Drivers Maxim Integrated Products Input Devices

21-04-2021 by



  1. Drivers Maxim Integrated Products Input Devices List
  2. Drivers Maxim Integrated Products Input Devices Using
  3. Drivers Maxim Integrated Products Input Devices
  4. Drivers Maxim Integrated Products Input Devices Inc
  • Abstract: Described are embodiments of methods for determining physiological data, such as vital signs, by using an optical diagnostic sensor, the method comprising receiving at a semiconductor material, which is located between a photodiode and a trench, an opening into silicon, or a backside wafer-level package (WLP) coating, light of a first wavelength and light of a second wavelength that.
  • Request Maxim Integrated Products MAX7219ENG+: IC DRIVER LED DISPLAY 7SEG 24DIP online from Elcodis, view and download MAX7219ENG+ pdf datasheet, PMIC - Display Drivers specifications.

Field-side LED drivers recycle the current from the eight inputs to provide visual input status indication without any additional current or power consumption. For ultra-low-power applications, and for the lowest possible heat dissipation, Maxim Integrated offers a pin-compatible version of this device, the MAX31912.

MAX7219ENG+
IC DRIVER LED DISPLAY 7SEG 24DIP
Maxim Integrated Products
1.MAX7221CWG.pdf (16 pages)
Drivers maxim integrated products input devices inc
LED
7 Segment + DP
4-Wire Serial
8 Digits
330mA
4 V ~ 5.5 V
-40°C ~ 85°C
Through Hole
24-DIP (0.300', 7.62mm)
8
7
5000 uA (Min)
65 mA
4 V to 5.5 V
330 mA
1066 mW
+ 85 C
Through Hole
- 40 C
Diagram
Lead free / RoHS Compliant
  • Current page: 1 of 16
The MAX7219/MAX7221 are compact, serial input/out-
microprocessors (µPs) to 7-segment numeric LED dis-
plays of up to 8 digits, bar-graph displays, or 64 indi-
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 seg-
ment current for all LEDs. The MAX7221 is compatible
rate-limited segment drivers to reduce EMI.
A convenient 4-wire serial interface connects to all
common µPs. Individual digits may be addressed and
MAX7219/MAX7221 also allow the user to select code-
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
For applications requiring 3V operation or segment
19-4452; Rev 4; 7/03
SPI and QSPI are trademarks of Motorola Inc. MICROWIRE is a trademark of National Semiconductor Corp.
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.
Industrial Controllers
TOP VIEW
LOAD (CS)
DIG 4
DIG 2
DIG 7
DIG 1
GND
________________________________________________________________ Maxim Integrated Products
11
1
3
5
7
9
MAX7219
DIP/SO

Drivers Maxim Integrated Products Input Devices List

Panel Meters
Applications
23
21
19
17
15
13
SEG D
SEG E
Integrated
V+
SEG G
SEG F
CLK
♦ ♦ Individual LED Segment Control
♦ ♦ 150µA Low-Power Shutdown (Data Retained)
♦ ♦ Display Blanked on Power-Up
♦ ♦ Slew-Rate Limited Segment Drivers
♦ ♦ SPI, QSPI, MICROWIRE Serial Interface (MAX7221)
Ordering Information continued at end of data sheet.
MAX7219CNG
MAX7219C/D
MAX7219EWG
for Lower EMI (MAX7221)
PART
MOSI
9.53kΩ
Typical Application Circuit
-40°C to +85°C
TEMP RANGE
0°C to +70°C
18
13
1
= +25°C.
ISET
LOAD (CS)
GND
Integrated
MAX7219
GND
+5V
DIG 0–DIG 7
SEG A–G,
24 Narrow Plastic DIP
Dice*
24 Wide SO
PIN-PACKAGE
8 DIGITS
1

MAX7219ENG+ Summary of contents

Integrated
Page 1

... MAX7221 ONLY 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. ♦ ♦ 10MHz Serial Interface ♦ ...

Page 2

Serially Interfaced, 8-Digit LED Display Drivers ABSOLUTE MAXIMUM RATINGS Voltage (with respect to GND) V+ ............................................................................-0. DIN, CLK, LOAD, CS ...............................................-0. All Other Pins.............................................-0.3V to (V+ + 0.3V) Current DIG 0–DIG 7 Sink Current..............................................500mA SEG A–G, ...

Page 3

Serially Interfaced, 8-Digit LED Display Drivers ELECTRICAL CHARACTERISTICS (continued) ( ±10 9.53kΩ ±1%, T SET A PARAMETER SYMBOL LOGIC INPUTS Input Current DIN, CLK LOAD, CS Logic High Input Voltage V Logic Low Input ...

Page 4

Serially Interfaced, 8-Digit LED Display Drivers __________________________________________Typical Operating Characteristics (V+ = +5V +25°C, unless otherwise noted.) A SCAN FREQUENCY vs. POSITIVE SUPPLY VOLTAGE 830 820 810 800 790 780 770 760 750 740 730 4.0 4.4 4.8 POSITIVE ...

Page 5

Serially Interfaced, 8-Digit LED Display Drivers PIN NAME 1 DIN Serial-Data Input. Data is loaded into the internal 16-bit shift register on CLK’s rising edge. Eight-Digit Drive Lines that sink current from the display common cathode. The MAX7219 pulls 2, ...

Page 6

Drivers Maxim Integrated Products Input Devices Using

Serially Interfaced, 8-Digit LED Display Drivers CS OR LOAD t CSS CLK t DIN DOUT Figure 1. Timing Diagram Table 1. Serial-Data Format (16 Bits) D15 D14 D13 D12 D11 Detailed Description MAX7219/MAX7221 Differences The MAX7219 ...

Page 7

Serially Interfaced, 8-Digit LED Display Drivers Table 2. Register Address Map ADDRESS REGISTER D15– D11 D10 D12 No- Digit Digit Digit Digit ...

Page 8

Serially Interfaced, 8-Digit LED Display Drivers Table 5. Code B Font REGISTER DATA 7-SEGMENT CHARACTER D7* D6– ...

Page 9

Serially Interfaced, 8-Digit LED Display Drivers Table 7. Intensity Register Format (Address (Hex) = 0xXA) DUTY CYCLE D7 MAX7219 MAX7221 1/32 1/16 X (min on) (min on) 3/32 2/16 X 5/32 3/16 X 7/32 4/16 X 9/32 5/16 X 11/32 ...

Page 10

Serially Interfaced, 8-Digit LED Display Drivers If the scan-limit register is set for three digits or less, individual digit drivers will dissipate excessive amounts of power. Consequently, the value of the R must be adjusted according to the number of ...

Drivers Maxim Integrated Products Input Devices

Page 11

Serially Interfaced, 8-Digit LED Display Drivers Table 11. R vs. Segment Current and SET LED Forward Voltage V LED I (mA) SEG 1.5 2.0 2.5 40 12.2 11.8 11.0 30 17.8 17.1 15.8 20 29.8 28.0 25.9 10 66.7 63.7 ...

Page 12

Serially Interfaced, 8-Digit LED Display Drivers 1N5524B 5.6V ± DATA IN 12 LOAD (CS) 13 CLOCK *4.7kΩ PULLUP REQUIRED FOR MAX7221 ( ) MAX7221 ONLY Figure 2. MAX7219/MAX7221 Driving 2.3in Displays 12 ...

Page 13

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 ...

Page 14

Serially Interfaced, 8-Digit LED Display Drivers Ordering Information (continued) PART TEMP RANGE MAX7221CNG 0°C to +70°C MAX7221CWG 0°C to +70°C MAX7221C/D 0°C to +70°C MAX7221ENG -40°C to +85°C MAX7221EWG -40°C to +85°C MAX7221ERG -40°C to +85°C *Dice are specified at ...

Page 15

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 ______________________________________________________________________________________ ...

Page 16

... 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. 16 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 2003 Maxim Integrated Products ...

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