MAX6950CEE-T Maxim Integrated Products, MAX6950CEE-T Datasheet - Page 14

• Manufacturer Part Number: MAX6950CEE-T
• Description: LED Drivers 5-Digit LED Display Driver 7 segment + D
• Manufacturer: Maxim Integrated Products

Specifications of MAX6950CEE-T

• Number Of Digits: 5
• Number Of Segments: 40
• Low Level Output Current: 400000 uA
• High Level Output Current: - 50000 uA
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Supply Current: 15000 uA
• Maximum Power Dissipation: 667 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: QSOP-16
• Minimum Operating Temperature: 0 C

sequence is also reset, which might give rise to a one-
time display flicker when the register is written.
The RC oscillator uses an external resistor R
external capacitor C
f
R
mended values of R
Serially Interfaced, +2.7V to +5.5V,
5- and 8-Digit LED Display Drivers
Table 14. Decode-Mode Register Examples
Table 15. Hexadecimal Font
The decimal point segment is lit when bit D7 = 1.
14
OSC
No decode for digits 7–0
Hexadecimal decode for digit 0,
no decode for digits 7–1
Hexadecimal decode for digits
2–0, no decode for digits 7–3
Hexadecimal decode for digits
7–0
CHARACTER
SET
7-SEGMENT
______________________________________________________________________________________
. The allowed range of f
also sets the peak segment current. The recom-
C
D
A
B
E
0
1
2
3
4
5
6
7
8
9
F
and C
Selecting External Components R
DECODE CODE
SET
D7*
to Set Oscillator Frequency
SET
SET
D 6 – D 4
to set the oscillator frequency,
and C
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
and Segment Current
REGISTER DATA
OSC
SET
D3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
CODE (HEX)
ADDRESS
set the oscillator to
is 1MHz to 8MHz.
0x01
0x01
0x01
0x01
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
SET
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
and an
D7
SET
0
0
0
1
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
D6
0
0
0
1
4MHz, which makes the blink frequencies 0.5Hz and
1Hz. The recommended value of R
peak current to 40mA, which makes the segment cur-
rent adjustable from 2.5mA to 37.5mA in 2.5mA steps.
Where:
K
dp*
I
= 2240
D5
0
0
0
1
f
OSC
a
1
0
1
1
0
1
1
1
1
1
1
0
1
0
1
1
REGISTER DATA
= K
D4
0
0
0
1
F
b
1
1
1
1
1
0
0
1
1
1
1
0
0
1
0
0
/ (R
I
SEG
ON SEGMENTS = 1
D3
0
0
0
1
SET
= K
c
1
1
0
1
1
1
1
1
1
1
1
1
0
1
0
0
✕
I
C
/ R
D2
0
0
1
1
SET
SET
d
1
0
1
1
0
1
1
0
1
1
0
1
1
1
1
0
+ C
mA
D1
0
0
1
1
STRAY
SET
e
1
0
1
0
0
0
1
0
1
0
1
1
1
1
1
1
also sets the
) MHz
D0
0
1
1
1
1
0
0
0
1
1
1
0
1
1
1
1
1
1
1
1
f
CODE
0x00
0x01
0x07
0xFF
HEX
g
0
0
1
1
1
1
1
0
1
1
1
1
0
1
1
1