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TC826 bảng dữ liệu(PDF) 4 Page - Microchip Technology

tên linh kiện TC826
Giải thích chi tiết về linh kiện  Analog-to-Digital Converter with Bar Graph Display Output
PDF  18 Pages
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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TC826 bảng dữ liệu(HTML) 4 Page - Microchip Technology

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TC826
DS21477B-page 4
© 2002 Microchip Technology Inc.
2.0
PIN DESCRIPTION
Thedescriptionsof the pins arelistedinTable2-1.
TABLE 2-1:
PIN FUNCTION TABLE
Pin Number
(64-Pin PQFP)
Symbol
Description
1
NC
Positive analog signal input.
2ANALOG
COMMON
Establishes the internal analog ground point. Analog common is set to 2.9V below the
positive supply COMMON by an internal zener reference circuit. The voltage difference
between VDD and analog common can be used to supply the TC826 voltage reference
inputatREF IN (Pin 5).
3
+IN
Positive analog signal input.
4
-IN
Negative analog signal input.
5
REF IN
Reference voltage positive input. Measured relative to analog common.
REF IN
≈ Full Scale/2.
6CREF+
Reference capacitor connection.
7CREF-
Reference capacitor connection.
8VDD
Positive supply terminal.
9VBUF
Buffer output. Integration resistor connection.
10
CAZ
Negative comparator input. Auto-zero capacitor connection.
11
VINT
Integrator output. Integration capacitor connection.
12
VSS
Negative supply terminal.
13
OSC1
Oscillator resistor (ROSC) connection.
14
OSC2
Oscillator resistor (ROSC) connection.
15
BP
LCD Backplane driver.
16
BAR 0
LCD Segment driver: Bar 0.
17
NC
No connection.
18
BAR 1
LCD Segment driver: Bar 1.
19
BAR 2
LCD Segment driver: Bar 2.
20
BAR 3
LCD Segment driver: Bar 3.
21
BAR 4
LCD Segment driver: Bar 4.
22
BAR 5
LCD Segment driver: Bar 5.
23
BAR 6
LCD Segment driver: Bar 6.
24
BAR 7
LCD Segment driver: Bar 7.
25
BAR 8
LCD Segment driver: Bar 8.
26
BAR 9
LCD Segment driver: Bar 9.
27
BAR 10
LCD Segment driver: Bar 10.
28
BAR 11
LCD Segment driver: Bar 11.
29
BAR 12
LCD Segment driver: Bar 12.
30
BAR 13
LCD Segment driver: Bar 13.
31
BAR 14
LCD Segment driver: Bar 14.
32
BAR 15
LCD Segment driver: Bar 15.
33
BAR 16
LCD Segment driver: Bar 16.
34
BAR 17
LCD Segment driver: Bar 17.
35
BAR 18
LCD Segment driver: Bar 18.
36
BAR 19
LCD Segment driver: Bar 19.
37
BAR 20
LCD Segment driver: Bar 20.
38
BAR 21
LCD Segment driver: Bar 21.
39
BAR 22
LCD Segment driver: Bar 22.
40
BAR 23
LCD Segment driver: Bar 23.



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