TC835CBU 반도체 회로 부품 판매점
Personal Computer Data Acquisition A/D Converter
|
|
 Microchip Technology |
TC835
Personal Computer Data Acquisition A/D Converter
Features
• Upgrade of Pin-Compatible TC7135, ICL7135
• 200kHz Operation
• Single 5V Operation With TC7660
• Multiplexed BCD Data Output
• UART and Microprocessor Interface
• Control Outputs for Auto-Ranging
• Input Sensitivity: 100µV
• No Sample and Hold Required
Applications
• Personal Computer Data Acquisition
• Scales, Panel Meters, Process Controls
• HP-IL Bus Instrumentation
Device Selection Table
Part Number Package Temperature Range
TC835CBU 64-PinPQFP
0°C to +70°C
TC835CKW 44-PinPQFP
0°C to +70°C
TC835CPI 28-Pin PDIP
0°C to +70°C
Note: Tape and Reel available for 44-Pin PQFP
package.
General Description
The TC835 is a low power, 4-1/2 digit (0.005%
resolution), BCD analog to digital converter (ADC) that
has been characterized for 200kHz clock rate opera-
tion. The five conversions per second rate is nearly
twice as fast as the ICL7135 or TC7135. The TC835,
like the TC7135, does not use the external diode resis-
tor rollover error compensation circuits required by the
ICL7135.
The multiplexed BCD data output is perfect for interfac-
ing to personal computers. The low cost, greater than
14-bit high-resolution and 100µV sensitivity makes the
TC835 exceptionally cost-effective.
Microprocessor-based data acquisition systems are
supported by the BUSY and STROBE outputs, along
with the RUN/HOLD input of the TC835. The
OVERRANGE, UNDERRANGE, BUSY and RUN/
HOLD control functions, plus multiplexed BCD data
outputs, make the TC835 the ideal converter for µP-
based scales, measurement systems and intelligent
panel meters.
The TC835 interfaces with full function LCD and LED
display decoder/drivers. The UNDERRANGE and
OVERRANGE outputs may be used to implement an
auto-ranging scheme or special display functions.
© 2002 Microchip Technology Inc.
DS21478B-page 1
TC835
Package Type
28-Pin PDIP
44-Pin PQFP
V- 1
REF IN
ANALOG
COM
INT OUT
2
3
4
AZ IN 5
BUFF OUT 6
CREF- 7
CREF+ 8
–INPUT 9
+INPUT 10
V+ 11
(MSD) D5 12
(LSB) B1 13
B2 14
TC835CPI
28 UNDERRANGE
27 OVERRANGE
26 STROBE
25 RUN/HOLD
24 DIGTAL GND
23 POLARITY
22 CLOCK IN
21 BUSY
20 D1 (LSD)
19 D2
18 D3
17 D4
16 B8 (MSD)
15 B4
44 43 42 41 40 39 38 37 36 35 34
NC 1
33 NC
INT OUT 2
AZ IN 3
BUFF OUT 4
32 NC
31 RUN/HOLD
30 DGND
REF CAP– 5
29 POLARITY
REF CAP+ 6
–INPUT 7
+INPUT 8
V+ 9
NC 10
TC835CKW
28 CLK IN
27 BUSY
26 D1 (LSD)
25 D2
24 NC
NC 11
23 NC
12 13 14 15 16 17 18 19 20 21 22
64-Pin PQFP
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
NC 1
48 NC
NC 2
47 NC
NC 3
46 NC
NC 4
45 D3
NC 5
44 D4
NC 6
43 B3
OVERRANGE 7
42 B4
UNDERRANGE 8
SUB 9
TC835CBU
41 B2
40 SUB
V– 10
39 B1
REF IN 11
38 D5
ANALOG COM 12
37 NC
NC 13
36 NC
NC 14
35 NC
NC 15
34 NC
NC 16
33 NC
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
NOTES: 1. NC = No internal connection.
2. Pins 9, 25, 40 and 56 are connected to the die substrate. The potential at these pins is approximately V+.
No external connections should be made.
DS21478B-page 2
© 2002 Microchip Technology Inc.
|
PDF 파일 내의 페이지 : 총 24 페이지
제조업체: Microchip Technology
( microchip )
TC835CBU converter
데이터시트 다운로드 :
[ TC835CBU.PDF ]
[ TC835CBU 다른 제조사 검색 ]
국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
[ 홈페이지 ]
IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈
( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )
전력반도체 문의 : 010-3582-2743
관련 데이터시트
TC835CBU
Personal Computer Data Acquisition A/D Converter - Microchip Technology
TC835CBU
PERSONAL COMPUTER DATA ACQUISITION A/D CONVERTER - TelCom Semiconductor