Customization: | Available |
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Conductive Type: | Unipolar Integrated Circuit |
Integration: | LSI |
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MAX7219CWG: LED DRVR 64Segment 5V 24-Pin SOIC W T/R
Package: SOIC-24
Mfr. Part#: MAX7219CWG
Mfr.: MAXIM
Datasheet: (e-mail or chat us for PDF file)
ROHS Status:
Quality: 100% Original
Warranty: 180 days
Product Status
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Obsolete
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Display Type
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LED
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Configuration
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7 Segment + DP
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Interface
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4-Wire Serial
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Digits or Characters
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8 Digits
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Current - Supply
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330 mA
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Voltage - Supply
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4V ~ 5.5V
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Operating Temperature
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0°C ~ 70°C
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Mounting Type
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Surface Mount
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Package / Case
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24-SOIC (0.295", 7.50mm Width)
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Supplier Device Package
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24-SOIC
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Base Product Number
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MAX7219
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The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8x8 static RAM that stores each digit. Only one external resistor is required to set the segment current for all LEDs. The MAX7221 is compatible with SPI, QSPI, and MICROWIRE, and has slew-rate-limited segment drivers to reduce EMI. A convenient 4-wire serial interface connects to all common µPs. Individual digits may be addressed and updated without rewriting the entire display. The MAX7219/MAX7221 also allow the user to select code-B decoding or no-decode for each digit. The devices include a 150µA low-power shutdown mode, analog and digital brightness control, a scan-limit register that allows the user to display from 1 to 8 digits, and a test mode that forces all LEDs on. For applications requiring 3V operation or segment blinking, refer to the MAX6951 data sheet.
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