Philips Semiconductors
Product specification
4-digit LED-driver with I
2
C-Bus interface
SAA1064
PARAMETER
Segment outputs
(P8 to P1; pins 3 to 10)
P9 to P16; pins 15 to 22)
Output voltages
Output leakage current HIGH
Output current LOW
All control bits (C4, C5
and C6) are HIGH
Contribution of:
control bit C4
control bit C5
control bit C6
Relative segment output
current accuracy
with respect to highest value
Multiplex 1 and 2 (pins 11
and 14)
Maximum output voltage
(when ON)
Maximum output current HIGH
(when ON)
Maximum output current LOW
(when OFF)
Multiplex output period
Multiplexed duty factor
* Value to be fixed.
CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
I
O
= 15 mA
V
O
−
−
−
−
0.5
±
10
V
µA
V
O
= V
CC
= 15 V I
LO
V
OL
= 5 V
I
OL
I
O
I
O
I
O
17.85
2.55
5.1
10.2
21
3.0
6.0
12.0
25.2
3.6
7.2
14.4
mA
mA
mA
mA
∆I
O
−
−
7.5
%
−I
MPX
= 50 mA
V
MPX
= 2 V
V
O
= 2 V
C
EXT
= 2.7 nF
V
MPX
−I
MPX
+I
MPX
T
MPX
V
CC
−1.5
50
50
5
−
−
−
70
−
48.4
−
110
110
10
−
V
mA
µA
ms
%
February 1991
10
PHILIPS [ NXP SEMICONDUCTORS ]
