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ICL7107CQH+TD 参数 Datasheet PDF下载

ICL7107CQH+TD图片预览
型号: ICL7107CQH+TD
PDF下载: 下载PDF文件 查看货源
内容描述: [ADC, Dual-Slope, 1 Func, 1 Channel, CMOS, PQCC44, ROHS COMPLIANT, PLASTIC, LCC-44]
分类和应用: 转换器
文件页数/大小: 14 页 / 2894 K
品牌: MAXIM [ MAXIM INTEGRATED PRODUCTS ]
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ICL7106/7107
L
AVAILAB
E
ICL7106/ICL7107
3
1
2
Digit A/D Converters
General Description
Features
S
Improved 2nd Source (see Page 3 for “Maxim
Advantage”)
S
Guaranteed First Reading Recovery from
Overrange
S
On-Board Display Drive Capability—No External
Circuitry Required
LCD—ICL7106
LED—ICL7107
S
High-Impedance CMOS Differential Inputs
S
Low Noise (< 15µV
P-P
) without Hysteresis or
Overrange Hangover
S
Clock and Reference On-Chip
S
True Differential Reference and Input
S
True Polarity Indication for Precision Null
Applications
S
Monolithic CMOS Design
The Maxim ICL7106/ICL7107 are monolithic analog-to-
digital converters (ADCs). They have very high input
impedances and require no external display drive cir-
cuitry. On-board active components include polarity and
digit drivers, segment decoders, voltage reference and
a clock circuit. The ICL7106 will directly drive a nonmulti-
plexed liquid crystal display (LCD), whereas the ICL7107
will directly drive a common anode light emitting diode
(LED) display.
Versatility and accuracy are inherent features of these
converters. The dual-slope conversion technique auto-
matically rejects interference signals common in industri-
al environments. The true differential input and reference
are particularly useful when making ratiometric measure-
ments (ohms or bridge transducers). Maxim has added
a zero-integrator phase to the ICL7106 and ICL7107,
eliminating overrange hangover and hysteresis effects.
Finally, these devices offer high accuracy by lowering
rollover error to less than one count and zero reading
drift to less than 1FV/NC.
These devices are used in a wide range of digital panel
meter applications. Most applications, however, involve
the measurement and display of analog data.
Order Information
PART
ICL7106CPL+
ICL7106CQH+
ICL7107CPL+
ICL7107CQH+
TEMP RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
40 PDIP
44 PLCC
40 PDIP
44 PLCC
Pressure
Voltage
Resistance
Applications
Functional
Speed
Diagrams
Temperature
Conductance
Current
Material
Thickness
+Denotes
a lead(Pb)-free/RoHS-compliant package.
Pin Configurations
+
Typical Operating Circuit
LCD DISPLAY
ANALOG
INPUT
ICL7106
9V
V
REF
PDIP
Pin
2.000V
Configurations appear at end of data sheet.
COMMON (P32)
1.000V
100.0mV
200.0mV
Functional Diagrams continued at end of data sheet.
Pin Configurations continued at end of data sheet
UCSP is a trademark of Maxim Integrated Products, Inc.
The "Maxim Advantage" signifies an upgraded quality level. At no additional cost we offer a second-source device that is subject to
the following: guaranteed performance over temperature along with tighter test specifications on many key parameters; and device
enhancement, when needed, that result in improved performance without changing the functionality.
FULL-SCALE INPUT V
REF
TO ANALOG
For pricing, delivery, and ordering information, please contact Maxim Direct
For pricing, delivery, and
Maxim’s website at www.maxim
at 1-888-629-4642, or visit
ordering information, please contact Maxim Direct
.com.
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-0948; Rev 1; 1/12