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ICL7136CPLHARN/a99avaiLow Power/ 3 Digit A/D Converter


ICL7136CPL ,Low Power/ 3 Digit A/D ConverterGeneral Description The Maxim ICL7136 is a monolithic analog to digital con- verter with very h ..
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IDT72205LB15PF , CMOS SyncFIFOO 256 x 18, 512 x 18, 1024 x 18, 2048 x 18 and 4096 x 18
IDT72205LB15PF , CMOS SyncFIFOO 256 x 18, 512 x 18, 1024 x 18, 2048 x 18 and 4096 x 18
IDT72205LB15TF , CMOS SyncFIFOO 256 x 18, 512 x 18, 1024 x 18, 2048 x 18 and 4096 x 18
IDT72205LB20PF , CMOS SyncFIFOO 256 x 18, 512 x 18, 1024 x 18, 2048 x 18 and 4096 x 18
IDT72205LB25PF , CMOS SyncFIFOO 256 x 18, 512 x 18, 1024 x 18, 2048 x 18 and 4096 x 18
IDT72210L15TP , CMOS SyncFIFOO 64 x 8, 256 x 8, 512 x 8, 1024 x 8, 2048 x 8 and 4096 x 8


ICL7136CPL
Low Power/ 3 Digit A/D Converter
l 9-095 l; Rev 2; 9/96
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Low Poser, S% [Digit AMO) Gon tretrtarir
General Description
The Maxim ICL7136 is a monolithic analog to digital con-
verter with very high input impedance. On-board active
components include segment drivers, segment decod-
ers, voltage reference and a clock circuit. The ICL7136
directly drives a hon-multiplexed liquid crystal (LCD) dis-
play, requiring no external display drive circuitry. Signiti-
cantly reduced power Consumption makes the ICL7136 a
superior device, especially for portable systems.
Versatility and accuracy are inherent features of this con-
verter. The dual-slope conversion technique automatical-
ly rejects interference signals common in industrial envi-
ronments. The true differential input and reference are
particularly useful when making ratiometric measure-
ments (ohms or bridge transducers). and the zero-inte-
grator phase in Maxim's ICL7136 eliminates overrange
hangover and hysteresis effects. Finally, this device of-
fers high accuracy by lowering rollover error to less than
one count and zero reading drift to less than 1 pNPt1,
Applications
These devices can be used in a wide range of digital
panel meter applications. Most applications, however, in-
voIve the measurement and display of analog data:
Pressure Conductance
Voltage Current
Resistance Speed
Temperature Material Thickness
_ Pin Configurations
Top View
v‘ OSCI
Dt OSC 2
Ct OSC 3
IS 31 TEST
'rl t'trr n;
at te,
St MAXIM C-RE
02 ICL7136 eoHMON
fit 'ld ll
10'S A2 tg
la): g TENS)
100's " m (:3(_I
" " 100's
1000-5434 m as
POL m BP
(umus sum) DIP
Pin Configurations continued on last page.
Features
. Improved Second Source.' (see 3rd page for
"Maxim Advantage'"").
' Power Dissipation Guaranteed Less than 1mW
9V Battery Life 3000 Hours Typical
. Guaranteed First Reading Recovery from
Overrange
. Zero Input Gives Zero Reading
. Drives LCD Displays Directly
. Low Noise (1 Spr-p) Without Hysteresis or
Overrange Hangover
t True Differential Reference and Input
' Monolithic, Low-Power CMOS Design
Ordering Information
PART TEMP. RANGE PIN-PACKAGE
ICL7136CPL ty'C to +70°C 40 Plastic DIP
ICL7136CJL 0°C to +70°C 40 CERDIP
ICL7136CMH 0°C to +70°C 44 MQFP
|CL7136CQH 0°C to +70°C 44 PLCC
lCL7138C/D 0°C to +70°C Dice
typical Operating Glrcult
DISPLAY
s,t,u,2 it), -tL'lL'IL'I
lLlLJLJ
18t"Mt
" _ ' TO ANALOG
. AA AAA
vv comm ('32)
FULL SCALE VREF
2.000 V 1.000 V
2001) HIV 1000 mV
(Detailed Circuit Diagram-Figures 1 a 2)
99b! '79]
The "Maxim Advantage""signilies an upgraded quality level. At no additional cost we offer a ttettttnd-styurtttt device that is subject to the
following: guaranteed performance over temperature along with tighter test specifications on many key parameters; and device
enhancements, when needed. that result in improved performance without changing the functionality.
MAXI/VI Maxim Integrated Products 1
& the latest literature: http://, .
For small orders, phone 1-800-835-8769.
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ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V+ to V-) Wm.....................................'....''..'.'...'''. 15V 40 Lead CERDIP (derate 20.00mW/°C above +70°C) ....... 1100mW
gig Al
Analog input Voltage (either input)(Note 1) . ...V+ to V- 44 Lead PLCC (derate 13.33mW/"C above +70°C) ............... 733mW
Reference Input Voltage (either input) wtr..r.wr.m.._.._rrm_r...r.wrrr. V+ to V- 44 Lead MQFP (derate 9.09mWPC above +70°C).. ....... SOOmW
Clock Input ..................................................................... TEST to V+ Operating Temperature Range . _.ooc to +70°C
Power Dissipation (TA = +70°C)(Note 2) Storage Temperature Range .......... .. 5°C to +160°C
40 Lead Plastic DIP (derate 11.11mWf'C above +70°C) ....... 611mW Lead Temperature (soldering, GOsec) ................................. +300°C
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Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
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ic,good price


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