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Analog Devices Inc./Maxim Integrated MAX6807SA46
- Part No.:
- MAX6807SA46
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX6807SA46.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:8,358
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Product details
Overview
MAX6807SA46 from Maxim Integrated is an active-high, push-pull voltage detector IC designed for precise power-supply monitoring in microprocessor-based systems. It asserts a logic-high RESET signal when VCC falls below 4.6V (±2% accuracy), guarantees valid output down to VCC = 1.2V, draws only 35µA supply current, and operates across –40°C to +85°C - ideal for critical µP power monitoring in portable equipment and intelligent instruments.
For engineers reviewing the MAX6807SA46 datasheet, MAX6807SA46 pinout, MAX6807SA46 application, or MAX6807SA46 equivalent, this page delivers verified electrical behavior, package-specific terminal mapping, real-world use cases, and validated alternative options for reset supervision in battery-powered and industrial embedded designs.
Technical Context
The MAX6807SA46 implements a precision bandgap-based voltage reference with internal hysteresis (20–30mV) to prevent output oscillation during supply transients near the 4.6V threshold. Its active-high push-pull output drives directly into CMOS inputs without external pull-up components.
It features immunity to negative-going VCC transients up to 100µs at 50mV overdrive and supports manual reset only in SOT143 packages - not applicable to the SO-8 variant. The SO-8 footprint (8-pin SO) matches MC33064/MC34064 family layouts for drop-in compatibility in legacy supervisory designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 4.6V ±2% (VTH−), ensuring reliable assertion before 5V system ICs drop below minimum operating voltage |
| Supply Voltage Range | 1.2V to 5.5V - enables operation during brownout recovery and full-system power sequencing |
| Supply Current | 35µA typical at 3.6V - minimizes quiescent load on battery or low-power rails |
| Output Type | Active-high, push-pull - eliminates need for external pull-up and ensures fast, low-impedance logic-high drive |
| Reset Delay | 30µs typical (VCC falling at 1mV/µs) - provides deterministic timing for µP initialization |
| Operating Temperature | –40°C to +85°C - qualified for industrial and extended-temperature embedded applications |
| Threshold Tempco | 30ppm/°C - maintains accuracy across temperature without calibration |
Pinout & Package
MAX6807SA46 is housed in an 8-pin SO (Small Outline) package with standard 1.27mm pitch, RoHS-compliant, and pin-compatible with MC33064/MC34064 supervisory circuits.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RESET | Active-high push-pull output - drives high when VCC ≥ 4.6V, low when VCC < 4.6V |
| 2 | VCC | Positive supply input - powers internal reference and output stage; valid from 1.2V to 5.5V |
| 3–4, 6–8 | N.C. | No internal connection - must be left unconnected; no routing or termination required |
| 5 | GND | Ground reference - return path for supply and output current; requires low-impedance PCB connection |
Key Features
| Feature | Design Value |
|---|---|
| ±2% accurate 4.6V threshold | Guarantees reset assertion before 5V ±5% supplies fall outside regulation limits, protecting downstream logic |
| Active-high push-pull output | Drives high-impedance CMOS inputs directly without pull-up resistors, reducing BOM count and board space |
| 35µA supply current | Enables long battery life in portable scanners and handheld instruments without sacrificing supervision reliability |
| Internal hysteresis (20–30mV) | Prevents chatter during slow-rising/falling VCC transitions near threshold, eliminating false resets |
| Immunity to VCC transients | Rejects negative-going spikes ≤100µs at 50mV overdrive - avoids spurious resets in noisy power environments |
Applications
| Bar-Code Scanners | Portable/Battery-Powered Equipment |
|---|---|
Use Scenario: Power cycling during intermittent battery discharge and USB charging events. IC Role / Device Role / Timing Role: Voltage detector asserting active-high RESET to hold µP in reset until stable 5V rail is established. Use Value: Prevents corrupted firmware execution during marginal VCC conditions, enabling reliable cold-start recovery. |
Use Scenario: Deep-sleep wake-up sequences where supply ramps slowly from backup coin cell or energy-harvesting source. IC Role / Device Role / Timing Role: Supervisory circuit validating main VCC ≥ 4.6V before releasing µC from reset and enabling peripherals. Use Value: Ensures deterministic boot timing and eliminates race conditions between power ramp and clock stabilization. |
| Critical µP and µC Power Monitoring | Intelligent Instruments |
Use Scenario: Industrial control modules requiring fail-safe restart after AC line sags or DC bus dips. IC Role / Device Role / Timing Role: Precision reset supervisor detecting 4.6V threshold violation and generating clean, glitch-free RESET pulse. Use Value: Meets IEC 61000-4-11 immunity requirements by rejecting short transients and guaranteeing monotonic reset behavior. |
Use Scenario: Handheld multimeters and data loggers operating from dual Li-ion cells with variable discharge profiles. IC Role / Device Role / Timing Role: Active-high voltage monitor interfacing directly to µP's dedicated reset pin without level-shifting. Use Value: Eliminates external components while maintaining ±2% threshold accuracy across –10°C to +60°C operating range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage detection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6806SA46 | Active-low push-pull output; RESET valid down to VCC = 1.0V (vs. 1.2V for MAX6807SA46) | Requires inverted logic handling at µP reset input; suitable where active-low reset is natively supported | Select when system design uses active-low reset architecture and lower VCC validity is needed |
| MC34064P-4G | 4.6V threshold, active-low open-drain output; higher 80µA supply current; no hysteresis spec listed | Requires external pull-up resistor; less transient immunity; wider tempco (50ppm/°C) | Choose for legacy SO-8 footprint compatibility where cost sensitivity outweighs accuracy and quiescent current demands |
Compared with MAX6806SA46 and MC34064P-4G, the MAX6807SA46 offers superior threshold accuracy (±2% vs. ±3%), lower quiescent current (35µA vs. 80µA), and guaranteed active-high push-pull drive - simplifying interface design and improving power efficiency in modern µP systems.
Availability
MAX6807SA46 is available at Aetrix Electronics and suitable for bar-code scanners, portable/battery-powered equipment, and critical µP and µC power monitoring requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.
Supply support for MAX6807SA46 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 and mixed-signal ICs for power management, sensing, and interface applications in industrial, computing, and consumer systems.
The MAX6806/MAX6807/MAX6808 family targets cost-sensitive, space-constrained power supervision - delivering factory-trimmed voltage detection with minimal external components for µP reset generation.
FAQ
What is the reset threshold voltage of MAX6807SA46?
The MAX6807SA46 has a factory-preset nominal reset threshold of 4.6V with ±2% accuracy over temperature. This means the actual trip point falls between 4.508V and 4.692V at +25°C, and remains stable across –40°C to +85°C with a tempco of 30ppm/°C. The threshold is defined on the falling edge of VCC (VTH−), and internal hysteresis ensures clean switching without chatter.
Does MAX6807SA46 support manual reset functionality?
No, MAX6807SA46 does not support manual reset. Manual reset (MR) is only available on the 4-pin SOT143 variants (e.g., MAX6807US46-T), which include a dedicated MR pin with internal 80kΩ pulldown. The MAX6807SA46 is an 8-pin SO package with pins 1–5 and 6–8 assigned to RESET, VCC, GND, and N.C. - no MR terminal is present or functional.
What is the minimum VCC required for MAX6807SA46 to guarantee valid RESET output?
MAX6807SA46 guarantees valid RESET output down to VCC = 1.2V. Below this voltage, the push-pull output may not maintain proper logic levels. This specification ensures reliable reset assertion during brownout conditions common in battery-powered systems, where VCC can sag temporarily but remain above 1.2V before full shutdown.
Is MAX6807SA46 pin-compatible with older supervisory ICs?
Yes, MAX6807SA46 in the 8-pin SO package is pin-compatible with MC33064, MC33164, MC34064, and MC34164. Pin 1 is RESET, pin 2 is VCC, pin 5 is GND, and pins 3, 4, 6–8 are N.C. - matching the same pinout and footprint. This allows direct replacement in existing designs without PCB changes.
What is the supply current consumption of MAX6807SA46 under typical operating conditions?
MAX6807SA46 draws 35µA typical supply current at VCC = 3.6V and room temperature. At VCC = 5.5V, typical current rises to 50µA, with a maximum of 80µA across temperature and voltage extremes. This ultra-low quiescent current makes it suitable for always-on supervision in portable and energy-sensitive applications.
MAX6807SA46 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
MAX6807SA46 FAQ
1.How can I place an order for MAX6807SA46 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6807SA46 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 MAX6807SA46 reliable?
The price and inventory of MAX6807SA46 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6807SA46 is usually 5 days.
3.What payment methods are accepted for MAX6807SA46?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6807SA46 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6807SA46?
MAX6807SA46 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6807SA46 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 MAX6807SA46?
For technical support, including MAX6807SA46 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6807SA46 requirements.
6.How does Aetrix verify that MAX6807SA46 is sourced from the original manufacturer or authorized distributors?
All MAX6807SA46 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 MAX6807SA46 meets industry standards.
7.What is the process for return or replacement of MAX6807SA46?
All MAX6807SA46 units undergo pre-shipment inspection (PSI). If there is an issue with MAX6807SA46, 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 MAX6807SA46 part is unused and in its original packaging.
Return procedure for MAX6807SA46:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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