MAX9015, MAX9016, MAX9017, MAX9018, MAX9019, MAX9020 SOT23, Dual, Precision, 1.8V, Nanopower Comparators With/Without Reference

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The single MAX9015/MAX9016 and dual MAX9017–MAX9020 nanopower comparators in space-saving SOT23 packages feature Beyond-the-Rails™ inputs and are guaranteed to operate down to 1.8V. The A-grade packages feature an on-board 1.236V ±1% reference, while the B-grade packages feature a 1.24V ±1.75%5 reference. An ultra-low supply current of 0.85µA (MAX9019/MAX9020), 1µA (MAX9015/MAX9016), or 1.2µA (MAX9017/MAX9018) makes the MAX9015–MAX9020 family of comparators ideal for all 2-cell battery monitoring/management applications.

The unique design of the MAX9015–MAX9020 output stage limits supply-current surges while switching, which virtually eliminates the supply glitches typical of many other comparators. This design also minimizes overall power consumption under dynamic conditions. The MAX9015/MAX9017/MAX9019 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 6mA. The MAX9016/MAX9018/MAX9020 have an open-drain output stage that makes them suitable for mixed-voltage system design. All devices are available in the ultra-small 8-pin SOT23 package.

Refer to the MAX9117–MAX9120 data sheet for similar single comparators with or without reference in a tiny SC70 package.

Key Features

Applications/Uses

Ultra-Low Total Supply Current
- 0.85µA (MAX9019/MAX9020)
- 1.0µA (MAX9015A/MAX9016A)
- 1.2µA (MAX9017/MAX9018)
Guaranteed Operation Down to 1.8V
Precision V_OS < 5mV (max)
Internal 1.236V ±1% Reference (A Grade)
Input Voltage Range Extends 200mV Beyond-the-Rails
CMOS Push-Pull Output with ±6mA Drive Capability (MAX9015/MAX9017/MAX9019)
Open-Drain Output Versions Available (MAX9016/MAX9018/MAX9020)
Crowbar-Current-Free Switching
Internal 4mV Hysteresis for Clean Switching
No Phase Reversal for Overdriven Inputs
Dual Versions in Space-Saving 8-Pin SOT23 Package

	2-Cell Battery Monitoring/Management
	Discriminators
	Medical Instruments
	Mobile Communications
	Notebooks and PDAs
	Sensing at Ground or Supply Line
	Telemetry and Remote Systems
	Threshold Detectors
	Ultra-Low Power Systems
	Window Detectors

Key Specifications: Comparators

Part Number

Number per Pkg.

Typ Prop. Delay (ns)

Input CMVR to Neg. Rail

Min. Total Supply (V)

Max. Total Supply (V)

Max. Supply Current per Comp. (µA)

Typ V_OS (mV)

Logic Output

Latched Outputs

Complementary Outputs

Package

Smallest Available Package (max w/pins) (mm²)

Operating Temp. Range (°C)

Price^*

MAX9019

30000

Yes

1.8

5.5

0.75

0.15

CMOS

SOT-23/8

-40 to +85

$0.58 @ 1k

MAX9020

Open Drain

$0.58 @ 1k

See All Comparators (82)

Key Specifications: Comparators + Reference

Part Number

Comps. per Pkg.

Threshold (V)

Number of Inputs / Thresholds (V)

Threshold Accuracy (%)

Internal Reference Accuracy (%)

Typ Prop. Delay (µs)

Supply Voltage (min) (V)

Supply Voltage (max) (V)

Max. Total Supply Current (µA)

Comp. Inputs Available

Prog. Hyst.

Typ V_OS (mV)

V_OS (max) (mV)

Logic Output

Package

Smallest Available Package (max w/pins) (mm²)

Operating Temp. Range (°C)

Price^*

MAX9015A

1.24

1/2.40

1.8

5.5

1.5

Both

0.15

Push-Pull

SOT-23/8

-40 to +85

$0.75 @ 1k

MAX9016A

1.5

Both

Open Drain

$0.75 @ 1k

MAX9017A

1.9

2 NonInv + 1Inv + 1Inv (toREF)

Push-Pull

$1.00 @ 1k

MAX9017B

1.75

1.9

2 NonInv + 1Inv + 1Inv (toREF)

Push-Pull

$0.80 @ 1k

MAX9018A

1.9

2 NonInv + 1Inv + 1Inv (toREF)

Open Drain

$1.00 @ 1k

MAX9018B

1.75

1.9

2 NonInv + 1Inv + 1Inv (toREF)

Open Drain

$0.80 @ 1k

See All Comparators + Reference (38)

Notes:
^*This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.