MAX7219CNG+ Maxim, MAX7219CNG+ Datasheet
MAX7219CNG+
Specifications of MAX7219CNG+
Related parts for MAX7219CNG+
MAX7219CNG+ Summary of contents
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... DIP/SO SPI and QSPI are trademarks of Motorola Inc. MICROWIRE is a trademark of National Semiconductor Corp. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. o 10MHz Serial Interface o Individual LED Segment Control o Decode/No-Decode Digit Selection o 150µ ...
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... Narrow CERDIP (derate 12.5mW/°C above +70°C) ...1000mW 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 ...
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Serially Interfaced, 8-Digit LED Display Drivers ELECTRICAL CHARACTERISTICS (continued) ( ±10%, R =9.53kΩ ±1%, T SET A PARAMETER SYMBOL LOGIC INPUTS Input Current DIN, CLK LOAD, CS Logic High Input Voltage Logic Low Input Voltage Output ...
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... POSITIVE SUPPLY VOLTAGE (V) MAX7219 SEGMENT OUTPUT CURRENT MAXIMUM INTENSITY = 31/32 10mA/div 0 5µs/div 4 _______________________________________________________________________________________ 5.2 5.6 6.0 10mA/div 0 SEGMENT DRIVER OUTPUT CURRENT vs. OUTPUT VOLTAGE R = 10kΩ SET R = 20kΩ SET R = 40kΩ SET OUTPUT VOLTAGE (V) MAX7221 SEGMENT OUTPUT CURRENT MAXIMUM INTENSITY = 15/16 5µs/div ...
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... Chip-Select Input. Serial data is loaded into the shift register while CS is low. The last 16 bits of serial data are latched on CS’s rising edge. (MAX7221) Serial-Clock Input. 10MHz maximum rate. On CLK’s rising edge, data is shifted into the inter- nal shift register. On CLK’s falling edge, data is clocked out of DOUT. On the MAX7221, the 13 CLK CLK input is active only while CS is low ...
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Serially Interfaced, 8-Digit LED Display Drivers CS OR LOAD t CSS CLK t DS DIN D15 DOUT Figure 1. Timing Diagram Table 1. Serial-Data Format (16 Bits) D15 D14 D13 D12 D11 Detailed Description MAX7219/MAX7221 Differences ...
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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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... Digital control of display brightness is provided by an internal pulse-width modulator, which is controlled by the lower nibble of the intensity register. The modulator scales the average segment current in 16 steps from maximum of 31/32 down to 1/32 of the peak current set by R (15/16 to 1/16 on MAX7221). Table 7 lists the SET intensity register format ...
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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 (min on) (min on) 3/32 2/16 5/32 3/16 7/32 4/16 9/32 5/16 11/32 6/16 13/32 7/16 15/32 8/16 ...
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... In applications where the MAX7219/MAX7221’s digit dri- vers are used to sink current and fewer than four digits are displayed, Table 9 specifies the maximum allow- No-Op Register able segment current. R ingly (Table 11). ...
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... LED forward voltage LED I = segment current set by R SEG Dissipation Example 40mA DUTY = 31/32, V SEG 40mA 5.25V PD = 5.25V(8mA) + (5.25V - 1.8V)(31/32 x 40mA 1.11W Thus, for a CERDIP package (θ Table 12), the maximum allowed ambient temperature T is given by θ 150° J(MAX 80°C/W where T = +61.2° ...
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Serially Interfaced, 8-Digit LED Display Drivers 1N5524B 5.6V ±5% 23 SEG D 21 SEG E 20 SEG C 17 SEG G 16 SEG B 15 SEG F 14 SEG A 22 SEG ...
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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 PIN-PACKAGE MAX7221CNG 0°C to +70°C 24 Narrow Plastic DIP MAX7221CWG 0°C to +70°C 24 Wide SO MAX7221C/D 0°C to +70°C Dice* MAX7221ENG -40°C to +85°C 24 Narrow Plastic ...
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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 ______________________________________________________________________________________ SIDE VIEW Package Information INCHES MILLIMETERS DIM MIN MAX ...
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... For the latest package outline information go to www.maxim-ic.com/packages.) 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. ...