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参数资料
| 型号： | TC7129CPL |
| 元件分类： | ADC |
| 英文描述： | 1-CH DUAL-SLOPE ADC, ACCESS, PDIP40 |
| 封装： | PLASTIC, DIP-40 |
| 文件页数： | 7/17页 |
| 文件大小： | 185K |
| 代理商： | TC7129CPL |
15
TC7129
4-1/2 DIGIT ANALOG-TO-DIGITAL
CONVERTER WITH ON-CHIP LCD DRIVERS
Figure 17.
Display Segment Assignments
The ANNUNCIATOR DRIVE output (pin 3) is a square-
wave running at the backplane frequency (100 Hz or 83.3Hz),
with a peak-to-peak voltage equal to DGND voltage. Con-
necting an annunciator to pin 3 turns it ON; connecting it to
its backplane turns it OFF.
Figure 18.
Backplane Waveforms
BP1
BP2
BP3
LOW BATTERY
CONTINUITY
F4, E4, DP4
A4, G4, D4
B4, C4, BC4
F3, E3, DP3
A3, G3, D3
B3, C3, MINUS
B1, C1, CONTINUITY
A1, G1, D1
F1, E1, DP1
B2, C2, LOW BATTERY
A2, G2, D2
BACKPLANE
CONNECTIONS
F2, E2, DP2
CONTINUITY
BP1
BP2
BP3
Figure 19.
Typical Display Output Waveforms
VDD
VH
VL
VDISP
VDD
VH
VL
VDISP
VDD
VH
VL
VDISP
VDD
VH
VL
VDISP
b SEGMENT
LINE
ALL OFF
a SEGMENT
ON
d, g OFF
a, g ON
d OFF
ALL ON
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC7129CPL713 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:4-1/2 Digit Analog-to-Digital Converters with On-Chip LCD Drivers |
| TC7129IJL713 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:4-1/2 Digit Analog-to-Digital Converters with On-Chip LCD Drivers |
| TC7129IKW713 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:4-1/2 Digit Analog-to-Digital Converters with On-Chip LCD Drivers |
| TC7129ILW713 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:4-1/2 Digit Analog-to-Digital Converters with On-Chip LCD Drivers |
| TC7129IPL713 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:4-1/2 Digit Analog-to-Digital Converters with On-Chip LCD Drivers |
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