Datasheet MAX7219, MAX7221 (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | Serially Interfaced, 8-Digit, LED Display Drivers |
| Páginas / Página | 15 / 2 — Absolute Maximum Ratings. Electrical Characteristics. PARAMETER. SYMBOL. … |
| Formato / tamaño de archivo | PDF / 1.4 Mb |
| Idioma del documento | Inglés |
Absolute Maximum Ratings. Electrical Characteristics. PARAMETER. SYMBOL. CONDITIONS. MIN. TYP. MAX. UNITS
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MAX7219/MAX7221 Serially Interfaced, 8-Digit LED Display Drivers
Absolute Maximum Ratings
Voltage (with respect to GND) Operating Temperature Ranges (TMIN to TMAX) V+ ..-0.3V to 6V MAX7219C_G/MAX7221C_G ..0°C to +70°C DIN, CLK, LOAD, CS ..-0.3V to 6V MAX7219E_G/MAX7221E_G ... -40°C to +85°C All Other Pins...-0.3V to (V+ + 0.3V) Storage Temperature Range ...-65°C to +160°C Current Lead Temperature (soldering, 10s) ...+300°C DIG 0–DIG 7 Sink Current..500mA SEG A–G, DP Source Current ...100mA Continuous Power Dissipation (TA = +85°C) Narrow Plastic DIP (derate 13.3mW/°C above +70°C) ..1066mW Wide SO (derate 11.8mW/°C above +70°C) ...941mW 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.
Electrical Characteristics
(V+ = 5V ±10%, RSET = 9.53kΩ ±1%, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Operating Supply Voltage V+ 4.0 5.5 V Shutdown Supply Current I+ All digital inputs at V+ or GND, TA = +25°C 150 µA RSET = open circuit 8 Operating Supply Current I+ mA All segments and decimal point on, ISEG_ = -40mA 330 Display Scan Rate fOSC 8 digits scanned 500 800 1300 Hz Digit Drive Sink Current IDIGIT V+ = 5V, VOUT = 0.65V 320 mA Segment Drive Source Current ISEG TA = +25°C, V+ = 5V, VOUT = (V+ - 1V) -30 -40 -45 mA Segment Current Slew Rate (MAX7221 only) ΔISEG/Δt TA = +25°C, V+ = 5V, VOUT = (V+ - 1V) 10 20 50 mA/μs Segment Drive Current Matching ΔISEG 3.0 % Digit Drive Leakage (MAX7221 only) IDIGIT Digit off, VDIGIT = V+ -10 µA Segment Drive Leakage (MAX7221 only) ISEG Segment off, VSEG = 0V 1 µA Digit Drive Source Current (MAX7219 only) IDIGIT Digit off, VDIGIT = (V+ - 0.3V) -2 mA Segment Drive Sink Current (MAX7219 only) ISEG Segment off, VSEG = 0.3V 5 mA www.maximintegrated.com Maxim Integrated │ 2
Absolute Maximum Ratings
Voltage (with respect to GND) Operating Temperature Ranges (TMIN to TMAX) V+ ..-0.3V to 6V MAX7219C_G/MAX7221C_G ..0°C to +70°C DIN, CLK, LOAD, CS ..-0.3V to 6V MAX7219E_G/MAX7221E_G ... -40°C to +85°C All Other Pins...-0.3V to (V+ + 0.3V) Storage Temperature Range ...-65°C to +160°C Current Lead Temperature (soldering, 10s) ...+300°C DIG 0–DIG 7 Sink Current..500mA SEG A–G, DP Source Current ...100mA Continuous Power Dissipation (TA = +85°C) Narrow Plastic DIP (derate 13.3mW/°C above +70°C) ..1066mW Wide SO (derate 11.8mW/°C above +70°C) ...941mW 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.
Electrical Characteristics
(V+ = 5V ±10%, RSET = 9.53kΩ ±1%, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Operating Supply Voltage V+ 4.0 5.5 V Shutdown Supply Current I+ All digital inputs at V+ or GND, TA = +25°C 150 µA RSET = open circuit 8 Operating Supply Current I+ mA All segments and decimal point on, ISEG_ = -40mA 330 Display Scan Rate fOSC 8 digits scanned 500 800 1300 Hz Digit Drive Sink Current IDIGIT V+ = 5V, VOUT = 0.65V 320 mA Segment Drive Source Current ISEG TA = +25°C, V+ = 5V, VOUT = (V+ - 1V) -30 -40 -45 mA Segment Current Slew Rate (MAX7221 only) ΔISEG/Δt TA = +25°C, V+ = 5V, VOUT = (V+ - 1V) 10 20 50 mA/μs Segment Drive Current Matching ΔISEG 3.0 % Digit Drive Leakage (MAX7221 only) IDIGIT Digit off, VDIGIT = V+ -10 µA Segment Drive Leakage (MAX7221 only) ISEG Segment off, VSEG = 0V 1 µA Digit Drive Source Current (MAX7219 only) IDIGIT Digit off, VDIGIT = (V+ - 0.3V) -2 mA Segment Drive Sink Current (MAX7219 only) ISEG Segment off, VSEG = 0.3V 5 mA www.maximintegrated.com Maxim Integrated │ 2