(TC530 / TC534) 5V Precision Data Acquisition Subsystems
Description
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TC530/TC534
5V Precision Data Acquisition Subsystems
Features
• Precision (up to 17-Bits) A/D Converter • 3-Wire Serial Port • Flexible: User Can Trade Off Conversion Speed For Resolution • Single Supply Operation • -5V Output Pin • 4 Input, Differential Analog MUX (TC534) • Automatic Input Polarity and Overrange Detection • Low Operating Current: 5mA Max • Wide Analog Input Range: ±4.
2V Max • Cost Effective
Package Types
28-Pin SOIC 28-Pin PDIP
VSS 1 CINT 2 CAZ 3 BUF 4 ACOM 5 CREF- 6 28 CAP27 AGND 26 CAP+ 25 VDD 24 NC
23 OSC TC530CPI CREF+ 7 TC530COI 22 VCCD VREF- 8 VREF+ 9 VIN- 10 VIN+ 11 DGND 12 N/C 13 OSCOUT 14 21 RESET 20 EOC 19 R/W 18 DIN 17 DCLK 16 DOUT 15 OSCIN
Applications
VSS 1
40-Pin PDIP
40 CAP39 AGND 38 CAP+ 37 VDD 36 N/C 35 N/C 34 OSC 33 N/C CINT 2 CAZ 3 BUF 4 ACOM 5 CREF- 6 CREF+ 7 VREF8 VREF+ 9
• Precision Analog Signal Processor • Precision Sensor Interface • 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°C to +70°C 0°C to +70°C 0°C to +70°C 0°C to +70°C
TC534CPL
32 VCCD 31 N/C 30 RESET 29 N/C 28 N/C 27 EOC 26 R/W 25 DIN 24 DCLK 23 DOUT 22 OSCIN 21 OSCOUT
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+ CINT BUF CAPVDD CAZ VSS NC NC NC
44 43 42 41 40 39 38 37 36 35 34
NC ACOM CREFCREF+ VREFVREF+ CH4CH3CH2-
1 2 3 4 5 6 7 8 9
33 NC 32 OSC 31 NC 30 VCDD
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 OSCOUT OSCIN DOUT CH3+ CH2+ CH1+ DGND DCLK DIN A1 A0
© 2002 Microchip Technology Inc.
DS21433B-page 1
TC530/TC534
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General Description
The TC530/TC534 are serial analog data acquisition subsystems ideal for high precision measurements (up to 17-bits plus sign).
The TC530 consists of a dual slope integrating A/D converter, negative power supply g...
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