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參數(shù)資料
| 型號： | TC7126A |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 3-1/2 Digit Analog-to-Digital Converters |
| 中文描述： | 3-1/2數(shù)字模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大小： | 198K |
| 代理商： | TC7126A |
3-220
TELCOM SEMICONDUCTOR, INC.
3-1/2 DIGIT
ANALOG-TO-DIGITAL CONVERTERS
TC7126
TC7126A
PIN DESCRIPTION
40-Pin PDIP
Pin Number
Normal
(Reverse)
Name
V
+
D
1
C
1
B
1
A
1
F
1
G
1
E
1
D
2
C
2
B
2
A
2
F
2
E
2
D
3
B
3
F
3
E
3
AB
4
POL
BP
G
3
A
3
C
3
G
2
V
–
V
INT
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
(40)
(39)
(38)
(37)
(36)
(35)
(34)
(33)
(32)
(31)
(30)
(29)
(28)
(27)
(26)
(25)
(24)
(23)
(22)
(21)
(20)
(19)
(18)
(17)
(16)
(15)
(14)
Positive supply voltage.
Activates the D section of the units display.
Activates the C section of the units display.
Activates the B section of the units display.
Activates the A section of the units display.
Activates the F section of the units display.
Activates the G section of the units display.
Activates the E section of the units display.
Activates the D section of the tens display.
Activates the C section of the tens display.
Activates the B section of the tens display.
Activates the A section of the tens display.
Activates the F section of the tens display.
Activates the E section of the tens display.
Activates the D section of the hundreds display.
Activates the B section of the hundreds display.
Activates the F section of the hundreds display.
Activates the E section of the hundreds display.
Activates both halves of the 1 in the thousands display.
Activates the negative polarity display.
Backplane drive output.
Activates the G section of the hundreds display.
Activates the A section of the hundreds display.
Activates the C section of the hundreds display.
Activates the G section of the tens display.
Negative power supply voltage.
The integrating capacitor should be selected to give the maximum voltage swing
that ensures component tolerance build-up will not allow the integrator output to
saturate. When analog common is used as a reference and the conversion rate is
3 readings per second, a 0.047
μ
F capacitor may be used. The capacitor must
have a low dielectric constant to prevent roll-over errors. See "Integrating Capaci-
tor" section for additional details.
Integration resistor connection. Use a 180 k
resistor for a 200 mV full-scale
range and a 1.8 M
resistor for a 2V full-scale range.
The size of the auto-zero capacitor influences system noise. Use a 0.33
μ
F
capacitor for 200 mV full scale, and a 0.033
μ
F capacitor for 2V full scale. See
paragraph on auto-zero capacitor for more details.
The low input signal is connected to this pin.
The high input signal is connected to this pin.
This pin is primarily used to set the analog common-mode voltage for battery
operation or in systems where the input signal is referenced to the power supply.
See paragraph on analog common for more details. It also acts as a reference
voltage source.
See pin 34.
28
(13)
V
BUFF
29
(12)
C
AZ
30
31
32
(11)
(10)
(9)
V
IN–
V
IN+
ANALOG
COMMON
33
(8)
C
REF
–
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TC7126AIPL | 3-1/2 Digit Analog-to-Digital Converters |
| TC7126ARCPL | Circular Connector; No. of Contacts:35; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:28; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
| TC7126CKW | 3-1/2 Digit Analog-to-Digital Converters |
| TC7126IPL | 3-1/2 Digit Analog-to-Digital Converters |
| TC7126ACKW | 3-1/2 Digit Analog-to-Digital Converters |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC7126ACKW | 功能描述:LCD 驅(qū)動器 3.5 digit A/D RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| TC7126ACKW713 | 功能描述:LCD 驅(qū)動器 3.5 digit A/D RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| TC7126ACLW | 功能描述:LCD 驅(qū)動器 3.5 digit A/D RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| TC7126ACLW713 | 功能描述:LCD 驅(qū)動器 w/Hold RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| TC7126ACPL | 功能描述:LCD 驅(qū)動器 Low Power RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
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