MAX944 Maxim, MAX944 Datasheet - Page 9

• Manufacturer Part Number: MAX944
• Description: The MAX941/MAX942/MAX944 are single/dual/quad high-speed comparators optimized for systems powered from a 3V or 5V supply
• Manufacturer: Maxim

Figure 3. Input Stage Circuitry
Figure 5. 3.3V Digitally Controlled Threshold Detector
ANALOG IN
IN+
IN–
DIGITAL
SERIAL
INPUT
High-Speed, Low-Power, 3V/5V, Rail-to-Rail,
SDI
4.1kΩ
4.1kΩ
GND
VREFC
_______________________________________________________________________________________
8-BIT DAC
MAX512
DACOUTC
V
V
DD
SS
TO INTERNAL
CIRCUITRY
TO INTERNAL
CIRCUITRY
V
DD
= 3.3V
MAX941
MAX942
MAX944
MAX941
Single-Supply Comparators
Figure 4. Output Stage Circuitry
Figure 6. Line Transceiver Application
COAX LINE
V
0
CC
10kΩ
20kΩ
20kΩ
V+ = 3V
I
I
SOURCE
SINK
MAX941
MAX941
MAX942
MAX944
CLEAN
DIGITAL
SIGNAL
3V
0V
OUTPUT
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