MAX6957ATL+ Maxim Integrated Products, MAX6957ATL+ Datasheet - Page 8
![IC DRVR DSPL LED 40-TQFN](/photos/6/65/66502/40-qfn_pkg_sml.jpg)
MAX6957ATL+
Manufacturer Part Number
MAX6957ATL+
Description
IC DRVR DSPL LED 40-TQFN
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX6957ANI.pdf
(25 pages)
Specifications of MAX6957ATL+
Display Type
LED
Configuration
7, 16, 20 Segment
Interface
4-Wire Serial
Current - Supply
180µA
Voltage - Supply
2.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
40-TQFN Exposed Pad
Number Of Segments
28
Low Level Output Current
18 mA
Operating Supply Voltage
2.5 V to 5.5 V
Maximum Supply Current
230 uA
Maximum Power Dissipation
2963 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
4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and
28-Port LED Display Driver and I/O Expander
8
Figure 2. Two MAX6957s Controlling Seven 7-Segment Displays
Figure 3. 4-Wire Interface Timing
VIRTUAL SEGMENTS
VIRTUAL SEGMENTS
DOUT
SCLK
P0
P0
_______________________________________________________________________________________
DIN
CS
P1
P1
P2
P2
P3
P3
t
CSH
7-SEGMENT DIGIT 1
P4
P4
P5
P5
t
DV
P6
P6
t
CSS
t
DS
P7
P7
t
DH
7-SEGMENT DIGIT 5
P8
P8
P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 P28 P29 P30 P31
P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 P28 P29 P30 P31
t
CL
7-SEGMENT DIGIT 2
t
CH
7-SEGMENT DIGIT 6
7-SEGMENT DIGIT 3
7-SEGMENT DIGIT 7
t
DO
7-SEGMENT DIGIT 4
t
CSH
V+
V+