Physio Control LIFEPAK 9 - Page 184

LIFEPAK
9
defibrillator/monitor
TYPE
IC
NuMBER
LOCATION
REF.
DES.
i
9
Converter,
AD
À
TLC1541
Power
Conversion
(A3)
U
Y
"T
SAMPLE
=
一
AL
|
PIN
CONFIGURATION
ANALOG
--Ἱ
12
CHANNEL
(SWITCHED
CAPACITORS)
INPUTS
$
CI
ANALOG
ZT
MULTIPLEXER
INPUT
AO
em
1
VCC
一
INPUT
|
ーー
RESS
INPUTA1
em
2
SYSTEM
CLOCK
ADDRESS
INPUT
A2
emt
YO
CLOCK
OUTPUT
10-TO-1
DATA
DATA
INPUT
A3
emeli
4
ADDRESS
INPUT
DATA
SELECTOR
—
OUTPUT
REĞİSTER
AND
DRIVER
INPUT
Ad
an
5
DATA
OUT
SELF-TEST
A
7
y
mon
os
ore
|
DRES
INPUT
AB
em
9
INPUT
A10
INPUT
κ
MULTIPLEXER
COUNTERS
GND
«mf
10
INPUT
A9
MO
CLOCK
>
cs
>
SYSTEM
.
>
-ᾱ-----
Figure
6-3
A/D
Converter
CLOCK
9
9
FUNCTIONAL
DIAGRAM
TYPE
IC
NUMBER
LOCATION
REF.
DES.
Converter
D/A
À
7541
Power
Conversion
(A3)
U18
PIN
CONFIGURATION
FUNCTIONAL
DIAGRAM
10K
10K
10K
|
OUT
1
A
FEEDBACK
V
REF
| OUT2
œil
2
V
REF
IN
GND
=
3
VOD
(+)
BIT
1
(MSB)
«=
4
BIT
12
(LSB)
20K
20K
BIT2
m
5
BIT
11
6173
6
BIT
10
BIT
4
em
7
BIT9
$1
$12
BITS
emil
8
BIT8
|
7
|
|
|
BIT
6
«nf
9
BIT7
|
|
|
—o
1OUT2
UL
ti
U
|
ーO
!
OUT
1
|
|
L
boo
R
FEEDBACK
d
ó
å
$x
BIT
1
(MSB)
BIT2
BIT3
BIT
12
(LSB)
LOGIC: A SWITCH IS CLOSED TO | OUT 1 FOR
ITS DIGITAL INPUT IN A“HIGH” STATE.
Figure 6-4 D/A Converter
6-4 All Rights Reserved © August 1993 Physio—Control