PRECISION ANALOG FRONT ENDS
TC500
TC500A
TC510
TC514
1
2
24
23
–
–
CAP
V
OUT
C
INT
1µF
0.33µF
TYPICAL WAVEFORMS
+5V
1µF
DGND
C
INT
C
AZ
PIN 2
+
0.22µF
+
3
22
21
CAP
C
AZ
V
IN
4
V
+5V
DD
+5V
BUF
R
100k
INT
PIN 19
5
6
ACOM
R1
10k
MICRO
CONTROLLER
TC510
19
–
REF
C
CMPTR
C
REF
R2
10k
+
REF
0.22µF
PIN 2
C
18
17
7
9
8
–
V
A
B
IN
R3, 10k
+
REF
TC05
PIN 19
V
–
V
C1
16
15
+
V
+
REF
INPUT
INPUT
0.01µF
IN
–
IN
V
–
Figure 8. TC510 Design Example (See "Design Example")
+5V
21
1
1µF
–
V
V
24
DD
OUT
–
CAP
10kΩ
1µF
+
22
7
CAP
+
C
REF
0.22µF
0.01µF
10k
10k
–
6
9
C
REF
+
REF
V
TC04
–
REF
8
V
TC510
100kΩ
0.22µF
PC
PRINTER
PORT
4
BUF
18
17
3
2
A
B
C
AZ
PORT
0378
HEX
0.33µF
100kΩ
3
2
C
INT
10
+
IN
19
16
+
V
CMPTR
0.01µF
–
V
15
5
INPUT
–
IN
ACOM
DGND
23
Figure 9. TC510 to IBM Compatible Printer Port
3-32
TELCOM SEMICONDUCTOR, INC.
TELCOM [ TELCOM SEMICONDUCTOR, INC ]
