MAX6955AAX Maxim Integrated Products, MAX6955AAX Datasheet - Page 38

• Manufacturer Part Number: MAX6955AAX
• Description: LED Drivers Integrated Circuits (ICs)
• Manufacturer: Maxim Integrated Products

Specifications of MAX6955AAX

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan
38
______________________________________________________________________________________
3.3V
47µF
C
SET
100nF
R
SET
4 x 4 MATRIX OF DISCRETE MONOCOLOR LEDs
O0
O1
O2
O3
O4
O5
O6
O7
P0
O0
O1
O2
O3
O4
O5
O6
O7
P1
V+
V+
V+
GND
GND
GND
SCL
AD0
AD1
SDA
BLINK
OSC_OUT
OSC
ISET
MAX6955
SW00
SW01
SW02
SW03
SW04
SW05
SW06
SW07
SW10
SW11
SW12
SW13
SW14
SW15
SW16
SW17
DIGIT 6
P4/IRQ
O10
O11
O12
O13
O14
O15
O16
O17
O18
O0
O1
O2
O3
O4
O5
O6
O7
O8
O9
P0
P1
P2
P3
O0
O1
O2
O3
O4
O5
O6
O7
P2
O0
O1
O2
O3
O4
O5
O6
O7
P3
4 x 4 MATRIX OF DISCRETE MONOCOLOR LEDs
O11
O12
O13
O14
O15
O0
O4
O5
O6
O13
O14
O15
Typical Operating Circuits (continued)
O16
O17
O18
O0
O1
O8
O9
O10
O11
O12
O16
O17
O18
O2
O3
DIGIT 0b (RED), DIGIT 1b (GREEN)
a
b
c
d
e
f
g
dp
Rcc
Gcc
a
b
c
d
e
f
g1
g2
h
i
j
k
l
m
dp
Rcc
Ccc
7-SEGMENT BICOLOR LED
SW20
SW21
SW22
SW23
SW24
SW25
SW26
SW27
SW30
SW31
SW32
SW33
SW34
SW35
SW36
SW37
14-SEGMENT BICOLOR
DIGIT 7
DIGITS 2 AND 3
O2
O4
O5
O6
O8
O0
O1
O2
O3
O11
O12
O13
O0
O1
O2
O3
O11
O12
O13
O9
O10
O7
O1
O0
O6
O7
O8
O9
O10
O14
O15
O16
O17
O18
O5
O6
O7
O8
O9
O10
O14
O15
O16
O17
O18
O4
a
b
c
d
e
f
g
dp
CC1
CC0
a1
a2
b
c
d1
d2
e
f
g1
g2
h
i
j
k
l
m
dp
cc
a1
a2
b
c
d1
d2
e
f
g1
g2
h
i
j
k
l
m
dp
cc
16-SEGMENT MONOCOLOR
16-SEGMENT MONOCOLOR
7-SEGMENT MONOCOLOR
DIGITS 0a AND 1a
DIGIT 5
DIGIT 4