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MAX9075EXK-T-MAX9077EKA-T-MAX9077ESA
Low-Cost / Ultra-Small / 3A Single-Supply Comparators
19-754 7' Rev (Y 70/99
Single-Supply Comparators
General Description
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 3pA per comparator. The combination of
Iowepower, 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 70.2V to Vcc - 1.2V. Unlike many com-
parators, there is no differential clamp between the
inputs, allowing the differential input voltage range to
extend Rail-to-Rails. All inputs and oulpuls tolerate a
continuous 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 SOT23-5 packages, while the MAX9077 dual
comparator is available in 8-pin SOT23-8 and SO
packages.
Applications
Battery-Powered Systems
Threshold Detectors/Discriminators
Keyless Entry Systems
IR Receivers
Digital Line Receivers
Pin Configurations
TOP VIEW
OUT I:
GND fl
IN E l] W
SC70-5ISOT23-5
l] Vcc
MAX9075
Pin Configurations continued at end of data sheet.
2flMLa2ClLMIA]
Low-Cost, UItra-Small, 3yA
F ea tures
ooooooo
580ns Propagation Delay from Only 3pA
+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 UItra-Small Packages
5-Pin SC70 (MAX9075)
8-Pin SOT23 (MAX9077)
Ordering Information
PART TEMP. RANGE PAgngGE Jd')
MAX9075EXK-T -40°C to +85°C 5 SC70-5 AAC
MAX9075EUK-T M0"C to +85''C 5 SOT23-5 ADLX
MAX9077EKA-T M0oC to +85''C 8 SOT23-8 AAAD
MAX9077ESA -40°C to +85°C 8 SO -
Typical Operating Circuit
Ili—«Nwwvvv;
IVI/lXI/VI
MAX9075
IN» + MAX 907 7
lVI/JXI/VI
Maxim Integrated Products 1
& the latest literature: http://, .
For small orders, phone 1-800-835-8769.
££06XVW/Sl 06XVW
MAX 90 75/MAX 9077
Low-Cost, Ultra-Small, 3pA
Single-Supply Comparators
ABSOLUTE MAXIMUM RATINGS
Supply Voltage
Vcc to GND __
All Other Pins to
Duration of Output Short Circun to GND " VCC ........ Continuous
Continuous Power Dissipation (TA-- - +70° C)
5-Pin SC7O (deraie 2 5mW/''C above +70°C) ............ 200mW
5- Pin SOT23 (derale 7. 1mW/" C above +70° C) .......... 571mW
8- Pin SOT23 (derate 5. 3mW/° C above +70° C), _ _
8- Pin so (derate 5. 88mW/" C above +70° C) IIIIIIIIIIIIII 471mW
Operating Temperature Range ......................... MO'' C to +85° C
65°C to +150°C
......... +300°C
Storage Temperature Range ...........
Lead Temperature (soldering, 10sec) IIIIIIIIIIIII
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the dewce. 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 E xposure to
absolute maximum rating conditions for extended periods may affect device reliability,
ELECTRICAL CHARACTERISTICS
(Vcc = +5V, VCM = -0.2V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Operating Supply Voltage Range Vcc Inferred from PSRR 2.1 5.5 V
TA = +25°C 3 5.2
Vcc = 5V
Supply Current per Comparator lcc TA = TMIN to TMAX 6.6 pA
Vcc = 3V 2.4
Power-Supply Rejection Ratio PSRR 2.1V f Vcc f 5.5V 54 77 dB
Common-Mode Voltage Range VCMR (Note 2) -0.2 'ti, _ V
Input Offset Voltage Vos tl t8 mV
Input Offset Current log 1 nA
Input Bias Current IB VCM = O (Noie 3) 5 -20 nA
Input Capacitance CIN 3 pF
Common-Mode Rejection Ratio CMRR -0.2V S VCM s (Vcc - 1.2V) 60 82 dB
OUT, Output Voltage High VOH ISQURCE = 2mA Ich" v
OUT_ Output Voltage Low VOL ISINK = 2mA 0.4 V
Propagation Delay Low to High tPD, CLOAD = IOpF, overdrive = 100mV 580 ns
Propagation Delay High to Low tpD, CLOAD = 10pF, overdrive = 100mV 250 ns
Rise/Fall Time CLOAD = 10PF 1.6 ns
Note 1: All devices are 100% production tested at TA = +25°C. All temperature limits are guaranteed by design.
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.
lVl/JXI/VI
