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Analog Devices Inc./Maxim Integrated MAX6807SA26
- Part No.:
- MAX6807SA26
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX6807SA26.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:10,580
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Product details
Overview
MAX6807SA26 from Maxim Integrated is an active-high, push-pull precision voltage detector IC designed for power supply monitoring in microprocessor-based systems. It asserts a logic-high RESET signal when VCC falls below its factory-trimmed 2.6V threshold (±2% accuracy), features 35µA supply current, guarantees RESET validity down to VCC = 1.2V, and operates across –40°C to +85°C in an 8-pin SO package. It is used in critical µP power monitoring where deterministic reset timing and low quiescent current are required.
For engineers reviewing the MAX6807SA26 datasheet, MAX6807SA26 pinout, MAX6807SA26 application, or MAX6807SA26 equivalent, this page delivers verified electrical parameters, package-specific pin mapping, real-world use scenarios, and validated alternative options for industrial embedded and battery-powered equipment design.
Technical Context
The MAX6807SA26 implements a precision bandgap-based voltage comparator with internal hysteresis (VHYST = 0.02–0.03 × VTH−) to prevent output oscillation during supply transients near threshold. Its active-high push-pull output drives logic-high directly without external pull-up, supporting immediate assertion upon VCC drop and fast release above threshold - no timeout delay.
It is immune to negative-going VCC transients up to 100µs at 100mV overdrive and maintains guaranteed output drive (VOH ≥ 0.8×VCC at ISOURCE = 20µA, VOL ≤ 0.4V at ISINK = 3.2mA) across full temperature range and supply voltage (1.2V–5.5V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 2.60V ±2% (VTH−, falling VCC); ensures reliable detection before system ICs exit specification |
| Supply Voltage Range | 1.2V to 5.5V; supports operation down to brownout edge while maintaining valid RESET |
| Supply Current | 35µA typical at 3.6V; enables long battery life in portable equipment |
| RESET Output Type | Active-high, push-pull; eliminates need for external pull-up resistor and simplifies interface |
| Hysteresis | 0.02–0.03 × VTH−; prevents chatter during slow-rising/falling supplies or noise coupling |
| Operating Temperature | –40°C to +85°C; qualified for industrial and extended-temperature embedded applications |
| Reset Delay | 30µs typical (VCC falling at 1mV/µs); provides fast, deterministic response to supply faults |
Pinout & Package
MAX6807SA26 is housed in an 8-pin SO (Small Outline) package with standard JEDEC MS-012AC outline. Pin 1 is RESET (active-high push-pull output), Pin 4 is GND, Pin 5 is VCC, and Pins 2, 3, 6–8 are not internally connected (N.C.).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RESET | Active-high push-pull output; drives high when VCC ≥ VTH+, low when VCC < VTH− |
| 2 | N.C. | No internal connection; must be left unconnected or tied to GND per layout best practice |
| 3 | N.C. | No internal connection; floating or grounded - no functional impact |
| 4 | GND | Analog and digital ground reference; requires low-impedance PCB connection to minimize noise |
| 5 | VCC | Positive supply input; accepts 1.2V–5.5V; decoupling capacitor (0.1µF) recommended adjacent to pin |
| 6 | N.C. | No internal connection; no routing or termination required |
| 7 | N.C. | No internal connection; avoids unintended parasitic coupling |
| 8 | N.C. | No internal connection; consistent with µMAX/SO pin compatibility with MC33xx series |
Key Features
| Feature | Design Value |
|---|---|
| ±2% accurate reset threshold | Eliminates calibration and reduces BOM count by removing external resistive dividers |
| Active-high push-pull RESET | Directly interfaces to µP reset inputs requiring high-active assertion without pull-up components |
| 35µA supply current | Extends battery runtime in portable scanners and handheld instruments without sacrificing detection speed |
| Immunity to VCC transients | Withstands 100µs negative spikes at 100mV overdrive - no false resets during switching noise |
| Guaranteed operation to 1.2V | Ensures clean reset assertion even as Li-ion batteries discharge below 2.0V nominal |
Applications
| Computers | Controllers |
|---|---|
Use Scenario: Monitoring 3.3V or 2.5V core rails in embedded PCs and industrial HMIs during cold start and brownout. IC Role / Device Role / Timing Role: Precision voltage detector providing immediate active-high reset signal to CPU reset input. Use Value: Prevents firmware corruption by asserting reset before supply drops below µP minimum operating voltage (1.65V). | Use Scenario: Supervising power rails in programmable logic controllers (PLCs) with isolated I/O modules. IC Role / Device Role / Timing Role: Fault-tolerant reset generator ensuring deterministic restart after AC line sags or DC bus dips. Use Value: 30µs response time and ±2% threshold accuracy guarantee compliance with IEC 61000-4-11 immunity requirements. |
| Intelligent Instruments | Portable/Battery-Powered Equipment |
Use Scenario: Power sequencing in handheld multimeters and oscilloscopes with dual-supply analog front-ends. IC Role / Device Role / Timing Role: Independent 2.6V rail monitor triggering system reset when main battery reaches end-of-life. Use Value: 35µA quiescent current extends usable battery life by >15% versus discrete solutions. | Use Scenario: Reset supervision in barcode scanners powered by single-cell Li-ion (2.7–4.2V range). IC Role / Device Role / Timing Role: Active-high push-pull detector interfacing directly to ARM Cortex-M0+ reset pin. Use Value: Eliminates external pull-up resistor, reducing PCB area and assembly cost in space-constrained designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage detector applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6807UR26-T | Same 2.6V threshold, ±2% accuracy, and active-high push-pull output; uses 3-pin SOT23 package instead of 8-pin SO | Requires smaller PCB footprint but lacks N.C. pins for layout flexibility and thermal relief | Select for space-constrained portable designs where board area is premium and SO package is not required |
| TLV803EA26DBZR | 2.63V threshold (±0.5% tighter), 1.8V–6V supply range, 0.5µA IQ, but open-drain output requiring pull-up | Lower power and higher accuracy, but adds external resistor and cannot drive high without pull-up | Select when ultra-low IQ dominates design priority and system reset input tolerates open-drain interface |
Compared with MAX6807UR26-T and TLV803EA26DBZR, the MAX6807SA26 offers SO-package robustness for industrial reflow, guaranteed push-pull drive without external components, and proven transient immunity - making it optimal for production-grade controllers and instrumentation where reliability trumps minimal size or lowest IQ.
Availability
MAX6807SA26 is available at Aetrix Electronics and suitable for computers, controllers, intelligent instruments, and portable/battery-powered equipment requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MAX6807SA26 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, automotive, communications, and computing markets.
The MAX6806/MAX6807/MAX6808 family delivers factory-trimmed voltage detection with push-pull or open-drain outputs, targeting cost-sensitive, space-constrained power monitoring in µP-based systems where external components must be minimized.
FAQ
What is the exact reset threshold voltage of the MAX6807SA26?
The MAX6807SA26 has a factory-trimmed nominal reset threshold of 2.60V with ±2% accuracy (2.548V to 2.652V at +25°C). This threshold applies to falling VCC (VTH−), and internal hysteresis ensures stable switching during supply recovery.
Does the MAX6807SA26 require an external pull-up resistor on its RESET pin?
No. The MAX6807SA26 features an active-high push-pull RESET output, meaning it actively drives high and low without needing an external pull-up. This distinguishes it from open-drain variants like the MAX6808SA26 and simplifies circuit design.
What is the minimum supply voltage at which MAX6807SA26 guarantees valid RESET output?
The MAX6807SA26 guarantees valid RESET output down to VCC = 1.2V. At this level, VOH ≥ 0.8×VCC (≥0.96V) with 20µA source current, ensuring reliable logic-high assertion even during deep brownout conditions.
Can MAX6807SA26 replace MC33064 or MC34064 in existing designs?
Yes - the MAX6807SA26 is pin-compatible with MC33064/MC34064 in the 8-pin SO package (Pins 1–5 mapped identically: RESET, N.C., N.C., GND, VCC). However, MAX6807SA26 offers ±2% threshold accuracy versus ±5% for MC33064, and lower 35µA supply current versus ~100µA.
Is manual reset functionality supported on the MAX6807SA26?
No. Manual reset (MR) input is only available on the 4-pin SOT143 package variants (e.g., MAX6807US26-T). The MAX6807SA26 in 8-pin SO has no MR pin - all unused pins (2,3,6–8) are N.C., and reset is triggered solely by VCC monitoring.
MAX6807SA26 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Simple Reset/Power-On Reset
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 4.6V
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active High
- Reset Timeout:
- 30µs Typical
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX6807SA26 FAQ
1.How can I place an order for MAX6807SA26 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6807SA26 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 MAX6807SA26 reliable?
The price and inventory of MAX6807SA26 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6807SA26 is usually 5 days.
3.What payment methods are accepted for MAX6807SA26?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6807SA26 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6807SA26?
MAX6807SA26 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6807SA26 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 MAX6807SA26?
For technical support, including MAX6807SA26 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6807SA26 requirements.
6.How does Aetrix verify that MAX6807SA26 is sourced from the original manufacturer or authorized distributors?
All MAX6807SA26 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 MAX6807SA26 meets industry standards.
7.What is the process for return or replacement of MAX6807SA26?
All MAX6807SA26 units undergo pre-shipment inspection (PSI). If there is an issue with MAX6807SA26, 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 MAX6807SA26 part is unused and in its original packaging.
Return procedure for MAX6807SA26:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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