MAX40001ANT12+

MAX40001ANT12+ Datasheet


MAX40000/MAX40001

Part Datasheet
MAX40001ANT12+ MAX40001ANT12+ MAX40001ANT12+ (pdf)
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MAX40000/MAX40001

EVALUATION KIT AVAILABLE
1.7V, nanoPower Comparators with Built-In Reference

The MAX40000/MAX40001 are tiny, single comparators with built-in voltage references that are ideal for a wide variety of portable electronics applications, such as cell phones, portable instruments, and notebooks that have extremely tight board space and power constraints. The MAX40000/MAX40001 are available in a 6-bump waferlevel package WLP with 1.11mm x 0.76mm footprint and a 6-pin SOT23 package. The MAX40000 has a push-pull output and the MAX40001 has an open-drain output.

The devices offer a supply voltage range from 1.7V to 5.5V and consume only 0.9µA of supply current. They also feature internal filtering to provide high RF immunity, important in many portable applications.
The devices have a high-precision integrated reference that is factory trimmed to an initial accuracy of 1% and better than over the entire temperature range. Internal reference voltage options include 1.252V, 1.66V, 1.94V, and 2.22V. See Ordering Information for help with ordering a MAX40000/MAX40001 with a particular voltage reference value and package type. The reference output is stable for capacitive loads up to 100pF.

These devices are fully specified over -40°C to +125°C automotive temperature range.
●● Cell Phones ●● Tablets and Consumer Accessories ●● Notebook Computers ●● Electronic Toys ●● Portable Medical Instruments/Wearables ●● Level Detectors

Benefits and Features
●● Micropower Operating Current 0.9µA typ, 1.7µA max Preserves Battery Power
●● Tiny 1.11mm x 0.76mm 6-Bump WLP and SOT23 Packages Save Board Space
●● Internal Precision Reference Saves Space and Cost of an External Reference
• < 1% at Room Temperature, < Over Temp Reference
• Multiple Reference Voltages 1.252V, 1.66V, 1.94V, and 2.22V
●● Input Voltage Range = -0.2V to 5.7V ●● Supply Voltage Range 1.7V to 5.5V Allows

Operation from 1.8V, 2.5V, 3V, and 5V Supplies ●● < 10µs Propagation Delay ●● Push-Pull MAX40000 or Open-Drain MAX40001

Outputs
Ordering Information appears at end of data sheet.

MAX40000/MAX40001
1.7V, nanoPower Comparators with Built-In Reference

Absolute Maximum Ratings

VDD to GND to +6V REF to +6V IP, IM to GND to +6V IP to IM OUT open-drain to GND to +6V OUT push-pull to GND ..............................-0.3V to VDD + 0.3V Output Short-Circuit 10s Continuous Current Into Any Input Pin................................20mA Continuous Current Into/Out of Any Output Pin..................50mA

Continuous Power Dissipation TA = +70°C Maximum Power Dissipation WLP, derate 10.2mW/°C above +70°C ......................816mW

Maximum Power Dissipation SOT23, derate 4.3mW/°C above +70°C .................347.8mW

Operating Temperature Range.......................... -40°C to +125°C Junction Temperature Storage Temperature Range............................. -65°C to +150°C Lead Temperature soldering, 10s .................................. +300°C Soldering Temperature

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Package Thermal Characteristics Note 1

WLP Junction-to-Ambient Thermal Resistance

SOT23 Junction-to-Ambient Thermal Resistance Junction-to-Case Thermal Resistance ...............76°C/W

Note 1 Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to

Electrical Characteristics

VDD = 3.3V, VCM = 0V, RPULLUP = 100kΩ from OUT to VPULLUP = 3.3V for MAX40001 only , TA = TMIN to TMAX. Typical values are at TA = +25°C, unless otherwise noted. Note 2

PARAMETER

POWER SUPPLY VOLTAGE

VDD Supply Voltage Range

VDD Supply Current

Power-Up Time COMPARATOR

CONDITIONS

VREF < 1.8V, guaranteed by PSRR specification VREF > 1.8V, guaranteed by PSRR specification No output or reference load current, TA = -40°C to +125°C

Input Common-Mode Voltage Range

Input Offset Voltage

Input Offset Drift Input Hysteresis

VCM VOS

TA = +25°C

TA = -40°C to +125°C VCM = 0V to VDD -1V Note 3 VCM = VDD -1 to VDD, TA = 0°C to +85°C Note 3

VCM = VDD -1 to VDD, TA = -40°C to +125°C Note 3

VHYS

Note 4

MIN VREF +

TYP MAX

VDD + VDD 8

UNITS

V µA µs V
mV µV/°C

Maxim Integrated 2

MAX40000/MAX40001
1.7V, nanoPower Comparators with Built-In Reference

Electrical Characteristics continued
The MAX40000/MAX40001 feature an on-board voltage reference with ±1% initial accuracy. This family of comparators with internal references are available in multiple voltage reference options. The Ordering Information table provides exact part numbers associated with a particular voltage reference option. The commonmode voltage range of this family extends 200mV beyond the rails, allowing signals slightly beyond the rails to trigger the comparator. The 2.5mV internal hysteresis ensures clean output switching even with slow moving input signals. Large internal output drivers allow rail-to-rail output swing with up to ±2mA loads.

The output stage employs a unique design that minimizes supply current surges while switching, virtually eliminating supply glitches typical of many other comparators. The MAX40000 has a push-pull output stage that sinks as well as sources current. The MAX40001 has an opendrain output stage that can be pulled beyond VDD to a maximum of 5.5V above GND. Multiple comparators with open-drain outputs OUT can be connected together in parallel and share a single pullup resistor. This enables user to detect if there is any fault if at least one comparator trips different to other comparators.

Input Stage Circuitry

The input common-mode voltage range extends from - 0.2V to VDD + 0.2V. These comparators operate at any differential input voltage within these limits. Input bias current is typically ±1nA if the input voltage is between the supply rails.

Output Stage Structure

The devices contain a unique break-before-make output stage capable of rail-to-rail operation with up to ±2mA loads. Many comparators consume orders of magnitude more current during switching than during steady-state operation. In the Typical Operating Characteristics, the Supply Current vs. Output Transition Frequency graphs show the minimal supply-current increase as the output switching frequency approaches 1kHz. This characteristic reduces the need for power-supply filter capacitors to reduce glitches created by comparator switching currents. In battery-powered applications, this characteristic results in a substantial increase in battery life.

Voltage Reference

The MAX40000/MAX40001 come with different internal voltage reference options that has initial accuracy of 1.252V, 1.6V, 1.9V, and 2.2V options of internal voltage references are available. The devices’ internal reference has a typical temperature coefficient of 15ppm/°C over the full -40°C to +125°C temperature range. The reference is a very-low-power bandgap cell, with a maximum 10kΩ output impedance. REF pin can source and sink up to 100nA to external circuitry. For applications that need increased drive, buffer REF with a low input-bias current op amp such as the MAX44265. Most applications require no bypass capacitor on REF pin.

Maxim Integrated 10

MAX40000/MAX40001
1.7V, nanoPower Comparators with Built-In Reference

Applications Information

Battery-Powered Operation

The MAX40000 and MAX40001 are ideally suited for use with most battery-powered systems. Table 1 lists Alkaline and Lithium-Ion batteries with capacities and approximate operating times for MAX40000 and MAX40001, assuming nominal conditions.

Internal Hysteresis

Many comparators oscillate in the linear region of operation because of noise or undesired parasitic feedback. This tends to occur when the voltage on one input is equal or very close to the voltage on the other input. The MAX40000/MAX40001 have internal 2.5mV hysteresis to counter parasitic effects and noise.

Adding External Hysteresis

In applications requiring more than the internal 2.5mV hysteresis of the devices, additional hysteresis can be added with two external resistors. Since these comparators are intended to use in very low-power systems, care must be taken to minimize power dissipation in the additional circuitry.

Regardless of which approach is employed to add external hysteresis, the external hysteresis will be VDD dependent. Over the full discharge range of battery-powered systems, the hysteresis can change as much as

Figure 2 shown below is simplest circuit for adding external hysteresis. In this example, the hysteresis is defined by:

Hystere= sis

RG RF

Where RG is the source resistance and RF is the feedback resistance. Because the comparison threshold is 1/2 VDD, the MAX40000 was chosen for its push-pull output and lack of reference. This provides symmetrical hysteresis around the threshold.

VTRIP+ VHYS VTRIP-

Figure Hysteresis Band

IP VOS = VTRIP+ + VTRIP- /2 IM

Table Battery Applications Using MAX40000 and MAX40001

BATTERY TYPE

Alkaline 2 Cells Lithium-Ion 1 Cell

RECHARGEABLE

No Yes

VINITIAL V

VEND-OF-LIFE V

CAPACITY, AA SIZE mAh
2000
1000

MAX40000/MAX40001 OPERATING TIME hr
x 106
x 106

Maxim Integrated 11

MAX40000/MAX40001
Ordering Information

PART

TEMP RANGE

PIN-

PACKAGE MARK

MAX40000ANT12+T -40°C to +125°C 6 WLP

MAX40000ANT16+T* -40°C to +125°C 6 WLP

MAX40000ANT19+T* -40°C to +125°C 6 WLP

MAX40000ANT22+T* -40°C to +125°C 6 WLP

MAX40000AUT12+T -40°C to +125°C 6 SOT23

MAX40000AUT16+T* -40°C to +125°C 6 SOT23

MAX40000AUT19+T* -40°C to +125°C 6 SOT23

MAX40000AUT22+T* -40°C to +125°C 6 SOT23

MAX40001ANT12+T -40°C to +125°C 6 WLP

MAX40001ANT16+T* -40°C to +125°C 6 WLP

MAX40001ANT19+T* -40°C to +125°C 6 WLP

MAX40001ANT22+T -40°C to +125°C 6 WLP

MAX40001AUT12+T* -40°C to +125°C 6 SOT23

MAX40001AUT16+T* -40°C to +125°C 6 SOT23

MAX40001AUT19+T* -40°C to +125°C 6 SOT23

MAX40001AUT22+T -40°C to +125°C 6 SOT23
+Denotes a lead Pb -free/RoHS-compliant package.

T = Tape and reel.

For example, the MAX40000ANT12+T has an onboard 1.2V reference voltage.

Devices without “_” use external reference voltage as supply voltage.
*Future factory for availability.

Chip Information

PROCESS BiCMOS

Package Information

For the latest package outline information and land patterns footprints , go to Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status.

PACKAGE TYPE
6 WLP
6 SOT23

PACKAGE CODE

N60D1+1

U6+1

OUTLINE NO.
21-100086
21-0058

LAND PATTERN NO.

Refer to Application Note 1891
Initial release Updated title to include “nanoPower” Updated Ordering Information table Updated Ordering Information table

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For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim Integrated’s website at

Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values min and max limits shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.

Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.  2017 Maxim Integrated Products, Inc. 14
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Datasheet ID: MAX40001ANT12+ 647333