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ES51999 Datasheet(PDF) 3 Page - Cyrustek corporation

Part No. ES51999
Description  4 3/4 and 5 3/4 A/D AUTO
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Maker  CYRUSTEK [Cyrustek corporation]
Homepage  http://www.cyrustek.com.tw
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ES51999 Datasheet(HTML) 3 Page - Cyrustek corporation

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


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