MAX913 Fast Delivery |IC PHOENIX CO.,LIMITED

MAX913 ,Single/Dual, Ultra-Fast, Low-Power, Precision TTL ComparatorsELECTRICAL CHARACTERISTICS (continued)V+ = +5V, V- = -5V, V = 1.4V, V = 0V, T = T to T , unless oth ..
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MAX913
Single/Dual, Ultra-Fast, Low-Power, Precision TTL Comparators
General Description
The MAX913 single and MAX912 dual, high-speed,
low-power comparators have differential inputs and
complementary TTL outputs. Fast propagation delay
(10ns, typ), extremely low supply current, and a wide
common-mode input range that includes the negative
rail make the MAX912/MAX913 ideal for low-power,
high-speed, single +5V (or ±5V) applications such as
V/F converters or switching regulators.
The MAX912/MAX913 outputs remain stable through
the linear region. This feature eliminates output instabili-
ty common to high-speed comparators when driven
with a slow-moving input signal.
The MAX912/MAX913 can be powered from a single
+5V supply or a ±5V split supply. The MAX913 is an
improved plug-in replacement for the LT1016. It pro-
vides significantly wider input voltage range and equiv-
alent speed at a fraction of the power. The MAX912
dual comparator has equal performance to the MAX913
and includes independent latch controls.
Applications
Zero-Crossing Detectors
Ethernet Line Receivers
Switching Regulators
High-Speed Sampling Circuits
High-Speed Triggers
Extended Range V/F Converters
Fast Pulse Width/Height Discriminators
FeaturesUltra Fast (10ns)Single +5V or Dual ±5V Supply OperationInput Range Extends Below Negative SupplyLow Power: 6mA (+5V) Per ComparatorNo Minimum Input Signal Slew-Rate RequirementNo Power-Supply Current SpikingStable in the Linear RegionInputs Can Exceed Either SupplyLow Offset Voltage: 0.8mVNow Available in a Small µMAX Package
MAX912/MAX913
Single/Dual, Ultra-Fast, Low-Power
Precision TTL Comparators
GNDV-IN+
IN-
DIP/SO/μMAX
TOP VIEW
MAX91316QB
GND
LEB
N.C.
INB-
INB+
MAX912
DIP/NARROW SO
GND
LEA
N.C.
INA-
INA+B
Pin Configurations
Ordering Information
19-0157; Rev 2; 8/03
PARTTEMP RANGEPIN-PACKAGE
MAX912CPE0°C to +70°C16 Plastic DIP
MAX912CSE0°C to +70°C16 Narrow SO
MAX912EPE-40°C to +85°C16 Plastic DIP
MAX912ESE-40°C to +85°C16 Narrow SO
MAX913CPA0°C to +70°C8 Plastic DIP
MAX913CSA0°C to +70°C8 SO
MAX913EPA-40°C to +85°C8 Plastic DIP
MAX913ESA-40°C to +85°C8 SO
MAX913EUA-40°C to +85°C8 µMAX
MAX912/MAX913
Single/Dual, Ultra-Fast, Low-Power
Precision TTL Comparators
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
V+ = +5V, V- = -5V, VQ= 1.4V, VLE= 0V, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. 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. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Positive Supply Voltage.........................................................+7V
Negative Supply Voltage........................................................-7V
V+ to V-................................................................................+13V
Differential Input Voltage.....................................................+15V
Input Voltage (Referred to V-)................................-0.3V to +14V
Latch Pin Voltage.............................................Equal to Supplies
Continuous Output Current...............................................±20mA
Continuous Power Dissipation (TA= +70°C)
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C)...727mW
8-Pin SO (derate 5.88mW/°C above +70°C)................471mW
8-Pin µMAX (derate 4.5mW/°C above +70°C).............362mW
16-Pin Plastic DIP (derate 10.53mW/°C above +70°C)842mW
16-Pin Narrow SO (derate 8.70mW/°C above +70°C).696mW
Operating Temperature Ranges:
MAX91_C_ _...........................................................0°C to +70°C
MAX91_E_ _.........................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
TA = +25°C0.12Input Offset Voltage (Note 2)VOSRS ≤ 100ΩTA = TMIN TO TMAX3mV
Offset DriftTCVOS2µV/°C
TA = +25°C0.30.5Input Offset Current (Note 2)IOSTA = TMIN TO TMAX1µA
TA = +25°C25Input Bias CurrentIBC, E temperature ranges8µA
C, E temperature ranges-5.2+3.5Input Voltage RangeVCMSingle +5VC, E temperature ranges-0.2+3.5V
Common-Mode Rejection RatioCMRR-5.0V ≤ VCM ≤ +3.5V80110dB
Positive supply; 4.5V ≤ V+ ≤ 5.5V6085Power-Supply Rejection RatioPSRRNegative supply; -2V ≥ V- ≥ -7V80100dB
Small-Signal Voltage GainAV1V ≤ VQ ≤ 2V, TA = +25°C15003500V/V
IOUT = 1mA2.73.4VOHV+ ≥ 4.5VIOUT = 10mA2.43.0
ISINK = 4mA0.30.5Output Voltage
VOLTA = +25°C, ISINK = 10mA0.4
Positive Supply Current Per
Comparator (Note 3)I+C, E temperature ranges610mA
Negative Supply Current Per
Comparator (Note 3)I-12mA
Latch-Pin High Input VoltageVIH2.0V
Latch-Pin Low Input VoltageVIL0.8V
Latch-Pin CurrentIILVLE = 0V-1-20µA
MAX912/MAX913
Single/Dual, Ultra-Fast, Low-Power
Precision TTL Comparators
Note 1:All specifications are 100% tested at TA= +25°C, unless otherwise noted. Specification limits over temperature (TA= TMIN
to TMAX) are guaranteed by design.
Note 2:Input Offset Voltage (VOS) is defined as the average of the two input offset voltages, measured by forcing first one output,
then the other to 1.4V. Input Offset Current (IOS) is defined the same way.
Note 3:Supply currents are measured with VQdriven to both VOHand VOL(not 1.4V).
Note 4:Propagation Delay (tPD) and Differential Propagation Delay (ΔtPD) cannot be measured in automatic handling equipment
with low input overdrive values. Characterization and correlation tests have shown that tPDand ΔtPDlimits can be guaran-
teed by design. Electrical Characteristic DC tests are performed to guarantee that all internal bias conditions are correct.
For low overdrive conditions, VOSis added to overdrive. Differential Propagation Delay is defined as ΔtPD= tPD+- tPD-.
Note 5:Input latch setup time (tSU) is the interval in which the input signal must be stable prior to asserting the latch signal. The hold
time (tH) is the interval after the latch is asserted in which the input signal must be stable. These parameters are guaranteed
by design.
Note 6:Latch Propagation Delay (tLPD) is the delay time for the output to respond when the latch-enable pin is deasserted (see
Timing Diagram).
ELECTRICAL CHARACTERISTICS (continued)
V+ = +5V, V- = -5V, VQ= 1.4V, VLE= 0V, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
TA = +25°C1014ΔVIN = 100mV,
VOD = 5mVTA = TMIN TO TMAX16
TA = +25°C912Propagation Delay (Note 4)tPD+, tPD-
ΔVIN = 100mV,
VOD = 20mVTA = TMIN TO TMAX15
MAX91324Differential Propagation Delay
(Note 4)ΔtPDΔVIN = 100mV,
VOD = 5mVTA = +25°CMAX91235ns
Channel-to-Channel Propagation
Delay (Note 4)
ΔVIN = 100mV,
VOD = 5mV
(MAX912 only)
TA = +25°C500ps
Latch Setup Time (Note 5)tSU20ns
Latch Hold Time (Note 5)tH52ns
Latch Propagation Delay (Note 6)tLPD7ns
MAX912/MAX913
Single/Dual, Ultra-Fast, Low-Power
Precision TTL Comparators
Typical Operating Characteristics
(V+ = +5V, V- = -5V, VLE= 0V, CL= 15pF, TA= +25°C, unless otherwise noted.)10100
PROPAGATION DELAY
vs. INPUT OVERDRIVE
MAX912/13 toc01
INPUT OVERDRIVE (mV)
PROPAGATION DELAY (ns)
tPD+
tPD-101001k10k
PROPAGATION DELAY
vs. SOURCE RESISTANCE
MAX912/13 toc02
SOURCE RESISTANCE (Ω)
PROPAGATION DELAY (ns)
tPD+
VOD = 10mV
tPD-
PROPAGATION DELAY
vs. LOAD CAPACITANCE
MAX912/13 toc03
LOAD CAPACITANCE (pF)
PROPAGATION DELAY (ns)302050
tPD+
tPD-
VOD = 10mV
PROPAGATION DELAY
vs. TEMPERATURE
MAX912/13 toc04
TEMPERATURE (°C)
PROPAGATION DELAY (ns)40200-20
VOD = 5mVQ OUTPUT
tPD-
Q OUTPUT
tPD-Q OUTPUT
tPD+
Q OUTPUT
tPD+
POSITIVE SUPPLY CURRENT
(PER COMPARATOR)
vs. POSITIVE SUPPLY VOLTAGE
MAX912/13 toc05
V+ (V)
I+ (mA)54
V- = 0 TO 5V
TA = +85°C
TA = -40°CTA = +25°C
NEGATIVE SUPPLY CURRENT
(PER COMPARATOR)
vs. NEGATIVE SUPPLY VOLTAGE
MAX912/13 toc06
V- (V)
I- (mA)54321
TA = +85°C
TA = -40°C
TA = +25°C
OFFSET VOLTAGE
vs. TEMPERATURE
MAX912/13 toc07
TEMPERATURE (°C)
OFFSET VOLTAGE (40200-20
INPUT BIAS CURRENT
vs. TEMPERATURE
MAX912/13 toc08
TEMPERATURE (°C)
INPUT BIAS CURRENT (40200-20
VCM = -5.2V
VCM = 0V
VCM = 3.5V
OUTPUT VOLTAGE
vs. DIFFERENTIAL INPUT VOLTAGE
MAX912/13 toc09
DIFFERENTIAL INPUT VOLTAGE (mV)
OUTPUT VOLTAGE (V)1-2-103
MAX912/MAX913
Single/Dual, Ultra-Fast, Low-Power
Precision TTL Comparators
POSITIVE-TO-NEGATIVE PROPAGATION DELAY
5ns/div
INPUT
100mV/div
OUTPUT
1V/div
NEGATIVE-TO-POSITIVE PROPAGATION DELAY
5ns/div
INPUT
100mV/div
OUTPUT
1V/div
MAX912/MAX913 RESPONSE
20μs/div
INPUT
20mV/div
OUTPUT
1V/div
1V/div
INDUSTRY-STANDARD
686 RESPONSE
20μs/div
INPUT
20mV/div
OUTPUT
1V/div
1V/div
MAX912/MAX913 RESPONSE TO
50MHZ (±10mVP-P) SINE WAVE
10ns/div
INPUT
10mV/div
OUTPUT
2V/divypical Operating Characteristics (continued)
(V+ = +5V, V- = -5V, VLE= 0V, CL= 15pF, TA= +25°C, unless otherwise noted.)
MAX912/MAX913 RESPONSE TO SLOW-MOVING TRIANGLE WAVE
MAX912/MAX913
Single/Dual, Ultra-Fast, Low-Power
Precision TTL Comparators
MAX912 Pin Description
PINNAMEFUNCTIONQAComparator A TTL OutputQAComparator A Complementary TTL Output
3, 14GNDLogic Ground. Connect both GND pins to ground.LEAComparator A Latch Enable. QA and QA are latched when LEA is TTL high or floating. Comparator A
latch is transparent when LEA is low.
5, 12N.C.No Connection. Not internally connected.
6V-Negative Power Supply. -5V for dual supplies (bypass to GND with a 0.1µF capacitor) or GND for a
single supply.INA-Comparator A Inverting InputINA+Comparator A Noninverting InputINB+Comparator B Noninverting InputINB-Comparator B Inverting InputV+Positive Power Supply, +5V. Bypass to GND with a 0.1µF capacitor.LEBComparator B Latch Enable. QB and QB are latched when LEB is TTL high or floating. Comparator B
latch is transparent when LEB is low.QBComparator B Complementary TTL OutputQBComparator B TTL Output
MAX913 Pin Description
PINNAMEFUNCTIONV+Positive Power Supply. Bypass to GND with a 0.1µF capacitor.IN+Noninverting InputIN-Inverting Input
4V-Negative Power Supply. -5V for dual supplies (bypass to GND with a 0.1µF capacitor) or GND for a
single supply.
5LELatch Enable. Q and Q are latched when LE is TTL high or floating. The comparator latch is
transparent when LE is low.GNDLogic GroundQTTL OutputQComplementary TTL Output

Partno	Mfg	Dc	Qty	Available	Descript
MAX913	MAX	N/a	41	avai	Single/Dual, Ultra-Fast, Low-Power, Precision TTL Comparators