MAX9077ESA Maxim Integrated Products, MAX9077ESA Datasheet

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MAX9077ESA

Manufacturer Part Number
MAX9077ESA
Description
Comparator ICs SOT23-8, 3microA, Lo w-Voltage Comparator
Manufacturer
Maxim Integrated Products
Datasheet

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Part Number:
MAX9077ESA
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20 000
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.
TOP VIEW
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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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MAX9077ESA Summary of contents

Page 1

... No Output Phase Inversion for Overdriven Inputs ♦ No Differential Clamp Across Inputs ♦ Available in Ultra-Small Packages 5-Pin SC70 (MAX9075) 8-Pin SOT23 (MAX9077) MAX9075EXK-T ® , MAX9075EUK-T MAX9077EKA-T MAX9077EUA Applications MAX9077ESA * All devices are specified over the -40°C to +85°C tempera- ture range IN- Features Ordering Information PIN- ...

Page 2

Low-Cost, Ultra-Small, 3µA Single-Supply Comparators ABSOLUTE MAXIMUM RATINGS Supply Voltage V to GND........................................................................6V CC All Other Pins to GND...........................-0. Current into Input Pins ......................................................±20mA Duration of Output Short-Circuit to GND or V Continuous Power Dissipation (T = +70°C) ...

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

100mV overdrive PROPAGATION DELAY (t 50mV/div 2V/div 100ns/div PROPAGATION DELAY (t 50mV/div 1V/div 100ns/div TRIANGLE WAVE 50mV/div 1V/div 200µs/div _______________________________________________________________________________________ Low-Cost, Ultra-Small, 3µA Single-Supply Comparators Typical Operating Characteristics (continued) = +25°C, ...

Page 6

Low-Cost, Ultra-Small, 3µA Single-Supply Comparators PIN MAX9075 MAX9077 SOT23 SC70 µMAX/SO SOT23 1 1 — — — — — — — — — — — 5 — ...

Page 7

Choose the threshold voltage for V this example, choose V = 3V. THR 5) Calculate R2 as follows {[ ✕ R1)] - 1/R1 - 1/R3} = THR REF 1 / {[3 / (1.2 ...

Page 8

... 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. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2007 Maxim Integrated Products Package Information ...

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