ES51999
4 3/4 and 5 3/4 A/D AUTO
Pin configuration
QFP-64pin
S
T
O
S
L
A
S
A A D
B
T V E
U C O
S C C
C
L
K
C
4
G G G
A
N N N V V
D D D - -
T V V
T + +
M
60
55
CAZ
1
5
OSC2
OSC1
BUZOUT
BUZIN
NC
RAZ
50
CINT
BUF
BUFX10
Cref-
NC
Cref+
45
40
35
NC
IVSH
IVSL
TEST5
ACVL
ACVH
ADI
NC
NC
10
15
NC
NC
NC
NC
VR
ADO
NC
VRH
NC
OVX
OVH
NC
NC
NC
NC
20
25
30
O O V V V V N S N V N V N
V R R R R R C G C R C 4 C
S
N
D
0
1 5 4 3 2
1
0
G
m
Pin Description
Pin No. Symbol Type Description
1
2
CAZ
RAZ
O
O
O
O
O
Auto-zero capacitor connection
Auto-zero resistance connection
Integration capacitor connection
Integration resistor connection output
Integration resistor connection output
3
CINT
BUF
4
5
BUFX10
Cref-
6
I/O Negative connection for reference capacitor
I/O Positive connection for reference capacito
7
Cref+
IVSH
IVSL
TEST5
ACVL
ACVH
ADI
9
I
I
High current measurement input
Low current measurement input
10
11
12
13
14
15
I/O Test Pin
O
O
I
Negative output of AC to DC converter
Positive output of AC to DC converter.
Negative input of internal AC to DC OpAmp
Output of internal AC to DC OpAmp.
ADO
O
Continued on next page
3
07/07/06
CYRUSTEK [ Cyrustek corporation ]
