MAX9075 Maxim, MAX9075 Datasheet

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MAX9075

Manufacturer Part Number
MAX9075
Description
The MAX9075/MAX9077 single/dual comparators are optimized for 3V and 5V single-supply applications
Manufacturer
Maxim
Datasheet

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The MAX9075/MAX9077 single/dual comparators are
optimized for 3V and 5V single-supply applications.
These comparators have a 580ns propagation delay and
consume just 3µA per comparator. The combination of
low-power, single-supply operation down to 2.1V, and
ultra-small footprint makes these devices ideal for all
portable applications.
The MAX9075/MAX9077 have a common-mode input
voltage range of -0.2V to V
parators, there is no differential clamp between the
inputs, allowing the differential input voltage range to
extend rail-to-rail. All inputs and outputs tolerate a con-
tinuous short-circuit fault condition to either rail.
The design of the output stage limits supply-current
surges while switching (typical of many other compara-
tors), minimizing power consumption under dynamic
conditions. Large internal push-pull output drivers allow
rail-to-rail output swing with loads up to 2mA, making
these devices ideal for interface with TTL/CMOS logic.
The MAX9075 single comparator is available in 5-pin
SC70 and SOT23 packages, while the MAX9077
dual comparator is available in 8-pin SOT23, µMAX
and SO packages.
19-1547; Rev 3; 1/07
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Pin Configurations continued at end of data sheet.
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GND
OUT
IN+
________________________________________________________________ Maxim Integrated Products
1
2
3
SC70-5/SOT23-5
General Description
MAX9075
Pin Configurations
CC
- 1.2V. Unlike many com-
Applications
5
4
V
IN-
CC
Single-Supply Comparators
Low-Cost, Ultra-Small, 3µA
®
,
♦ 580ns Propagation Delay from Only 3µA
♦ 2.1V to 5.5V Single-Supply Operation
♦ Ground-Sensing Inputs
♦ Rail-to-Rail Outputs
♦ No Output Phase Inversion for Overdriven Inputs
♦ No Differential Clamp Across Inputs
♦ Available in Ultra-Small Packages
*
ture range.
All devices are specified over the -40°C to +85°C tempera-
MAX9075EUK-T
MAX9077EUA
MAX9077ESA
MAX9075EXK-T
MAX9077EKA-T
5-Pin SC70 (MAX9075)
8-Pin SOT23 (MAX9077)
V
PART*
IN
V
REF
Typical Operating Circuit
IN+
IN-
PIN-
PACKAGE
5 SC70-5
5 SOT23-5
8 SOT23-8
8 µMAX
8 SO
Ordering Information
GND
V
V
CC
CC
MAX9075
MAX9077
MARK
OUT
AAAD
ADLX
TOP
AAC
Features
CODE
PKG
U5-1
U8-1
X5-1
K8-2
S8-4
1

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MAX9075 Summary of contents

Page 1

... Large internal push-pull output drivers allow rail-to-rail output swing with loads up to 2mA, making these devices ideal for interface with TTL/CMOS logic. The MAX9075 single comparator is available in 5-pin SC70 and SOT23 packages, while the MAX9077 dual comparator is available in 8-pin SOT23, µMAX and SO packages ...

Page 2

... Propagation Delay High to Low t PD- Rise/Fall Time Note 1: All devices are 100% production tested at T Note 2: Inferred from CMRR. Either input can be driven to the absolute maximum limit without output inversion, as long as the other input is within the input voltage range. Note 3: Guaranteed by design. 2 _______________________________________________________________________________________ 5-Pin SOT23 (derate 7.1mW/° ...

Page 3

100mV overdrive OUTPUT-VOLTAGE LOW vs. SINK CURRENT (V = 2.1V) CC 3.0 2.5 2 +25° +85°C 1 -40° ...

Page 4

Low-Cost, Ultra-Small, 3µA Single-Supply Comparators ( 100mV overdrive SUPPLY CURRENT vs. TEMPERATURE (OUT = LOW) 4.0 3 2.1V CC ...

Page 5

... OUT -55 PROPAGATION DELAY (t ) PD- MAX9075/7 toc20 OUT 100ns//div PROPAGATION DELAY (t ) PD- MAX9075/7 toc22 OUT 100ns/div INPUT BIAS CURRENT vs. TEMPERATURE 2.1V CC -35 - TEMPERATURE (°C) ...

Page 6

... Both comparators offer a push-pull output that sinks and sources current. Comparator Output The MAX9075/MAX9077 are designed to maintain a low-supply current during repeated transitions by limit- ing the shoot-through current. Noise Considerations, Comparator Input The input common-mode voltage range for these devices extends from -0 ...

Page 7

... Minimize signal trace lengths to reduce stray capacitance. Minimize the capacitive coupling between IN- and OUT. For slow- moving input signals (rise time > 1ms) use a 1nF capacitor between IN+ and IN-. Chip Information MAX9075 TRANSISTOR COUNT: 86 MAX9077 TRANSISTOR COUNT: 142 _______________________________________________________________________________________ Low-Cost, Ultra-Small, 3µA Single-Supply Comparators rising (V ) ...

Page 8

... Revision History Pages changed at Rev 3: 1– Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. ...

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