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| 型号： | TC7106CPL |
| 厂商： | Microchip Technology |
| 文件页数： | 12/34页 |
| 文件大小： | 0K |
| 描述： | IC ADC 3 1/2DGT LCD DVR 40-DIP |
| 标准包装： | 10 |
| 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： | 800µA |
| 电源电压： | 9V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 40-DIP（0.600"，15.24mm） |
| 供应商设备封装： | 40-PDIP |
| 包装： | 管件 |
| 产品目录页面： | 673 (CN2011-ZH PDF) |
| 其它名称： | 158-1127 158-1127-ND |
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TC7106/A/TC7107/A
6.0
DIGITAL SECTION (TC7107A)
6.2
Clock Circuit
Three clocking methods may be used (see Figure 6-1 ):
designed to drive common anode LEDs. It is identical
to the TC7106A, except that the regulated supply and
backplane drive have been eliminated and the segment
drive is typically 8 mA. The 1000’s output (Pin 19) sinks
current from two LED segments, and has a 16 mA drive
capability.
In both devices, the polarity indication is “ON” for
1.
2.
3.
An external oscillator connected to Pin 40.
A crystal between Pins 39 and 40.
An RC oscillator using all three pins.
TC7106A
TC7107A
negative analog inputs. If V IN - and V IN + are reversed,
this indication can be reversed also, if desired.
The display font is the same as the TC7106A.
μ 4
To
Counter
40
3 9
38
6.1
System Timing
Crystal
The oscillator frequency is divided by 4 prior to clocking
the internal decade counters. The four-phase
measurement cycle takes a total of 4000 counts, or
16,000 clock pulses. The 4000-count cycle is indepen-
EXT
OSC
RC Network
To TEST Pin on TSC7106A
To GND Pin on TSC7107A
T SI = ------------- × 1000
dent of input signal magnitude.
Each phase of the measurement cycle has the
following length:
1.
Auto-zero phase: 1000 to 3000 counts (4000 to
12000 clock pulses).
For signals less than full scale, the auto-zero phase is
assigned the unused reference integrate time period:
2.
Signal integrate: 1000 counts (4000 clock
pulses).
This time period is fixed. The integration period is:
EQUATION 6-1:
4
F OSC
Where:
FIGURE 6-1:
Clock Circuits.
F OSC
=
Externally set clock frequency
3.
Reference Integrate: 0 to 2000 counts (0 to 8000
clock pulses).
The TC7106A/TC7107A are drop-in replacements for
the TC7106/TC7107 parts. External component value
changes are not required to benefit from the low drift
internal reference.
DS21455D-page 12
? 2008 Microchip Technology Inc.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC7106CPL | 制造商:Microchip Technology Inc 功能描述:ADC 3-1/2 DIGIT LCD DRIVER 40DIP 制造商:Microchip Technology Inc 功能描述:ADC, 3-1/2 DIGIT, LCD DRIVER, 40DIP 制造商:Microchip Technology Inc 功能描述:ADC, 3-1/2 DIGIT, LCD DRIVER, 40DIP; Resolution (Bits):3.5bit; Supply Current:800A; Digital IC Case Style:DIP; No. of Pins:40; Input Channel Type:Differential; Data Interface:Parallel; Operating Temperature Min:0C; Operating ;RoHS Compliant: Yes |
| TC7106IJL | 功能描述:LCD 驱动器 3-1/2 Digit A/D 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 |
| TC7106IKW | 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 |
| TC7106IPL | 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 |
| TC7106RCPL | 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 |
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