MAX6955ATL+ Maxim Integrated Products, MAX6955ATL+ Datasheet - Page 17
![IC DRVR DSPL LED 40-TQFN](/photos/6/65/66502/40-qfn_pkg_sml.jpg)
MAX6955ATL+
Manufacturer Part Number
MAX6955ATL+
Description
IC DRVR DSPL LED 40-TQFN
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX6955AAX.pdf
(43 pages)
Specifications of MAX6955ATL+
Display Type
LED
Configuration
7, 14, 16 Segment
Interface
I²C
Current - Supply
22mA
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
40-TQFN Exposed Pad
Number Of Digits
16
Number Of Segments
128
Low Level Output Current
935 mA
High Level Output Current
55 mA
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Supply Current
30 mA
Maximum Power Dissipation
2051.3 mW
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Digits Or Characters
-
Lead Free Status / Rohs Status
Details
Figure 10. Multiplex Timing Diagram (OSC = 4MHz)
2-Wire Interfaced, 2.7V to 5.5V LED Display
DIGIT 0 CATHODE
DRIVER INTENSITY
SETTINGS
ANODE (LIT)
ANODE (UNLIT)
______________________________________________________________________________________
(MAX ON)
1/16TH
(MIN ON)
2/16TH
3/16TH
4/16TH
5/16TH
6/16TH
7/16TH
8/16TH
9/16TH
10/16TH
11/16TH
12/16TH
13/16TH
14/16TH
15/16TH
15/16TH
HIGH-Z
HIGH-Z
Driver with I/O Expander and Key Scan
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
CURRENT SOURCE ENABLED
DIGIT 0
200µs
HIGH-Z
HIGH-Z
DIGIT 1
HIGH-Z
HIGH-Z
DIGIT 2
ONE COMPLETE 1.6ms MULTIPLEX CYCLE AROUND 8 DIGITS
HIGH-Z
DIGIT 0's 200µs MULTIPLEX TIMESLOT
HIGH-Z
DIGIT 3
HIGH-Z
HIGH-Z
MINIMUM 12.5µs INTERDIGIT BLANKING INTERVAL
DIGIT 4
HIGH-Z
HIGH-Z
HIGH-Z
DIGIT 5
HIGH-Z
HIGH-Z
DIGIT 6
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
DIGIT 7
START OF
NEXT CYCLE
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