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Analog Devices Inc./Maxim Integrated MAX319ESA+
- Part No.:
- MAX319ESA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX319ESA+.pdf
- Description:
- IC SWITCH SPDT X 1 35OHM 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,047
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Product details
Overview
MAX319ESA+ from Maxim Integrated is a precision SPDT CMOS analog switch with one normally open (NO) and one normally closed (NC) channel, designed for rail-to-rail signal routing in high-fidelity sample-and-hold, test equipment, and military radio systems. It delivers <35Ω max on-resistance, <10pC charge injection, <6nA off-leakage at +85°C, and 175ns turn-on time under ±15V dual supply.
For engineers reviewing the MAX319ESA+ datasheet, MAX319ESA+ pinout, MAX319ESA+ application, or MAX319ESA+ equivalent, key selection criteria include guaranteed on-resistance matching (<2Ω), break-before-make timing (5–13ns), bipolar/single-supply flexibility (+10V to +30V or ±4.5V to ±20V), and ±2000V ESD tolerance - all validated across –40°C to +85°C industrial temperature range.
Technical Context
The MAX319ESA+ implements a monolithic silicon-gate CMOS architecture optimized for low distortion analog switching. Its SPDT topology enforces strict break-before-make operation (5–13ns delay), preventing momentary shorting between NC and NO paths during logic transitions. The device supports both unipolar and bipolar supply configurations without internal level-shifting circuitry - logic input (IN) references VL, while analog path (COM/NC/NO) references V+/V− independently.
Charge injection is minimized to ≤10pC via matched transistor design and layout symmetry, critical for precision sample-and-hold accuracy. Off-isolation exceeds 68dB at 1MHz, and crosstalk remains below –85dB, enabling multi-channel signal integrity in dense PCB layouts where adjacent switch coupling must be suppressed.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Type | SPDT (1 NC + 1 NO); enables true signal path selection with fail-safe default state |
| On Resistance (max) | 35Ω at TA = TMIN to TMAX; ensures minimal signal attenuation and gain error in precision DC/low-frequency paths |
| On Resistance Match | <2Ω between NC and NO channels at +25°C; guarantees matched gain/attenuation in differential or ratiometric circuits |
| Charge Injection | <10pC; limits voltage glitch on hold capacitor, preserving sub-12-bit accuracy in S/H applications |
| Off-Leakage (max) | 10nA at +85°C; prevents drift in high-impedance sensor interfaces or long-integration-time measurement nodes |
| ESD Rating | >±2000V per Method 3015.7; allows direct handling and board-level integration without additional protection circuitry |
| Supply Range | +10V to +30V (single) or ±4.5V to ±20V (dual); supports legacy ±15V rails and modern 24V industrial systems |
Pinout & Package
MAX319ESA+ is housed in an 8-pin SO (Small Outline) package, 150-mil body width, with standard JEDEC MS-012AC footprint (5.0mm × 4.0mm, 1.27mm pitch). Pin 1 marked by notch or dot; moisture sensitivity level (MSL) = 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | COM | Analog common terminal - connects to signal source or load; referenced to V+/V−, not GND |
| 2 | GND | Digital logic ground reference for IN and VL; must be tied to system digital ground |
| 3 | V+ | Positive analog supply rail; sets upper limit of analog signal range (up to +44V relative to V−) |
| 4 | VL | Logic supply input; accepts 4.5V–5.5V for TTL/CMOS compatibility; decoupling required |
| 5 | IN | Active-high digital control input; drives internal switch matrix; compatible with 0.8V/2.4V logic thresholds |
| 6 | V− | Negative analog supply rail; sets lower limit of analog signal range (down to –44V relative to V+) |
| 7 | NO | Normally open analog terminal; connects to COM only when IN = HIGH; used for active-path routing |
| 8 | NC | Normally closed analog terminal; connects to COM when IN = LOW; provides default/failsafe path |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog handling | Supports signals from V− to V+ (e.g., ±15V or 0V to +24V), eliminating level-shifting in mixed-supply systems |
| Guaranteed break-before-make | 5–13ns minimum delay prevents NC/NO overlap, avoiding transient shorts in power-sensitive or fault-tolerant designs |
| Low on-resistance flatness | ΔRON ≤ 5Ω over full analog range (–15V to +15V); maintains consistent gain/attenuation across signal swing |
| TTL/CMOS logic compatibility | Accepts standard 5V logic levels without external translators; reduces BOM count and layout complexity |
| Ultra-low power consumption | 35µW typical supply current; enables battery-powered portable test gear and low-quiescent IoT edge nodes |
Applications
| Sample-and-Hold Circuits | Test Equipment |
|---|---|
Use Scenario: Capturing precise analog waveforms in automated test systems with microsecond-level aperture time control. IC Role / Device Role / Timing Role: SPDT switch selects between acquisition and hold phases; NC path holds capacitor voltage during conversion, NO path samples new input. Use Value: ≤10pC charge injection minimizes hold-step error; <35Ω RON ensures fast settling and low droop rate in high-Z hold capacitors. | Use Scenario: Signal routing in modular benchtop instruments requiring reconfigurable analog paths for calibration, stimulus, and measurement. IC Role / Device Role / Timing Role: Precision multiplexer front-end; routes DUT signals to ADCs, DACs, or reference sources under microcontroller control. Use Value: 68dB off-isolation and –85dB crosstalk prevent channel crosstalk; ±2000V ESD withstand simplifies ESD-safe probe interface design. |
| Military Radios | Battery-Powered Systems |
Use Scenario: Antenna switching and IF signal path selection in ruggedized HF/VHF transceivers operating across –40°C to +85°C. IC Role / Device Role / Timing Role: Fault-tolerant RF front-end switch; NC path maintains receive continuity during logic faults or power glitches. Use Value: Guaranteed –40°C to +85°C operation with no derating; 44V breakdown enables direct interfacing with 28V aircraft power buses. | Use Scenario: Low-power sensor signal conditioning in portable medical monitors or handheld diagnostic tools. IC Role / Device Role / Timing Role: Power-gated analog path selector; disconnects unused sensors to reduce system leakage and extend battery life. Use Value: 35µW quiescent power and <6nA off-leakage at +85°C minimize standby current; SO package enables compact 2-layer PCB layout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG1419BRMZ | Single-supply only (±15V not supported); higher RON (40Ω typ); 10ns faster tOFF but no guaranteed break-before-make | Optimized for 5V/12V systems; unsuitable for legacy ±15V instrumentation or fail-safe NC requirement | Select ADG1419BRMZ only if single-supply operation and speed outweigh NC default path necessity |
| TS5A3159DCKR | Lower voltage rating (5.5V max); 0.9Ω RON but limited to 3.3V logic; no specified ESD rating above 2kV | Targeted at consumer-grade portable electronics; cannot replace MAX319ESA+ in industrial/military environments | Choose TS5A3159DCKR only for cost-sensitive, low-voltage, non-critical signal routing with tight space constraints |
Compared with ADG1419BRMZ and TS5A3159DCKR, MAX319ESA+ uniquely combines bipolar supply support, guaranteed NC/NO behavior, and industrial temperature grade - making it irreplaceable in systems requiring robust fail-safe analog routing under wide voltage and thermal conditions.
Availability
MAX319ESA+ is available at Aetrix Electronics and suitable for sample-and-hold circuits, test equipment, military radios, and battery-powered systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX319ESA+ 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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and computing markets.
The MAX317/MAX318/MAX319 family was engineered specifically for precision analog signal routing in mission-critical systems where low distortion, predictable switching behavior, and environmental ruggedness are mandatory - not merely desirable.
FAQ
What is the maximum analog signal voltage range supported by the MAX319ESA+?
The MAX319ESA+ supports rail-to-rail analog signals from V− to V+, with absolute maximum ratings of +44V referenced to V−. Under ±15V dual supplies, the usable analog range is –15V to +15V; under +24V/0V single supply, it is 0V to +24V. This capability is confirmed in the Absolute Maximum Ratings table and Electrical Characteristics sections of the official datasheet.
Does the MAX319ESA+ require external pull-up or pull-down resistors on the IN pin?
No, the MAX319ESA+ does not require external biasing on the IN pin. Its logic inputs are TTL- and CMOS-compatible with guaranteed thresholds of 0.8V (VIL) and 2.4V (VIH) at VL = 5V, and input leakage is ±0.5µA max. Direct connection to microcontroller GPIO or FPGA outputs is fully supported without added components.
Can the MAX319ESA+ operate with unbalanced supplies such as +24V and –5V?
Yes, the MAX319ESA+ explicitly supports unbalanced supplies like +24V and –5V, as documented in the Applications Information section. The only constraint is that the total voltage difference (V+ – V−) must not exceed +44V. In this configuration, the analog signal range becomes –5V to +24V, and logic levels remain referenced to VL and GND.
What is the guaranteed break-before-make time for the MAX319ESA+?
The MAX319ESA+ guarantees a break-before-make interval of 5ns to 13ns at +25°C, measured under RL = 1000Ω and CL = 35pF conditions. This parameter is specified in the Dynamic Characteristics table and verified in Figure 4 of the datasheet, ensuring no overlap between NC and NO conduction paths during switching.
Is the MAX319ESA+ pin-compatible with other devices in the MAX317/MAX318/MAX319 family?
Yes, the MAX319ESA+ shares identical pinout and package (8-pin SO) with MAX317ESA+ and MAX318ESA+, as confirmed in the Pin Configurations diagram and Pin Description table. All three devices use pins 1 (COM), 2 (GND), 3 (V+), 4 (VL), 5 (IN), 6 (V−), 7 (NO/NC/N.C.), and 8 (NC/COM/NO) with identical functions - enabling drop-in replacement within the same family for SPST vs. SPDT functional adaptation.
MAX319ESA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 35Ohm
- Channel-to-Channel Matching (ΔRon):
- 2Ohm (Max)
- Voltage - Supply, Single (V+):
- 10V ~ 30V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 175ns, 145ns
- -3db Bandwidth:
- -
- Charge Injection:
- 3pC
- Channel Capacitance (CS(off), CD(off)):
- 8pF, 8pF
- Current - Leakage (IS(off)) (Max):
- 250pA
- Crosstalk:
- -85dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX319ESA+ FAQ
1.How can I place an order for MAX319ESA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX319ESA+ 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 MAX319ESA+ reliable?
The price and inventory of MAX319ESA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX319ESA+ is usually 5 days.
3.What payment methods are accepted for MAX319ESA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX319ESA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX319ESA+?
MAX319ESA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX319ESA+ 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 MAX319ESA+?
For technical support, including MAX319ESA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX319ESA+ requirements.
6.How does Aetrix verify that MAX319ESA+ is sourced from the original manufacturer or authorized distributors?
All MAX319ESA+ 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 MAX319ESA+ meets industry standards.
7.What is the process for return or replacement of MAX319ESA+?
All MAX319ESA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX319ESA+, 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 MAX319ESA+ part is unused and in its original packaging.
Return procedure for MAX319ESA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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