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Part Number: MAX9028
Description: The MAX9025MAX9028 nanopower comparators in space-saving chip-scale (UCSP™) packages feature Bey...
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MAX9028
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DataSheet
General Description
MAX9028 General Description
The MAX9025MAX9028 nanopower comparators in space-saving chip-scale (UCSP™) packages feature Beyond-the-Rails™ inputs and are guaranteed to operate down to +1.8V. The MAX9025/MAX9026 feature an on-board 1.236V ±1% reference and draw an ultra-low supply current of only 1A, while the MAX9027/ MAX9028 (without reference) require just 0.6A of supply current. These features make the MAX9025MAX9028 family of comparators ideal for all 2-cell batterymonitoring/ management applications.
The unique design of the output stage limits supplycurrent surges while switching, virtually eliminating the supply glitches typical of many other comparators. This design also minimizes overall power consumption under dynamic conditions. The MAX9025/MAX9027 have a push-pull output stage that sinks and sources current.Large internal-output drivers allow rail-to-rail output swing with loads up to 5mA. The MAX9026/MAX9028 have an open-drain output stage that makes them suitable for mixed-voltage system design. All devices are available in the miniature 6-bump UCSP packages.
Refer to the MAX9117 data sheet for similar comparators in 5-pin SC70 packages and the MAX9017 data sheet for similar dual comparators in 8-pin SOT23 packages.
MAX9028 Maximum Ratings
Supply Voltage (VCC to VEE)...............................................+6V
Voltage Inputs (IN+, IN-, REF) .......(VEE - 0.3V) to (VCC + 0.3V)
Output Voltage
MAX9025/MAX9027....................(VEE - 0.3V) to (VCC + 0.3V)
MAX9026/MAX9028..................................(VEE - 0.3V) to +6V
Current into Input Pins .....................................................20mA
Output Current...............................................................±50mA
Output Short-Circuit Duration ..............................................10s
Continuous Power Dissipation (TA = +70°C)
6-Bump UCSP (derate 3.9mW/°C above +70°C).....308mW
Operating Temperature Range .......................-40°C to +85°C
Junction Temperature....................................................+150°C
Storage Temperature Range ........................-65°C to +150°C
Bump Temperature (soldering) Reflow..........................+235°C
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.
MAX9028 Features
`Space-Saving UCSP Package (1mm x 1.52mm)
`Ultra-Low Supply Current
0.6A (MAX9027/MAX9028)
1A with Reference (MAX9025/MAX9026)
`Guaranteed to Operate Down to +1.8V
`Internal 1.236V ±1% Reference (MAX9025/MAX9026)
`Input Voltage Range Extends 200mV Beyond-the-Rails
`CMOS Push-Pull Output with ±5mA Drive Capability (MAX9025/MAX9027)
`Open-Drain Output Versions Available (MAX9026/MAX9028)
`Crowbar-Current-Free Switching
`Internal Hysteresis for Clean Switching
`No Phase Reversal for Overdriven Inputs
`Ultra-Low Supply Current
0.6A (MAX9027/MAX9028)
1A with Reference (MAX9025/MAX9026)
`Guaranteed to Operate Down to +1.8V
`Internal 1.236V ±1% Reference (MAX9025/MAX9026)
`Input Voltage Range Extends 200mV Beyond-the-Rails
`CMOS Push-Pull Output with ±5mA Drive Capability (MAX9025/MAX9027)
`Open-Drain Output Versions Available (MAX9026/MAX9028)
`Crowbar-Current-Free Switching
`Internal Hysteresis for Clean Switching
`No Phase Reversal for Overdriven Inputs
MAX9028 Typical Application
·2-Cell Battery Monitoring/Management
·Ultra-Low-Power Systems
·Mobile Communications
·Notebooks and PDAs
·Sensing at Ground or Supply Line
·Telemetry and Remote Systems
·Medical Instruments
·Ultra-Low-Power Systems
·Mobile Communications
·Notebooks and PDAs
·Sensing at Ground or Supply Line
·Telemetry and Remote Systems
·Medical Instruments
MAX9028
PDF/DataSheet Download
- Datasheet: MAX9028
- File Size: 378947 KB
- Manufacturer: MAXIM
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MAX9028 Relative Products
MAX9027EBT+T
IC COMPARATOR BTR 6-UCSP
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The MAX9027 nanopower comparators in space-saving chip-scale (UCSP™) packages feature Beyond-the-Rails™ inputs and are guaranteed to operate down to +1.8V. The MAX9025/MAX9026 feature an on-board 1.236V ±1% reference and draw an ultra-low supply ...
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The MAX9026 nanopower comparators in space-saving chip-scale (UCSP™) packages feature Beyond-the-Rails™ inputs and are guaranteed to operate down to +1.8V. The MAX9025/MAX9026 feature an on-board 1.236V ±1% reference and draw an ultra-low supply ...
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MAX9025EBT+T
IC COMPARATOR BTR 6-UCSP
MAX9025
The MAX9025MAX9028 nanopower comparators in space-saving chip-scale (UCSP™) packages feature Beyond-the-Rails™ inputs and are guaranteed to operate down to +1.8V. The MAX9025/MAX9026 feature an on-board 1.236V ±1% reference and draw an ultra-low ...
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