Datasheet 搜索 > AD转换器 > Maxim Integrated（美信） > ICL7107CQH+D 数据手册 > ICL7107CQH+D 数据手册 1/14 页
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ICL7107CQH+D 数据手册 - Maxim Integrated（美信）
制造商:
Maxim Integrated（美信）
分类:
AD转换器
封装:
PLCC-44
描述:
MAXIM INTEGRATED PRODUCTS ICL7107CQH+D 模数转换器, LED显示屏, 3 SPS, 单, 0 V, 5 V, PLCC
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ICL7107CQH+D数据手册
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3
1
⁄2 Digit A/D Converters
ICL7106/ICL7107
General Description
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.
Applications
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
Pressure
Voltage
Resistance
Temperature
Conductance
Current
Speed
Material
Thickness
Typical Operating Circuit
Pin Configurations
Order Information
+Denotes a lead(Pb)-free/RoHS-compliant package.
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.
19-0948; Rev 1; 1/12
Pin Configurations continued at end of data sheet
PDIP
PART TEMP RANGE PIN-PACKAGE
ICL7106CPL+ 0°C to +70°C 40 PDIP
ICL7106CQH+ 0°C to +70°C 44 PLCC
ICL7107CPL+ 0°C to +70°C 40 PDIP
ICL7107CQH+ 0°C to +70°C 44 PLCC
ICL7106
ANALOG
INPUT
9V
V
REF
TO ANALOG
COMMON (P32)
FULL-SCALE INPUT
2.000V
200.0mV
V
REF
1.000V
100.0mV
LCD DISPLAY
AVAILABLE
Functional Diagrams
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximLQWHJUDWHG.com.
ICL7106/7107
+
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
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