MAX965, MAX966, MAX967, MAX968, MAX969, MAX970 Single/Dual/Quad, Micropower, Ultra-Low-Voltage, Rail-to-Rail I/O Comparators

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The MAX965–MAX970 single/dual/quad micropower comparators feature rail-to-rail inputs and outputs, and fully specified single-supply operation down to +1.6V. These devices draw less than 5µA per comparator and have open-drain outputs that can be pulled beyond V_CC to 6V (max) above ground. In addition, their rail-to-rail input common-mode voltage range makes these comparators suitable for ultra-low-voltage operation.

A +1.6V to +5.5V single-supply operating voltage range makes the MAX965 family of comparators ideal for 2-cell battery-powered applications. The MAX965/MAX967/MAX968/MAX969 offer programmable hysteresis and an internal 1.235V ±1.5% reference. All devices are available in either space-saving 8-pin µMAX® or 16-pin QSOP packages.

Key Features

Applications/Uses

Ultra-Low Single-Supply Operation down to +1.6V
Rail-to-Rail Common-Mode Input Voltage Range
3µA Quiescent Supply Current per Comparator
Open-Drain Outputs Swing Beyond V_CC
1.235V ±1.5% Precision Internal Reference (MAX965/967/968/969)
10µs Propagation Delay (50mV overdrive)
Available in Space-Saving Packages:
- 8-Pin µMAX (MAX965–MAX968)
- 16-Pin QSOP (MAX969/MAX970)

	2-Cell Battery-Powered/Portable Systems
	Ground/Supply Sensing
	Mobile Communications
	Threshold Detectors/Discriminators
	Voltage-Level Translation
	Window Comparators

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)

Input Voltage Range (V)

V_OS (max) (mV)

Logic Output

Price^**

MAX966

10000

Yes

1.6

5.5

V_EE-0.25 to V_CC-0.25

Open Drain

$1.05 @ 1k

MAX970

4.5

$1.60 @ 1k

See All Comparators (83)

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.

V_OS (max) (mV)

Logic Output

Price^**

MAX965

1.22

1 / 1.22

1.83

1.5

1.6

5.5

Both

Yes

Open Drain

$1.05 @ 1k

MAX967

2 / 1.22

Noninv.

$1.30 @ 1k

MAX968

2 / 1.22

1 Inv. + 1 Noninv.

$1.30 @ 1k

MAX969

4 / 1.22

Both

$1.95 @ 1k

See All Comparators + Reference (42)

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.