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| 型号： | TC7126CKW713 |
| 厂商： | Microchip Technology |
| 文件页数： | 7/26页 |
| 文件大小： | 0K |
| 描述： | IC ADC 3 1/2DGT LCD DVR 44-MQFP |
| 标准包装： | 900 |
| 显示器类型： | LCD |
| 配置： | 7 段显示 |
| 数字或字符： | A/D，3.5 位数字 |
| 电流 - 电源： | 55µA |
| 电源电压： | 9V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-QFP |
| 供应商设备封装： | 44-MQFP（10x10） |
| 包装： | 带卷 (TR) |
TC7126/A
2.0
PIN DESCRIPTIONS
TABLE 2-1:
Pin Number
PIN FUNCTION TABLE
(40-Pin PDIP)
(Reversed)
Symbol
Description
Normal
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)
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
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.
LCD Backplane drive output (TC7106A). Digital Ground (TC7107A).
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 buildup 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
28
29
(13)
(12)
V BUFF
C AZ
Integration resistor connection. Use a 180k Ω resistor for a 200mV full-scale range
and a 1.8M Ω resistor for a 2V full scale range.
The size of the auto-zero capacitor influences system noise. Use a 0.33 μ F capacitor
30
31
32
(11)
(10)
(9)
V IN -
V IN +
ANALOG
The analog LOW input is connected to this pin.
The analog HIGH input signal is connected to this pin.
This pin is primarily used to set the Analog Common mode voltage for battery opera-
COMMON tion, or in systems where the input signal is referenced to the power supply. It also
Analog Common for additional details.
33
(8)
C REF -
See Pin 34.
? 2006 Microchip Technology Inc.
DS21458C-page 7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC7126CLW | 功能描述:LCD 驱动器 Low Power RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| TC7126CLW713 | 功能描述:LCD 驱动器 Low Power RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| TC7126CPL | 功能描述:LCD 驱动器 Low Power RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| TC7126CPL | 制造商:Microchip Technology Inc 功能描述:3.5 DIGIT ADC CMOS 7126 DIP40 制造商:Microchip Technology Inc 功能描述:3.5 DIGIT ADC, CMOS, 7126, DIP40 制造商:Microchip Technology Inc 功能描述:3.5 DIGIT ADC, CMOS, 7126, DIP40; Resolution (Bits):3.5bit; Supply Voltage Max:15V; Supply Current:55A; Digital IC Case Style:DIP; No. of Pins:40; Input Channel Type:Differential; Data Interface:Parallel; Operating Temperature ;RoHS Compliant: Yes |
| TC7126IPL | 功能描述:LCD 驱动器 Low Power RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
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