MAX6957ATL+ Maxim Integrated Products, MAX6957ATL+ Datasheet - Page 17
![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
Table 9. Global Segment Current Register Format (continued)
X = Don’t care bit.
Table 10. Individual Segment Current Registers
LED DRIVE
Current0DC register
Current1DC register
FRACTION
Current0BA register
Current1BA register
Current0FE register
Current1FE register
Current054 register
Current076 register
Current098 register
Current110 register
Current132 register
Current154 register
Current176 register
Current198 register
10/16
11/16
12/16
13/16
14/16
15/16
16/16
6/16
7/16
8/16
9/16
REGISTER
FUNCTION
28-Port LED Display Driver and I/O Expander
4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and
TYPICAL SEGMENT
______________________________________________________________________________________
CURRENT (mA)
CODE (HEX)
10.5
13.5
16.5
19.5
22.5
12
15
18
21
24
ADDRESS
9
0x1A
0x1B
0x1C
0x1D
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1E
0x1F
CODE (HEX)
D7
ADDRESS
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
D6
Segment 11
Segment 13
Segment 15
Segment 17
Segment 19
Segment 21
Segment 23
Segment 25
Segment 27
Segment 29
Segment 31
Segment 5
Segment 7
Segment 9
D7
X
X
X
X
X
X
X
X
X
X
X
D5
D6
X
X
X
X
X
X
X
X
X
X
X
D5
X
X
X
X
X
X
X
X
X
X
X
D4
D4
X
X
X
X
X
X
X
X
X
X
X
D3
D3
0
0
0
1
1
1
1
1
1
1
1
D2
1
1
1
0
0
0
0
1
1
1
1
D2
Segment 10
Segment 12
Segment 14
Segment 16
Segment 18
Segment 20
Segment 22
Segment 24
Segment 26
Segment 28
Segment 30
Segment 4
Segment 6
Segment 8
D1
0
1
1
0
0
1
1
0
0
1
1
D0
1
0
1
0
1
0
1
0
1
0
1
D1
HEX CODE
0xXA
0xXB
0xXC
0xXD
0xX5
0xX6
0xX7
0xX8
0xX9
0xXE
0xXF
D0
17