参数资料
| 型号： | TC835CBU |
| 厂商： | Microchip Technology |
| 文件页数： | 11/26页 |
| 文件大小： | 0K |
| 描述： | IC ADC 4 1/2DGT BCD 64-MQFP |
| 标准包装： | 84 |
| 显示器类型： | LED |
| 配置： | 7 段显示 |
| 接口： | BCD |
| 数字或字符： | A/D，4.5 位数字 |
| 电流 - 电源： | 1mA |
| 电源电压： | 4 V ~ 6 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-BQFP |
| 供应商设备封装： | 64-PQFP（14x14） |
| 包装： | 管件 |
TC835
5.4
OVERRANGE Output
5.7
Digit Drive Outputs
If the input signal causes the reference voltage integra-
tion time to exceed 20,000 clock pulses, the
OVERRANGE output is set to a logic " 1 ." The
overrange output register is set when BUSY goes low,
and is reset at the beginning of the next reference
integration phase.
Digit drive signals are positive going signals. The scan
sequence is D 5 to D 1 . All positive pulses are 200 clock
pulses wide, except D 5 , which is 201 clock pulses wide.
All five digits are scanned continuously, unless an over-
range condition occurs. In an overrange condition, all
digit drives are held low from the final STROBE pulse
5.5
UNDERRANGE Output
until the beginning of the next reference integrate
phase. The scanning sequence is then repeated. This
If the output count is 9% of full scale or less (-1800
provides a blinking visual display indication.
counts), the underrange register bit is set at the end of
BUSY. The bit is set low at the next signal integration
5.8
BCD Data Outputs
phase.
The binary coded decimal (BCD) bits B 8 , B 4 , B 2 , B 1 are
5.6
POLARITY Output
positive-true logic signals. The data bits become active
simultaneously with the digit drive signals. In an
A positive input is registered by a logic " 1 " polarity
signal. The POLARITY bit is valid at the beginning of
Reference Integrate and remains valid until determined
during the next conversion.
The POLARITY bit is valid even for a zero reading.
Signals less than the converter's LSB will have the
signal polarity determined correctly. This is useful in
null applications.
? 2007 Microchip Technology Inc.
overrange condition, all data bits are at a logic " 0 " state.
DS21478C-page 11
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| TC835CBU713 | 功能描述:LED显示驱动器 4.5 D BCD A/D-PC Dat RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| TC835CKW | 功能描述:LED显示驱动器 4.5 D BCD A/D-PC Dat RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| TC835CKW713 | 功能描述:LED显示驱动器 4.5 D BCD A/D-PC Dat RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
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