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参数资料
| 型号： | TC7129CKW |
| 厂商： | Microchip Technology Inc. |
| 元件分类： | 显示驱动器 |
| 英文描述： | 4-1/2 Digit Analog-to-Digital Converters with On-Chip LCD Drivers |
| 中文描述： | 4-1/2数字模拟到数字转换器与片上LCD驱动器 |
| 文件页数： | 9/15页 |
| 文件大小： | 214K |
| 代理商： | TC7129CKW |
3-239
TELCOM SEMICONDUCTOR, INC.
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Figure 5. External Logic Referenced Directly to DGND
Figure 6. External Logic Referenced to DGND With Buffer
Temperature Compensation
For most applications, V
DISP
(pin 19) can be connected
directly to DGND (pin 36). For applications with a wide
temperature range, some LCDs require that the drive levels
vary with temperature to maintain good viewing angle and
display contrast. Figure 7 shows two circuits that can be
adjusted to give temperature compensation of about 10
mV/
°
C between V
+
(pin 24) and V
DISP
. The diode between
DGND and V
DISP
should have a low turn-ON voltage be-
cause V
DISP
cannot exceed 0.3V below DGND.
EXTERNAL
LOGIC
DGND
V+
36
24
23
ILOGIC
TC7129
V–
–
+
EXTERNAL
LOGIC
ILOGIC
DGND
23
24
V+
36
TC7129
V–
TC7129
+
–
1N4148
5 k
75 k
200 k
39 k
19
36
24
23
V–
V+
VDISP
DGND
TC7129
2N2222
39 k
19
36
24
23
V–
V+
VDISP
DGND
20 k
18 k
Figure 7. Temperature Compensating Circuits
TC7129
4-1/2 DIGIT ANALOG-TO-DIGITAL
CONVERTER WITH ON-CHIP LCD DRIVERS
相关PDF资料 |
PDF描述 |
|---|---|
| TC7129CLW | 4-1/2 Digit Analog-to-Digital Converters with On-Chip LCD Drivers |
| TC7129CPL | 4-1/2 Digit Analog-to-Digital Converters with On-Chip LCD Drivers |
| TC7129 | 4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER WITH ON-CHIP LCD DRIVERS |
| TC7129CLW | 4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER WITH ON-CHIP LCD DRIVERS |
| TC7129CPL | 4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER WITH ON-CHIP LCD DRIVERS |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TC7129CKW713 | 功能描述:LCD 驱动器 w/LCD Driver 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 |
| TC7129CLW | 功能描述:LCD 驱动器 w/LCD Driver 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 |
| TC7129CLW713 | 功能描述:LCD 驱动器 w/LCD Driver 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 |
| TC7129CPL | 功能描述:LCD 驱动器 w/LCD Driver 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 |
| 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 |
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