MAX6954AAX Maxim Integrated Products, MAX6954AAX Datasheet - Page 27

• Manufacturer Part Number: MAX6954AAX
• Description: IC DRIVER LED SEG 14/16 36-SSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX6954AAX

• Display Type: LED
• Configuration: 7, 14, 16 Segment
• Interface: 4-Wire Serial
• Current - Supply: 22mA
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 36-SSOP
• 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: 941 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Digits Or Characters: -

Table 27. Individual Segment Intensity Registers
Table 28. Even Individual Segment Intensity Format
Intensity10 Register
Intensity32 Register
Intensity54 Register
Intensity76 Register
Intensity10a Register
Intensity32a Register
Intensity54a Register
Intensity76a Register
15/16 (max on)
1/16 (min on)
CYCLE
DUTY
10/16
11/16
12/16
13/16
14/16
15/16
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
FUNCTION
REGISTER
4-Wire Interfaced, 2.7V to 5.5V LED Display
______________________________________________________________________________________
CURRENT (mA)
Driver with I/O Expander and Key Scan
SEGMENT
TYPICAL
12.5
17.5
22.5
27.5
32.5
37.5
37.5
2.5
7.5
10
15
20
25
30
35
5
CODE (HEX)
ADDRESS
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
0x10 to 0x17
ADDRESS
CODE
(HEX)
D7
Digit 1a (7 segment only)
Digit 3a (7 segment only)
Digit 5a (7 segment only)
Digit 7a (7 segment only)
D7
D6
Digit 1
Digit 3
Digit 5
Digit 7
See Table 29.
D6
D5
D5
REGISTER DATA
REGISTER DATA
D4
D4
D3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D3
Digit 0a (7 segment only)
Digit 2a (7 segment only)
Digit 4a (7 segment only)
Digit 6a (7 segment only)
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
D2
Digit 0
Digit 2
Digit 4
Digit 6
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D1
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
CODE
0xXC
0xXD
0xXA
0xXB
0xXE
0xX0
0xX1
0xX2
0xX3
0xX4
0xX5
0xX6
0xX7
0xX8
0xX9
0xXF
HEX
D0
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