MAX7219ENG Maxim Integrated Products, MAX7219ENG Datasheet
MAX7219ENG
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... Slew-Rate Limited Segment Drivers for Lower EMI (MAX7221) ♦ ♦ SPI, QSPI, MICROWIRE Serial Interface (MAX7221) ♦ ♦ 24-Pin DIP and SO Packages PART MAX7219CNG MAX7219CWG MAX7219C/D Applications MAX7219ENG MAX7219EWG MAX7219ERG Ordering Information continued at end of data sheet. *Dice are specified DOUT 23 SEG D ...
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Serially Interfaced, 8-Digit LED Display Drivers ABSOLUTE MAXIMUM RATINGS Voltage (with respect to GND) V+ ............................................................................-0. DIN, CLK, LOAD, CS ...............................................-0. All Other Pins.............................................-0.3V to (V+ + 0.3V) Current DIG 0–DIG 7 Sink Current..............................................500mA SEG A–G, ...
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Serially Interfaced, 8-Digit LED Display Drivers ELECTRICAL CHARACTERISTICS (continued) ( ±10 9.53kΩ ±1%, T SET A PARAMETER SYMBOL LOGIC INPUTS Input Current DIN, CLK LOAD, CS Logic High Input Voltage V Logic Low Input ...
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Serially Interfaced, 8-Digit LED Display Drivers __________________________________________Typical Operating Characteristics (V+ = +5V +25°C, unless otherwise noted.) A SCAN FREQUENCY vs. POSITIVE SUPPLY VOLTAGE 830 820 810 800 790 780 770 760 750 740 730 4.0 4.4 4.8 POSITIVE ...
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Serially Interfaced, 8-Digit LED Display Drivers PIN NAME 1 DIN Serial-Data Input. Data is loaded into the internal 16-bit shift register on CLK’s rising edge. Eight-Digit Drive Lines that sink current from the display common cathode. The MAX7219 pulls 2, ...
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Serially Interfaced, 8-Digit LED Display Drivers CS OR LOAD t CSS CLK t DIN DOUT Figure 1. Timing Diagram Table 1. Serial-Data Format (16 Bits) D15 D14 D13 D12 D11 Detailed Description MAX7219/MAX7221 Differences The MAX7219 ...
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Serially Interfaced, 8-Digit LED Display Drivers Table 2. Register Address Map ADDRESS REGISTER D15– D11 D10 D12 No- Digit Digit Digit Digit ...
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Serially Interfaced, 8-Digit LED Display Drivers Table 5. Code B Font REGISTER DATA 7-SEGMENT CHARACTER D7* D6– ...
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Serially Interfaced, 8-Digit LED Display Drivers Table 7. Intensity Register Format (Address (Hex) = 0xXA) DUTY CYCLE D7 MAX7219 MAX7221 1/32 1/16 X (min on) (min on) 3/32 2/16 X 5/32 3/16 X 7/32 4/16 X 9/32 5/16 X 11/32 ...
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Serially Interfaced, 8-Digit LED Display Drivers If the scan-limit register is set for three digits or less, individual digit drivers will dissipate excessive amounts of power. Consequently, the value of the R must be adjusted according to the number of ...
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Serially Interfaced, 8-Digit LED Display Drivers Table 11. R vs. Segment Current and SET LED Forward Voltage V LED I (mA) SEG 1.5 2.0 2.5 40 12.2 11.8 11.0 30 17.8 17.1 15.8 20 29.8 28.0 25.9 10 66.7 63.7 ...
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Serially Interfaced, 8-Digit LED Display Drivers 1N5524B 5.6V ± DATA IN 12 LOAD (CS) 13 CLOCK *4.7kΩ PULLUP REQUIRED FOR MAX7221 ( ) MAX7221 ONLY Figure 2. MAX7219/MAX7221 Driving 2.3in Displays 12 ...
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Serially Interfaced, 8-Digit LED Display Drivers 8 DIN DATA IN DIG 0 DIG 4 GND DIG 6 DIG 2 DIG 3 DIG 7 GND DIG 5 DIG 1 LOAD (CS) LOAD DATA ( ) MAX7221 ONLY CLOCK Figure 3. Cascading ...
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Serially Interfaced, 8-Digit LED Display Drivers Ordering Information (continued) PART TEMP RANGE MAX7221CNG 0°C to +70°C MAX7221CWG 0°C to +70°C MAX7221C/D 0°C to +70°C MAX7221ENG -40°C to +85°C MAX7221EWG -40°C to +85°C MAX7221ERG -40°C to +85°C *Dice are specified at ...
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Serially Interfaced, 8-Digit LED Display Drivers (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages TOP VIEW FRONT VIEW ______________________________________________________________________________________ ...
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... 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. 16 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 2003 Maxim Integrated Products ...