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參數(shù)資料
| 型號(hào)： | TC14433 |
| 廠商： | TelCom Semiconductor, Inc. |
| 元件分類： | 串行ADC |
| 英文描述： | 3-1/2 DIGIT A/D CONVERTERS |
| 中文描述： | 3-1/2位數(shù)的A / D轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 6/10頁(yè) |
| 文件大?。?/td> | 149K |
| 代理商： | TC14433 |
3-132
TELCOM SEMICONDUCTOR, INC.
Segment 3
— This segment of the conversion cycle is
the same as Segment 1.
Segment 4
— Segment 4 is an up-going ramp cycle with
the unknown input voltage (V
X
) as the input to the integrator.
Figure 8 shows the equivalent configuration of the analog
section of the TC14433. The actual configuration of the
analog section is dependent upon the polarity of the input
voltage during the previous conversion cycle.
Segment 5
— This segment is a down-going ramp
period with the reference voltage as the input to the integra-
tor. Segment 5 of the conversion cycle has a time equal to
the number of counts stored in the offset storage latches
during Segment 2. As a result, the system zeros automati-
cally.
Segment 6
— This is an extension of Segment 5. The
time period for this portion is 4000 clock periods. The results
of the A/D conversion cycle are determined in this portion of
the conversion cycle.
Figure 10. 3-1/2 Digit Voltmeter Common-Anode Displays, Flashing Overrange
3
1
4
5
6
7
8
23
22
21
20
13
9
14
15 19 18 17 16
11 10 2 12 24
4
2
3
5
9
10
11
12
13
14
15
1
7
6
5
4
3
2
1
10
11
12
13
14
15
16
0.1
μ
F**
R
1
*
0.1
μ
F
R
C
V
x
20K
1
2
3
D
C
S
R
TC14433
Q
Q
D
C
10
S
R
+5V
–5V
16
+5V
+5V
SEGMENT
RESISTORS
150 (7)
+5V
Q
Q
50
μ
F
0.1
μ
F
–5V
–5V
6
–5V
–5V
–5V
8
MINUS SIGN
200
PLUS SIGN
110
51k
6 7
+5V
–5V
–5V
MPS-A12
(4)
COMMON
ANODE LED
DISPLAY
MPS-A12
300k
0.1
0.1
μ
F
14013B
5
3
9
11
1
2
13
12
7
14
*R
1
R
**MYLAR CAPACITOR
= 470k FOR 2V RANGE
= 27k FOR 200mV RANGE
f g e d c b a
+5V
0.1
μ
F
0.1
μ
F
4
8
DS
4
DS
3
DS
2
DS
1
–5V
TC04
4543B
1413
Figure 9. Alternate Oscillator Circuits
(B) LC Oscillator Circuit
10
L
C
11
C
TC14433
TC14433
CLK1
11
10
18M
47k
(A) Crystal Oscillator Circuit
10 pF < C AND C < 200 pF
FOR L = 5 mH AND C = 0.01
μ
F, f 32 kHz
C
1
f =
1
p
2
2/LC
=
CLK0
CLK1
CLK0
C
2
3-1/2 DIGIT A/D CONVERTERS
TC14433
TC14433A
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TC14433_08 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-1/2 Digit, Analog-to-Digital Converter |
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| TC14433A-E/LI | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-1/2 Digit, Analog-to-Digital Converter |
| TC14433A-E/OG | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-1/2 Digit, Analog-to-Digital Converter |
| TC14433A-E/PG | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-1/2 Digit, Analog-to-Digital Converter |
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