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參數資料
| 型號： | TC7107CKW |
| 元件分類： | ADC |
| 英文描述： | 1-CH DUAL-SLOPE ADC, PQFP44 |
| 封裝： | PLASTIC, QFP-44 |
| 文件頁數： | 1/26頁 |
| 文件大小： | 623K |
| 代理商： | TC7107CKW |
2002 Microchip Technology Inc.
DS21455B-page 1
TC7106/A/TC7107/A
Features
Internal Reference with Low Temperature Drift
- TC7106/7: 80ppm/°C Typical
- TC7106A/7A: 20ppm/°C Typical
Drives LCD (TC7106) or LED (TC7107)
Display Directly
Zero Reading with Zero Input
Low Noise for Stable Display
Auto-Zero Cycle Eliminates Need for Zero
Adjustment
True Polarity Indication for Precision Null
Applications
Convenient 9V Battery Operation (TC7106A)
High Impedance CMOS Differential Inputs: 1012
Differential Reference Inputs Simplify Ratiometric
Measurements
Low Power Operation: 10mW
Applications
Thermometry
Bridge Readouts: Strain Gauges, Load Cells, Null
Detectors
Digital Meters: Voltage/Current/Ohms/Power, pH
Digital Scales, Process Monitors
Portable Instrumentation
Device Selection Table
General Description
The TC7106A and TC7107A 3-1/2 digit direct display
drive analog-to-digital converters allow existing 7106/
7107 based systems to be upgraded. Each device has
a precision reference with a 20ppm/°C max tempera-
ture coefficient. This represents a 4 to 7 times improve-
ment over similar 3-1/2 digit converters. Existing 7106
and 7107 based systems may be upgraded without
changing external passive component values. The
TC7107A drives common anode light emitting diode
(LED) displays directly with 8mA per segment. A low
cost, high resolution indicating meter requires only a
display,
four
resistors,
and
four
capacitors.The
TC7106A low power drain and 9V battery operation
make it suitable for portable applications.
The TC7106A/TC7107A 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 1012
input imped-
ance. The differential reference input allows ratiometric
measurements for ohms or bridge transducer mea-
surements. The 15
VP–P noise performance ensures a
“rock solid” reading. The auto-zero cycle ensures a
zero display reading with a zero volts input.
Package
Code
Package
Pin Layout
Temperature
Range
CPI
40-Pin PDIP
Normal
0
°Cto +70°C
IPL
40-Pin PDIP
Normal
-25
°Cto +85°C
IJL
40-Pin CERDIP
Normal
-25
°Cto +85°C
CKW
44-Pin PQFP
Formed Leads
0
°Cto +70°C
CLW
44-Pin PLCC
—
0
°Cto +70°C
3-1/2 Digit Analog-to-Digital Converters
相關PDF資料 |
PDF描述 |
|---|---|
| TC7107CLW | 1-CH DUAL-SLOPE ADC, PQCC44 |
| TC7107IJL | 1-CH DUAL-SLOPE ADC, CDIP40 |
| TC7106ACLW | 1-CH DUAL-SLOPE ADC, PQCC44 |
| TC7106AIJL | 1-CH DUAL-SLOPE ADC, CDIP40 |
| TC7107ACKWG | 1-CH DUAL-SLOPE ADC, PQFP44 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TC7107CKW713 | 功能描述:LED顯示驅動器 w/LED Driver RoHS:否 制造商:Micrel 數位數量:5 片段數量: 安裝風格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| TC7107CLW | 功能描述:LED顯示驅動器 w/LED Driver RoHS:否 制造商:Micrel 數位數量:5 片段數量: 安裝風格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| TC7107CLW713 | 功能描述:LED顯示驅動器 w/LED Driver RoHS:否 制造商:Micrel 數位數量:5 片段數量: 安裝風格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| TC7107CPL | 功能描述:LED顯示驅動器 w/LED Driver RoHS:否 制造商:Micrel 數位數量:5 片段數量: 安裝風格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| TC7107CPL | 制造商:Microchip Technology Inc 功能描述:Leaded Process Compatible:No |
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