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Package Cooled:SMD
Part Number: MAX944
Package Cooled: SMD
Description: The MAX941/MAX942/MAX944 are single/dual/quad high-speed comparators optimized for system...
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MAX944
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DataSheet
General Description
MAX944 General Description
The MAX941/MAX942/MAX944 are single/dual/quad high-speed comparators optimized for systems pow-ered from a 3V or 5V supply. These devices combine high speed, low power, and rail-to-rail inputs.Propagation delay is 80ns, while supply current is only 350A per comparator.
The input common-mode range of the MAX941/MAX942/MAX944 extends beyond both power-supply rails. The outputs pull to within 0.4V of either supply rail without external pull-up circuitry, making these devices ideal for interface with both CMOS and TTL logic. All input and output pins can tolerate a continuous short-circuit fault condition to either rail.
Internal hysteresis ensures clean output switching,even with slow-moving input signals. The MAX941 fea-tures latch enable and device shutdown.
The single MAX941 and dual MAX942 are offered in a tiny MAX package. Both the single and dual MAX942 are available in 8-pin DIP and SO packages. The quad MAX944 comes in 14-pin DIP and narrow SO pack-ages.
MAX944 Maximum Ratings
Power-Supply Ranges
Supply Voltage V+ to GND..................................................+7V
Differential Input Voltage..........................-0.3V to (V+ + 0.3V)
Common-Mode Input Voltage...................-0.3V to (V+ + 0.3V)
LATCH Input (MAX941 only)......................-0.3V to (V+ + 0.3V)
SHDN Control Input (MAX941 only)...........-0.3V to (V+ + 0.3V)
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 MAX (derate 4.1mW/°C above +70°C).............330mW
8-Pin CERDIP (derate 8.00mW/°C above +70°C)........640mW
14-Pin Plastic DIP (derate 10.00mW/°C above +70°C)..800mW
14-Pin SO (derate 8.33mW/°C above +70°C).............667mW
14-Pin CERDIP (derate 9.09mW/°C above +70°C).....727mW
Operating Temperature Ranges
MAX94_C_ _ .......................................................0°C to +70°C
MAX94_E_ _.....................................................-40°C to +85°C
MAX94_MJ _...................................................-55°C to +125°C
Storage Temperature Range.........................-65°C to +160°C
Lead Temperature (soldering, 10sec)...........................+300°C
Supply Voltage V+ to GND..................................................+7V
Differential Input Voltage..........................-0.3V to (V+ + 0.3V)
Common-Mode Input Voltage...................-0.3V to (V+ + 0.3V)
LATCH Input (MAX941 only)......................-0.3V to (V+ + 0.3V)
SHDN Control Input (MAX941 only)...........-0.3V to (V+ + 0.3V)
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 MAX (derate 4.1mW/°C above +70°C).............330mW
8-Pin CERDIP (derate 8.00mW/°C above +70°C)........640mW
14-Pin Plastic DIP (derate 10.00mW/°C above +70°C)..800mW
14-Pin SO (derate 8.33mW/°C above +70°C).............667mW
14-Pin CERDIP (derate 9.09mW/°C above +70°C).....727mW
Operating Temperature Ranges
MAX94_C_ _ .......................................................0°C to +70°C
MAX94_E_ _.....................................................-40°C to +85°C
MAX94_MJ _...................................................-55°C to +125°C
Storage Temperature Range.........................-65°C to +160°C
Lead Temperature (soldering, 10sec)...........................+300°C
MAX944 Features
Available in MAX Package
Optimized for 3V and 5V Applications
(operation down to 2.7V)
Fast, 80ns Propagation Delay (5mV overdrive)
Rail-to-Rail Input Voltage Range
Low Power:
1mW Power Dissipation per Comparator (3V)
350A Supply Current
Low, 1mV Offset Voltage
Internal Hysteresis for Clean Switching
Outputs Swing 200mV of Power Rails
CMOS/TTL-Compatible Outputs
Output Latch (MAX941 only)
Shutdown Function (MAX941 only)
Optimized for 3V and 5V Applications
(operation down to 2.7V)
Fast, 80ns Propagation Delay (5mV overdrive)
Rail-to-Rail Input Voltage Range
Low Power:
1mW Power Dissipation per Comparator (3V)
350A Supply Current
Low, 1mV Offset Voltage
Internal Hysteresis for Clean Switching
Outputs Swing 200mV of Power Rails
CMOS/TTL-Compatible Outputs
Output Latch (MAX941 only)
Shutdown Function (MAX941 only)
MAX944 Typical Application
3V/5V Systems
Battery-Powered Systems
Threshold Detectors/Discriminators
Line Receivers
Zero-Crossing Detectors
Sampling Circuits
Battery-Powered Systems
Threshold Detectors/Discriminators
Line Receivers
Zero-Crossing Detectors
Sampling Circuits
MAX944 Connection Diagram
MAX944
PDF/DataSheet Download
- Datasheet: MAX944
- File Size: 169331 KB
- Manufacturer: Maixm
- Click here to Download
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