TC530/TC534
5V Precision Data Acquisition Subsystems
Features
鈥?Precision (up to 17-Bits) A/D Converter
鈥?3-Wire Serial Port
鈥?Flexible: User Can Trade Off Conversion Speed For
Resolution
鈥?Single Supply Operation
鈥?-5V Output Pin
鈥?4 Input, Differential Analog MUX (TC534)
鈥?Automatic Input Polarity and Overrange Detection
鈥?Low Operating Current: 5mA Max
鈥?Wide Analog Input Range: 鹵4.2V Max
鈥?Cost Effective
Package Types
28-Pin SOIC
28-Pin PDIP
V
SS
1
C
INT
2
C
AZ
3
BUF 4
ACOM 5
C
REF
- 6
28 CAP-
27 AGND
26 CAP+
25 V
DD
24 NC
23 OSC
TC530CPI
C
REF
+ 7
TC530COI
22 V
CCD
V
REF
- 8
21 RESET
V
REF
+ 9
V
IN
- 10
V
IN
+ 11
DGND 12
N/C 13
OSC
OUT
14
20 EOC
19 R/W
18 D
IN
17 D
CLK
16 D
OUT
15 OSC
IN
Applications
V
SS
1
40-Pin PDIP
40 CAP-
39 AGND
38 CAP+
37 V
DD
36 N/C
35 N/C
34 OSC
33 N/C
C
INT
2
C
AZ
3
BUF 4
ACOM 5
C
REF
- 6
C
REF
+ 7
V
REF
-
8
V
REF
+ 9
鈥?Precision Analog Signal Processor
鈥?Precision Sensor Interface
鈥?High Accuracy DC Measurements
Device Selection Table
Part Number
TC530COI
TC530CPJ
TC534CKW
TC534CPL
Package
28-Pin SOIC
28-Pin PDIP (Narrow)
44-Pin PQFP
40-Pin PDIP
Temperature
Range
0擄C to +70擄C
0擄C to +70擄C
0擄C to +70擄C
0擄C to +70擄C
TC534CPL
32 V
CCD
31 N/C
30 RESET
29 N/C
28 N/C
27 EOC
26 R/W
25 D
IN
24 D
CLK
23 D
OUT
22 OSC
IN
21 OSC
OUT
CH4- 10
CH3- 11
CH2- 12
CH1- 13
CH4+ 14
CH3+ 15
CH2+ 16
CH1+ 17
DGND 18
A1 19
A0 20
44-Pin PQFP
AGND
CAP+
C
INT
BUF
CAP-
V
DD
C
AZ
V
SS
NC
NC
NC
44 43 42 41 40 39 38 37 36 35 34
NC
ACOM
C
REF
-
C
REF
+
V
REF
-
V
REF
+
CH4-
CH3-
CH2-
1
2
3
4
5
6
7
8
9
33 NC
32 OSC
31 NC
30 V
CDD
TC534CKW
29
NC
28 RESET
27 NC
26 NC
25 NC
24 EOC
23 R/W
CH1- 10
CH4+ 11
12 13 14 15 16 17 18 19 20 21 22
OSC
OUT
OSC
IN
D
OUT
DGND
CH3+
CH2+
CH1+
D
CLK
D
IN
A1
A0
2002 Microchip Technology Inc.
DS21433B-page 1
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