MAX6958BAEE+ by Analog Devices

2-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan

Status: Active
Series: MAX6958
RoHS: Unknown
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The MAX6958/MAX6959 compact multiplexed common- cathode display drivers interface microprocessors to seven-segment numeric LED digits, or discrete LEDs through an SMBus™- and I²C-compatible 2-wire serial interface. The 2-wire serial interface uses fixed 0.8V/2.1V logic thresholds for compatibility with 2.5V and 3.3V systems when the display driver is powered from a 5V supply. The MAX6958/MAX6959 drive up to four 7-segment digits, with decimal points, plus four discrete LEDs, or four 7-segment digits and eight discrete LEDs if the digits' decimal points are not used, or up to 36 discrete LEDs. The MAX6959 also includes two input ports, one or both of which may be configured as a key-switch reader, which automatically scans and debounces a matrix of up to eight switches. Key-switch status is obtained by polling internal status registers or by configuring the MAX6959 interrupt output. Other on-chip features include a hexadecimal font for seven-segment displays, multiplex scan circuitry, anode and cathode drivers, and static RAM that stores each digit. The peak segment current for the display digits is set internally to 23mA. Display intensity is adjusted using a 64-step internal digital brightness control. The MAX6958/MAX6959 include a low-power shutdown mode, a scan-limit register that allows the user to display from one to four digits, and a test mode, which forces all LEDs on. The LED drivers are slew-rate-limited to reduce EMI. The MAX6958/MAX6959 are available in 16-pin PDIP and QSOP packages and are fully specified over the -40°C to +125°C automotive temperature range.

Prices starting from US$6.43


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$7.06
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Logo for element14 element14 US$6.99
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Features

400kbps 2-Wire Serial Interface
3V to 5.5V Operation
Drive 4 Digits plus 4 or 8 Discrete LEDs
Drive Common-Cathode LED Digits
23mA Constant-Current LED Segment Drive
Hexadecimal Decode/No-Decode Digit Selection
64-Step Digital Brightness Control
Slew-Rate-Limited Segment Drivers Reduced EMI
Debounces Up to Eight Switches with n-Key Rollover (MAX6959 Only)
IRQ Output When a Key Input Is Debounced (MAX6959 Only)
20µA Low-Power Shutdown (Data Retained)
Automotive Temperature Range (-40°C to +125°C)
Compact 16-Pin PDIP and QSOP Packages

Specifications

LCD or LED LED
Display Type Common Cathode
Interface Serial 2-Wire 400kbit
Digits or Char. 4½-Digit
Output Format 7 segment + 2 annunciators
Fonts Hexadecimal
VSUPPLY (V) (min) 3
VSUPPLY (V) (max) 5.5
Package/Pins PDIP/16QSOP/16
BudgetaryPrice (See Notes) 4.88


MAX6958BAEE+ Semiconductors - ICs by Analog Devices

LED DISPLAY DRIVER 4 DIGIT I2C QSOP16

Status: Unknown
Series: -
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

Specifications

Device Topology -
Input Voltage Min 3V
Input Voltage Max 5.5V
Output Voltage Max -
Output Current Max 275mA
Switching Frequency 400kHz
No. of Outputs 4Outputs
IC Mounting SMD
Driver Case Style QSOP
No. of Pins 16Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Led Display Driver, 4 Digit, I2C, Qsop16 | Newark Electronics
LED DISPLAY DRIVER, 4 DIGIT, I2C, QSOP16 | element14

Frequently Asked Questions

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This part has not been flagged as RoHS Compliant.

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