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| 型号： | TC7126CKW |
| 厂商： | Microchip Technology |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC ADC 3 1/2DGT LCD DVR 44-MQFP |
| 标准包装： | 96 |
| 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： | 托盘 |
TC7126/A
3-1/2 Digit Analog-to-Digital Converters
Features:
? Internal Reference with Low Temperature Drift:
- TC7126: 80ppm/°C, Typical
- TC7126A: 35ppm/°C, Typical
? Zero Reading with Zero Input
? Low Noise: 15 μ V P-P
? High Resolution: 0.05%
? Low Input Leakage Current: 1pA Typ., 10pA Max.
? Precision Null Detectors with True Polarity at Zero
? High-Impedance Differential Input
? Convenient 9V Battery Operation with Low-Power
Dissipation: 500 μ W Typ., 900 μ W Max.
Applications:
? Thermometry
? Bridge Readouts: Strain Gauges, Load Cells,
Null Detectors
? Digital Meters and Panel Meters:
- Voltage/Current/Ohms/Power, pH
? Digital Scales, Process Monitors
General Description:
The TC7126A is a 3-1/2 digit CMOS Analog-to-Digital
Converter (ADC) containing all the active components
necessary to construct a 0.05% resolution measure-
ment system. Seven-segment decoders, digit and
polarity drivers, voltage reference, and clock circuit are
integrated on-chip. The TC7126A directly drives a
Liquid Crystal Display (LCD), and includes a backplane
driver.
A low-cost, high resolution indicating meter requires
only a display, four resistors, and four capacitors. The
TC7126A’s extremely low-power drain and 9V battery
operation make it ideal for portable applications.
The TC7126A reduces linearity error to less than 1
count. Rollover error (the difference in readings for
equal magnitude, but opposite polarity input signals) is
below ±1 count. High-impedance differential inputs
offer 1pA leakage current and a 10 12 Ω input imped-
ance. The 15 μ V P-P noise performance ensures a “rock
solid” reading, and the auto-zero cycle ensures a zero
display reading with a 0V input.
The TC7126A features a precision, low drift internal
voltage reference and is functionally identical to the
Device Selection Table
Package
Package
Code
Temperature
Range
TC7126. A low drift external reference is not normally
required with the TC7126A.
CPL
IPL
CKW
CLW
40-Pin PDIP
40-Pin PDIP (TC7126 Only)
44-Pin PQFP
44-Pin PLCC
0 ° C to +70 ° C
-25 ° C to +85 ° C
0 ° C to +70 ° C
0 ° C to +70 ° C
? 2006 Microchip Technology Inc.
DS21458C-page 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC7126CKW713 | 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 |
| 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 |
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