compared with ADG1419BRUZ and TS5A23159DRCR, the MAX4608CSE-T uniquely delivers 2.5Ω RON with true dual-supply operation, ±15V signal handling, and parallel TTL/CMOS control-making it optimal for legacy telecom, ATE, and avionics designs requiring proven reliability and wide supply flexibility.
Availability
MAX4608CSE-T is available at Aetrix Electronics and suitable for PBX systems, automated test equipment, and avionics signal conditioning requiring stable component supply, long-term lifecycle support, and guaranteed parametric compliance across temperature.
Supply support for MAX4608CSE-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, designs precision analog, mixed-signal, and power management ICs for industrial, communications, and computing applications.
The MAX4607/MAX4608/MAX4609 family was engineered specifically for high-fidelity analog signal routing in relay-replacement and telecom infrastructure, emphasizing low RON, tight matching, and robust dual-supply operation.
FAQ
What is the maximum allowable supply voltage for MAX4608CSE-T?
The MAX4608CSE-T supports single-supply operation from +4.5V to +36V and dual-supply operation from ±4.5V to ±20V. Absolute maximum ratings specify V+ to GND ≤ +44V and V− to GND ≥ −44V, but sustained operation above ±20V or +36V violates datasheet specifications and risks permanent damage. Always observe the recommended operating ranges defined in the Electrical Characteristics tables for reliable MAX4608CSE-T performance.
Does MAX4608CSE-T support rail-to-rail analog signal switching?
Yes, the MAX4608CSE-T supports rail-to-rail analog signal switching: its COM and NO terminals handle signals from V− to V+, including ±15V dual supply and 0V to +12V single supply configurations. This capability eliminates external level-shifting circuitry in mixed-voltage systems and preserves signal integrity across the full analog input range, a core design feature confirmed in the General Description and Electrical Characteristics sections of the MAX4608CSE-T datasheet.
What is the logic supply voltage (VL) requirement for MAX4608CSE-T?
The MAX4608CSE-T requires a dedicated logic supply (VL) pin, typically connected to +5V, which sets the reference for TTL/CMOS-compatible input thresholds (+0.8V low, +2.4V high). VL is independent of analog supplies (V+, V−) and must remain within (GND − 0.3V) to (V+ + 0.3V). Operating VL outside this window may cause undefined logic behavior or damage. The MAX4608CSE-T does not derive logic thresholds from V+ or GND alone - VL is mandatory for correct digital control.
Can MAX4608CSE-T replace mechanical relays in high-cycle applications?
Yes, the MAX4608CSE-T is explicitly designed as a reed relay replacement, offering infinite mechanical cycle life, sub-200ns switching speed, and no contact bounce. Its 2.5Ω RON, low charge injection (45pC), and guaranteed leakage (<2.5nA at +85°C) ensure stable, low-distortion performance in automated test equipment and telecom switching matrices where relays fail due to wear or slow response. Unlike relays, the MAX4608CSE-T requires no coil drive current and occupies significantly less board space.
What package type and footprint does MAX4608CSE-T use?
The MAX4608CSE-T uses a 16-pin narrow SO (Small Outline) package, outline number S16-8, with 1.27mm lead pitch and 7.5mm × 10.3mm body dimensions. Its land pattern (footprint) is documented as 90-0097 on Maxim's packaging site. This RoHS-compliant package is pin-compatible with other MAX460x variants in SO-16 format and requires standard reflow soldering profiles - no special assembly processes are needed for MAX4608CSE-T integration.
MAX4608CSE-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO
- 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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX4608CSE-T FAQ
1.How can I place an order for MAX4608CSE-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4608CSE-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 MAX4608CSE-T reliable?
The price and inventory of MAX4608CSE-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4608CSE-T is usually 5 days.
3.What payment methods are accepted for MAX4608CSE-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4608CSE-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4608CSE-T?
MAX4608CSE-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4608CSE-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 MAX4608CSE-T?
For technical support, including MAX4608CSE-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4608CSE-T requirements.
6.How does Aetrix verify that MAX4608CSE-T is sourced from the original manufacturer or authorized distributors?
All MAX4608CSE-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 MAX4608CSE-T meets industry standards.
7.What is the process for return or replacement of MAX4608CSE-T?
All MAX4608CSE-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4608CSE-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 MAX4608CSE-T part is unused and in its original packaging.
Return procedure for MAX4608CSE-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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