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ANALOG DEVICES MAX7221ENG+
Display Driver, LCD 8 Digits, 7 Segments, 4.0V to 5.5V Supply, SPI Interface, DIP-24
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- MAX7221ENG+
- Order Code:
- 2799296
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- Product Range
- -
- Technical Datasheet:
- MAX7221ENG+ Datasheet
- ECAD / MCAD
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Product Overview
The MAX7221ENG+ is a serially interfaced, 8-digit LED display driver in in 24 pin narrow DIP package. It is a compact, serial input/output common-cathode display driver that interfaces microprocessors 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 also allow the user to select code-B decoding or no-decode for each digit. The device include a 150µA low power shutdown mode, analogue and digital brightness control, scan limit register that allows the user to display from 1 to 8 digits and test mode that forces all LEDs on. It is used in bar graph displays, industrial controllers, panel meters and LED matrix displays.
- Supply voltage range is 4V to 5.5V, operating temperature range from -40°C to 85°C
- Compatible with SPI, QSPI and MICROWIRE and has slew rate limited segment drivers to reduce EMI
- 10MHz serial interface
- Individual LED segment control
- Display blanked on power-up
- Operating supply current of 8mA at RSET = open circuit
- Display scan rate of 800Hz (8 digits scanned)
- Digit drive sink current of 320mA (V+ = 5V, VOUT = 0.65V)
- Digit drive leakage of -10µA, segment drive leakage of 1µA, segment current slew rate of 20mA/µs
- Individual digits may be addressed and updated without rewriting the entire display
Applications
Industrial, Portable Devices
Footnotes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Product Information
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- :
- LED Display Driver
- :
- 8
- :
- 7
- :
- DIP
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- 24Pins
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- 4V
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- 5.5V
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- SPI
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- -
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- -40°C
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- 85°C
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- MSL 1 - Unlimited
Technical Documents (1)
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4 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)
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Extra stock is available upon order to the Supplier Lead Time which is approximately 9/15/25
4 deliver in 3-4 business days from our UK warehouse
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
¥2,422.62
(¥2,664.88 Inc. JCT)
Pricing is unavailable. Please contact customer services.
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| Quantity | Price (Incl JCT) |
|---|---|
| 1+ | ¥2,422.62 (¥2,664.88) |
| 15+ | ¥2,202.73 (¥2,423.00) |
| 30+ | ¥1,982.83 (¥2,181.11) |
| 105+ | ¥1,969.32 (¥2,166.25) |
| 255+ | ¥1,927.29 (¥2,120.02) |
| 510+ | ¥1,910.78 (¥2,101.86) |
| Quantity | Price (Incl JCT) |
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Pricing is unavailable. Please contact customer services.
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