Philips pm2521 - Page 117

127
8.3. OQ
CIRCUITS
OQ0060 SWITCHING
PART
OF
THE
ADC
Specification of inputs
and outputs
Pin nr. Name
Description
1 Vss
Supply
Negative
supply
voltage
2
CLOCK Clock output
3 nc no connection
4 clock
clock input
5 clock clock input
6 C comp Capacitor for
compensation
Capacitor
compensates
internal
active parts
7
GND Ground
Supply
zero
^
8
n.c.
no connection
9
/
n,c.
no connection
10
1
+AI Current
input
Input
from
V-!
convertor
11 n.c.
no connection
12 1
-
Al Current
input
Input
from
V-l convertor
13 Vdd Supply
Positive
supply
voltage
14 n.c. no connection
15 DATA
Data output
Outgoing
data with a
duty-cycle
depending
on input
voltage
of the
ADC
16 n.c.
no connection