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Analog Devices Inc./Maxim Integrated MAX4694EBE+
- Part No.:
- MAX4694EBE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- -
- Datasheet:
-
MAX4694EBE+.pdf
- Description:
- SPDT, 4 FUNC, 1 CHANNEL, CMOS, P
- Quantity:
- Payment:
- Shipping:
Inventory:2,030
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Product details
Overview
MAX4694EBE+ from Maxim Integrated is a quad single-pole/double-throw (SPDT) analog switch IC in a 16-bump UCSP package, operating from a single +2V to +11V supply. It delivers rail-to-rail signal handling, 1nA max leakage current at +25°C, 35Ω max on-resistance at +5V, and guaranteed break-before-make switching-ideal for low-power audio routing and battery-operated portable instrumentation.
For engineers reviewing the MAX4694EBE+ datasheet, MAX4694EBE+ pinout, MAX4694EBE+ application, or MAX4694EBE+ equivalent, key selection criteria include its 4-channel SPDT architecture, 16-bump 2mm × 2mm UCSP footprint, ±10nA off-leakage over temperature, 90ns typical transition time, and 1.8V logic compatibility at +3V supply.
Technical Context
The MAX4694EBE+ implements four independent bidirectional SPDT switches with dedicated common terminals (W, X, Y, Z) and paired normally closed/normally open inputs (e.g., W0/W1). Control is managed via two digital inputs-A drives switches W and Y, B drives X and Z-enabling compact 2-bit address decoding without enable pin.
It operates exclusively on single-supply rails (+2V to +11V), with V− internally tied to GND; analog signal range spans 0V to V+, supporting rail-to-rail operation. Internal CMOS switch gates are driven by logic-level translators referenced to V+ and GND, isolating digital control from analog paths while maintaining low charge injection (0.2pC typ).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Configuration | Four independent SPDT switches (W, X, Y, Z), each with NC/NO inputs and common terminal |
| Supply Range | +2V to +11V single supply only; no dual-supply support |
| On-Resistance (max) | 35Ω at +5V supply-ensures minimal signal attenuation in audio and sensor paths |
| Leakage Current (max) | ±20nA at +85°C-preserves accuracy in high-impedance sensor front-ends |
| Transition Time | 90ns typical-supports fast channel switching in data acquisition systems |
| Logic Compatibility | 1.8V logic-compatible at +3V supply; TTL-compatible at +5V supply |
| Off-Isolation | -80dB at 100kHz-minimizes crosstalk between inactive channels |
Pinout & Package
The MAX4694EBE+ uses a 16-bump, 0.5mm-pitch UCSP package measuring 2mm × 2mm, with solder bumps arranged in a 4×4 grid. No exposed pad; all connections made via bottom-side microbumps.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| D4 | W0 | Normally closed input for switch W-connects to common W when A = 0 |
| C4 | W1 | Normally open input for switch W-connects to common W when A = 1 |
| A1 | X0 | Normally closed input for switch X-connects to common X when B = 0 |
| B1 | X1 | Normally open input for switch X-connects to common X when B = 1 |
| A4 | Y0 | Normally closed input for switch Y-connects to common Y when A = 0 |
| B4 | Y1 | Normally open input for switch Y-connects to common Y when A = 1 |
| D1 | Z0 | Normally closed input for switch Z-connects to common Z when B = 0 |
| C1 | Z1 | Normally open input for switch Z-connects to common Z when B = 1 |
| D3 | W | Common terminal for switch W-bidirectional signal path |
| A2 | X | Common terminal for switch X-bidirectional signal path |
| A3 | Y | Common terminal for switch Y-bidirectional signal path |
| D2 | Z | Common terminal for switch Z-bidirectional signal path |
| B3 | GND | Digital ground reference for logic circuitry and ESD protection |
| C2 | A | Digital control input for switches W and Y (active-high) |
| C3 | V+ | Positive supply for analog and digital sections; bypass with 0.1µF capacitor |
| C2 | B | Digital control input for switches X and Z (active-high) |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports full 0V to V+ signal swing-enables direct interface with op-amps and ADCs without level-shifting |
| Guaranteed break-before-make | 2ns minimum dead time prevents momentary shorting during channel transitions-critical for multiplexed sensor arrays |
| Low 1nA leakage (typ) | Minimizes error voltage in high-Z medical or precision measurement circuits at room temperature |
| 16-bump UCSP (2mm × 2mm) | Reduces PCB area by >70% vs. QFN-ideal for space-constrained wearables and handheld devices |
| 1.8V logic compatibility | Direct interfacing with modern ultra-low-voltage MCUs (e.g., ARM Cortex-M0+) without level shifters |
Applications
| Audio Signal Routing | Battery-Powered Instrumentation |
|---|---|
Use Scenario: Selecting between microphone inputs or headphone outputs in a smartphone or wireless earbud. IC Role / Device Role: Quad SPDT switch routing analog audio paths with minimal THD (0.02%) and crosstalk (-87dB). Use Value: Enables compact, low-noise audio switching without external biasing or level-shifting components. | Use Scenario: Multiplexing multiple sensor signals (thermistor, accelerometer, ambient light) into a single ADC input in a portable health monitor. IC Role / Device Role: Low-leakage (±20nA @ +85°C), rail-to-rail analog switch preserving signal integrity across wide temperature range. Use Value: Maintains measurement accuracy in high-impedance sensor interfaces while minimizing board space and power draw. |
| Cellular Phone Front-End | Communications Circuit Switching |
Use Scenario: Routing RF auxiliary signals (e.g., diversity antenna, NFC, GPS) in LTE/5G handsets where space and leakage matter. IC Role / Device Role: Fast-switching (90ns), low-capacitance SPDT switch with 9pF off-capacitance per channel. Use Value: Reduces signal degradation and insertion loss in high-frequency auxiliary paths without requiring matching networks. | Use Scenario: Configuring signal paths in modem baseband processing-e.g., selecting between line-in, mic-in, or codec loopback modes. IC Role / Device Role: Four independent SPDTs controlled by just two GPIOs, simplifying firmware control logic. Use Value: Eliminates need for discrete MOSFETs or larger mux ICs, reducing BOM count and layout complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad SPDT analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG732BRUZ | 16-channel SPDT, 3.3V/5V single-supply, 4.5Ω RON, 16-TSSOP package | Higher channel count but larger footprint and higher supply sensitivity-requires strict 3.3V or 5V operation | Select ADG732BRUZ only if more than 4 channels are needed and TSSOP assembly is acceptable. |
| TMUX1574RTER | Quad SPDT, 1.08V–5.5V supply, 0.5Ω RON, 16-WQFN, integrated fault protection | Lower RON and wider voltage range, but lacks guaranteed break-before-make and has higher leakage (±100nA) | Choose TMUX1574RTER for ultra-low resistance in precision DAC output switching, not for timing-critical multiplexing. |
Compared with ADG732BRUZ and TMUX1574RTER, the MAX4694EBE+ offers superior timing control (guaranteed break-before-make), lower leakage at temperature, and smallest PCB footprint-making it optimal for space-constrained, low-power, timing-sensitive analog routing.
Availability
MAX4694EBE+ is available at Aetrix Electronics and suitable for audio signal routing, battery-powered instrumentation, and cellular phone front-end designs requiring stable component supply and long-term production continuity.
Supply support for MAX4694EBE+ 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 demanding industrial, communications, and consumer applications.
The MAX4691–MAX4694 family was engineered specifically for low-voltage, low-leakage, space-constrained analog signal routing-targeting portable electronics, medical sensors, and telecom infrastructure where rail-to-rail performance and UCSP miniaturization are critical.
FAQ
What is the maximum supply voltage rating for MAX4694EBE+?
The MAX4694EBE+ supports a single positive supply from +2V to +11V. Its absolute maximum rating is +12V on V+, and exceeding this may cause permanent damage. Operation above +11V is not characterized or guaranteed, and thermal dissipation must be verified per application conditions.
Does MAX4694EBE+ support dual-supply operation like other parts in the MAX4691–MAX4694 family?
No. The MAX4694EBE+ is specified for single-supply operation only (+2V to +11V). Unlike MAX4691/MAX4692/MAX4693, it does not support dual ±2V to ±5.5V supplies-its pinout omits V−, and internal design routes all analog and digital functions to V+ and GND.
How is channel selection implemented on MAX4694EBE+?
The MAX4694EBE+ uses two digital control inputs: pin C2 (A) controls switches W and Y, while pin C2 (B) controls switches X and Z. Each SPDT pair toggles between NC and NO states based on the logic level applied-no enable or address decoding logic is required beyond these two pins.
What is the guaranteed on-resistance match between channels for MAX4694EBE+ at +5V supply?
At +5V supply, the MAX4694EBE+ guarantees ≤5Ω on-resistance match (∆RON) between any two channels over -40°C to +85°C. This ensures consistent gain and signal fidelity when routing matched sensor or audio pairs.
Can MAX4694EBE+ be used in automotive applications?
The MAX4694EBE+ is rated for -40°C to +85°C operation and RoHS-compliant, but it is not AEC-Q200 qualified. For automotive infotainment or body electronics, qualification testing and system-level validation would be required before deployment-Aetrix recommends reviewing full reliability reports and consulting Maxim's automotive-grade alternatives.
MAX4694EBE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- *
- Packaging:
- Bulk
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- -
- Number of Circuits:
- -
- On-State Resistance (Max):
- -
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- -
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- -
- Current - Leakage (IS(off)) (Max):
- -
- Crosstalk:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX4694EBE+ FAQ
1.How can I place an order for MAX4694EBE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4694EBE+ 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 MAX4694EBE+ reliable?
The price and inventory of MAX4694EBE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4694EBE+ is usually 5 days.
3.What payment methods are accepted for MAX4694EBE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4694EBE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4694EBE+?
MAX4694EBE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4694EBE+ 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 MAX4694EBE+?
For technical support, including MAX4694EBE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4694EBE+ requirements.
6.How does Aetrix verify that MAX4694EBE+ is sourced from the original manufacturer or authorized distributors?
All MAX4694EBE+ 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 MAX4694EBE+ meets industry standards.
7.What is the process for return or replacement of MAX4694EBE+?
All MAX4694EBE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4694EBE+, 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 MAX4694EBE+ part is unused and in its original packaging.
Return procedure for MAX4694EBE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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