MAX6954AAX-T Maxim Integrated Products, MAX6954AAX-T Datasheet - Page 26

• Manufacturer Part Number: MAX6954AAX-T
• Description: LED Drivers 7-, 14-, 16-Segment LED Display Driver,
• Manufacturer: Maxim Integrated Products

Specifications of MAX6954AAX-T

• Number Of Digits: 16
• Number Of Segments: 128
• Low Level Output Current: 935000 uA
• High Level Output Current: 55000 uA
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Supply Current: 30000 uA
• Maximum Power Dissipation: 941 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-36
• Minimum Operating Temperature: - 40 C

4-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan
Table 23. Global Intensity (I Data Bit D6) Format
Table 24. Blink Phase Readback (P Data Bit D7) Format
Table 25. Scan-Limit Register Format
Table 26. Global Intensity Register Format
26
P1 Blink Phase
P0 Blink Phase
Display Digit 0 only
Display Digits 0 and 1
Display Digits 0 1 2
Display Digits 0 1 2 3
Display Digits 0 1 2 3 4
Display Digits 0 1 2 3 4 5
Display Digits 0 1 2 3 4 5 6
Display Digits 0 1 2 3 4 5 6 7
Intensity for all digits is controlled by one setting in the global intensity register.
Intensity for digits is controlled by the individual settings in the intensity10 and
intensity76 registers.
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
SCAN
LIMIT
MODE
CURRENT (mA)
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
MODE
ADDRESS CODE
CODE (HEX)
D7
(HEX)
ADDRESS
0
1
0x03
0x03
0x03
0x03
0x03
0x03
0x03
0x03
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
D6
I
I
D7
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
D7
X
X
X
X
X
X
X
X
D5
R
R
D6
D6
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
REGISTER DATA
D5
D5
X
X
X
X
X
X
X
X
D4
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
T
T
REGISTER DATA
REGISTER DATA
D7
P
P
D4
X
X
X
D4
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
D3
D6
E
E
0
1
D3
D3
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D5
R
R
REGISTER DATA
D2
D2
0
0
0
0
1
1
1
1
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
B
B
D4
T
T
D1
D1
0
0
1
1
0
0
1
1
D3
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
E
E
D1
X
X
D2
D0
B
B
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
D1
X
X
CODE
CODE
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
HEX
0xXA
0xXB
0xXC
0xXD
0xX0
0xX1
0xX2
0xX3
0xX4
0xX5
0xX6
0xX7
0xX8
0xX9
0xXE
0xXF
HEX
D0
S
S
D0
S
S